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TK115xx
VOLTAGE REGULATOR WITH ON/OFF SWITCH FEATURES
s s s s s s s s Low Dropout Voltage Pass Transistor Terminals Available Very Low Standby Current ( ON, No Load) Very Low (<200 nA) Current in OFF Mode Low Output Noise Internal Thermal Shutdown Short Circuit Protection Available on Tape and Reel
APPLICATIONS
s s s s s s s s s Cordless Telephones Pagers Battery Powered Systems Personal Communications Equipment Portable Instrumentation Radio Control Systems Toys Low Voltage Systems Portable Consumer Equipment
DESCRIPTION
The TK115xx series devices are low power, linear regulators with electronic ON/OFF switches. Both active HIGH and active LOW control pins are provided. An internal PNP pass-transistor is used in order to achieve low dropout voltage (typically 200 mV at 80 mA load current). A base drive is available at pin 7 for connection of an external pass transistor should higher current (up to 1 A) or lower dropout voltage is required. An internal thermal shutdown circuit limits the junction temperature to below 150 C. The load current is internally monitored, and the device will shut down in the presence of a short circuit at the output. The TK115xx series is available in plastic surface mount SOP-8 packages. TK115xxM
VIN 1 8 7 6 5 VO BASE GND VADJ
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ......................................................... 16 V Load Current ....................................................... 180 mA Power Dissipation (Note 1) ................................ 600 mW Storage Temperature Range ................... -55 to +150 C Operating Temperature Range .................. -30 to +80 C Lead Soldering Temp. (10 sec.) ........................... 260 C Junction Temperature .......................................... 150 C
Note 1: Derate output power by 4.8 mW/C for operation above 25 C.
V IN 1
S
X 5XA21
HIGH CONTROL 2 LOW CONTROL 3 NC 4
KT115xxM * PO
BLOCK DIAGRAM
S S S
ORDERING INFORMATION TK115
Voltage Code
HIGH CONTROL 2 (HC)
8 7
VO BASE
THERMAL PROTECTION
S
S
M
Tape/Reel Code
S
S
- +
S
+
S
5 VADJ
S S
S
VOLTAGE CODE
30 = 3.0 V 32 = 3.25 V 35 = 3.5 V 37 = 3.75 V 40 = 4.0 V 45 = 4.5 V 47 = 4.75 V 50 = 5.0 V 55 = 5.5 V 80 = 8.0 V
TAPE/REEL CODE
BX : Bulk/Bag TL : Tape Left MG: Magazine
LOW CONTROL 3 (LC)
S
TK115xx
REFERENCE VOLTAGE
S
February, 1995 TOKO, Inc.
10-15-94
-
S
6
GND
KT115xx * BD01
Page 1
TK115xx
TEST CIRCUIT 1
S S
VIN ON/OFF
1 2
8
VO
S S
VIN A
+
0.1 m F
3 NC 4 ON/OFF
S S
7 BASE GND 6 5V ADJ
+
10mF IOUT V
V OUT
VIN
+ _
S
S
S
TK11530 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 4.0 V, |O = 0 mA VIN = 2.5 V, |O = 0 mA
KT115xx * TC01
MIN
TYP 500 1.4 0.2
MAX 900 2.5 2.0 3.1 0.35
UNITS A mA A V V mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 4V9 V IO = 0 to 30 mA, VIN = 4.0 V (Note 1) IO = 0 to 60 mA, VIN = 4.0 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 4.5 V, IO = 10 mA VIN = 4.5 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 4.0 V 6 VIN = 4.0 V, |O = 30 mA |O = 60 mA VO = 2.7 V 100 2.9
3.0 0.13 130
100 5.0 18 36 55 0.3 180 14 35 30 50 80
mA mV mV mV dB mV/C Vrms mA
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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February, 1995 TOKO, Inc.
TK115xx
TK11532 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 4.2 V, |O = 0 mA VIN = 2.5 V, |O = 0 mA MIN TYP 500 1.4 0.2 3.15 3.25 0.13 100 130 100 VIN = 4.2 V 9.2 V IO = 0 to 30 mA, VIN = 4.2 V (Note 1) IO = 0 to 60 mA, VIN = 4.2 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 4.7 V, IO = 10 mA VIN = 4.7 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 4.2 V 6 6.0 20 40 55 0.3 180 14 35 30 50 80 MAX 900 2.5 2.0 3.35 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 4.2 V, |O = 30 mA |O = 60 mA V O = 2.95 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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TK115xx
TK11535 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR VO/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS V IN = 4.5 V, |O = 0 mA V IN = 2.5 V, |O = 0 mA MIN TYP 500 1.4 0.2 3.38 3.5 0.13 100 130 100 V IN = 4.5 V 9.5 V IO = 0 to 30 mA, VIN = 4.5 V (Note 1) IO = 0 to 60 mA, VIN = 4.5 V (Note 1) 100 mVrms, f = 400 Hz, V IN = 5.0 V, IO = 10 mA V IN = 5.0 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA V IN = 4.5 V 6 6.0 20 40 55 0.3 180 14 35 30 55 95 MAX 900 2.5 2.0 3.62 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current V IN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current V IN = 4.5 V, |O = 30 mA |O = 60 mA V O = 3.2 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 VIN-0.2 35 120 VIN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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February, 1995 TOKO, Inc.
TK115xx
TK11537 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR VO/T A VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 4.75 V, |O = 0 mA VIN = 3.3 V, |O = 0 mA MIN TYP 500 1.4 0.2 3.625 3.75 0.13 100 130 100 VIN = 4.75 V 9.75 V IO = 0 to 30 mA, VIN = 4.75 V (Note 1) IO = 0 to 60 mA, VIN = 4.75 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 5.25 V, I O = 10 mA VIN = 5.25 V, I O = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 4.75 V 6 6.0 20 40 55 0.3 180 14 35 30 55 95 MAX 900 2.5 2.0 3.88 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 4.75 V, |O = 30 mA |O = 60 mA VO = 3.45 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 VIN-0.2 35 120 VIN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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TK115xx
TK11540 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 5.0 V, |O = 0 mA VIN = 3.0 V, |O = 0 mA MIN TYP 500 1.4 0.2 3.88 4.0 0.13 100 130 100 VIN = 5.0 V 10.0 V IO = 0 to 30 mA, VIN = 5.0 V (Note 1) IO = 0 to 60 mA, VIN = 5.0 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 5.5 V, IO = 10 mA VIN = 5.5 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 5.0 V 6 8.0 24 48 55 0.4 180 14 35 40 60 100 MAX 900 2.5 2.0 4.12 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 5.0 V, |O = 30 mA |O = 60 mA VO = 3.7 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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TK115xx
TK11545 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 5.5 V, |O = 0 mA VIN = 3.5 V, |O = 0 mA MIN TYP 500 1.4 0.2 4.36 4.5 0.13 100 130 100 VIN = 5.5 V 10.5 V IO = 0 to 30 mA, VIN = 5.5 V (Note 1) IO = 0 to 60 mA, VIN = 5.5 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 6.0 V, IO = 10 mA VIN = 6.0 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 5.5 V 6 8.0 25 55 55 0.5 180 14 35 40 65 110 MAX 900 2.5 2.0 4.64 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 5.5 V, |O = 30 mA |O = 60 mA VO = 4.2 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
February, 1995 TOKO, Inc.
10-15-94
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TK115xx
TK11547 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 5.7 V, |O = 0 mA VIN = 3.7 V, |O = 0 mA MIN TYP 500 1.4 0.2 4.6 4.75 0.13 100 130 100 VIN = 5.7 V 10.7 V IO = 0 to 30 mA, VIN = 5.7 V (Note 1) IO = 0 to 60 mA, VIN = 5.7 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 6.2 V, IO = 10 mA VIN = 6.2 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 5.7 V 6 8.0 25 50 55 0.6 180 14 35 40 70 120 MAX 900 2.5 2.0 4.9 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 5.7 V, |O = 30 mA |O = 60 mA VO = 4.45 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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TK115xx
TK11550 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 6.0 V, |O = 0 mA VIN = 4.0 V, |O = 0 mA VIN = 6.0 V, |O = 30 mA, TA = 25 C |O = 60 mA VO = 4.7 V 100 MIN TYP 500 1.4 0.2 4.85 5.0 0.13 130 100 VIN = 6.0 V 11 V IO = 0 to 30 mA, VIN = 6.0 V (Note 1) IO = 0 to 60 mA, VIN = 6.0 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 6.5 V, IO = 10 mA VIN = 6.5 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 6.0 V 6 8.0 25 50 55 0.6 180 14 35 40 70 120 MAX 900 2.5 2.0 5.15 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
February, 1995 TOKO, Inc.
10-15-94
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TK115xx
TK11555 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 6.5 V, |O = 0 mA VIN = 4.5 V, |O = 0 mA MIN TYP 500 1.4 0.2 5.225 5.5 0.13 100 130 100 VIN = 6.5 V 11.5 V IO = 0 to 30 mA, VIN = 6.5 V (Note 1) IO = 0 to 60 mA, VIN = 6.5 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 7.0 V, IO = 10 mA VIN = 7.0 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 6.5 V 6 8.0 25 50 55 0.6 180 14 35 40 70 120 MAX 900 2.5 2.0 5.665 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 6.5 V, |O = 30 mA |O = 60 mA VO = 5.2 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
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TK115xx
TK11580 ELECTRICAL CHARACTERISTICS
SYMBOL ICC1 ICC2 ICCS VO VDROP IO IOR LinReg LoaReg RR V O/TA VNO IB PARAMETER Supply Current 1 Supply Current 2 TEST CONDITIONS VIN = 9.0 V, |O = 0 mA VIN = 7.0 V, |O = 0 mA MIN TYP 500 1.4 0.2 7.76 8.0 0.13 100 130 100 VIN = 9.0 V 14.0 V IO = 0 to 30 mA, VIN = 9.0 V (Note 1) IO = 0 to 60 mA, VIN = 9.0 V (Note 1) 100 mVrms, f = 400 Hz, VIN = 9.5 V, IO = 10 mA VIN = 9.5 V, IO = 10 mA, -20 C TA 75 C 10 Hz f 100 kHz, IO = 10 mA VIN = 9.0 V 6 16.0 35 70 55 1.0 180 14 35 40 110 200 MAX 900 2.5 2.0 8.24 0.35 UNITS A mA A V V mA mA mV mV mV dB mV/C Vrms mA
Standby Supply Current VIN = 14 V, Output Off Output Voltage Voltage Dropout Output Current Recommended Output Current Line Regulation Load Regulation Ripple Regulation VO Temperature Coefficient Output Noise Voltage Base Terminal Current VIN = 9.0 V, |O = 30 mA |O = 60 mA VO = 7.7 V
Active High Control Terminal IHC VHC1 VHC2 HC Terminal Current HC Terminal Voltage 1 HC Terminal Voltage 2 Output On, Connect LC & GND Output On, Connect LC & GND Output Off, Connect LC & GND 2.4 0 2 40 VIN 0.6 A V V
Active Low Control Terminal ILC VLC1 VLC2 LC Terminal Current LC Terminal Voltage 1 LC Terminal Voltage 2 Output On, Connect HC & GND Output On, Connect HC & GND Output Off, Connect HC & GND 0 V IN-0.2 35 120 V IN-2.5 VIN A V V
Note 1: This is a pulse measurement where TJ is constant. The output change due to temperature is not included.
February, 1995 TOKO, Inc.
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TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS
COMMON CHARACTERISTICS
RIPPLE REJECTION vs FREQUENCY
0 VIN = V +1.5 V O
TA = 25 C unless otherwise specified
TEST CIRCUIT 2
IN 4.5V TK115xx
S
RIPPLE REJECTION (dB)
+
OUT 4.7 mF
I O = 5 mA -50 I O = 0 mA TEST CIRCUIT 2
S
KT115xx * TC02
RIPPLE REJECTION TEST CIRCUIT
-100 0.100 1 10 100 FREQUENCY (kHz) TK115xx * TPC74
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
VIN = V +1 V O
275 V
NOISE LEVEL vs FEEDBACK CAPACITOR
I O = 60 mA LOW PASS FIL = 100 kHz
100 mV/DIV
50 mV/DIV
VO
200 V TK11580
VO
V NOISE
100 V
TEST CIRCUIT 3
1 V/DIV
VIN
50 mA/DIV
TK11520
VIN (OM) = V +1 V O 5 s/DIV
TK115xx * TPC71
IO
5 s/DIV
TK115xx * TPC72
0 1 pF
10 pF
100 pF 1000 pF .01 F CF B
0.1 F
TK115xx * TPC97
TURN ON TRANSIENT RESPONSE
5
CONTROL PIN CHARACTERISTICS
+100 VO
TEST CIRCUIT 3
V IN 1 2 8 7 6 5 CFB
S S
5
IO = 10 mA
4
ION/0FF
IO = 100 mA
VO 4.7mF IO
+
VO (t) (V)
VO (V)
3
IS=Vcont,HC
0
3 4
0
IS=Vcont2,LC
VSW VSW = V - V ON/OFF IN
0 1
V (t) SW
ION/0FF
2
t (50 s/DIV)
TK115xx TPC73
0
1
2
3
4
-100 5
NOISE LEVEL TEST CIRCUIT
V ON/OFF; -V ON/OFF
TK115xx * TPC75
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TK115xx
COMMON CHARACTERISTICS WITH EXTERNAL CURRENT BOOST TRANSISTOR (NEC 2SA733 OR TOSHIBA 2SA1244)
TA = 25 C unless otherwise specified
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = V + 1 V O
DROPOUT VOLTAGE vs LOAD CURRENT
VO+ 0.2 V
0.2
VDROP (V)
VO (V)
2SA1244 VO 2SA733
A733
0.1 A1244
VO - 0.2 V
0
0 50 I O (mA) 100
TK115xx * TPC77
0
50
100
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
QUIESCENT CURRENT vs LOAD CURRENT
5 VIN = V + 1 V O
VO+ 0.2 V
4
VO (V)
I Q (mA)
A1244
O
3
NO EXT. BOOST
VO
A733
2 A733 1
VO - 0.2 V 0 10 VIN (V) 20
TK115xx * TPC79
A1244
0 0 50 I O (mA) 100
TK115xx * TPC80
SHORT CIRCUIT PROTECTION
VIN = V + 1 V O VO
VO (V)
INPUT CURRENT vs INPUT VOLTAGE
4 A1244 IO = 0
A1244
I IN (V)
A733
2
A733
NO EXT. BOOST
0
100
200 300 IO (mA)
400
500
0 V IN (V)
TK115xx * TPC82
TK115xx * TPC81
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TK115xx
VOLTAGE ADJUSTMENT
VOUT VADJ GND 50 k
For large adjustment range use a 50 K potentiometer. This method gives good results when a voltage lower than the rated output is needed.
R1
For small changes in output voltage use R1 to increase the output voltage or R2 to decrese the output voltage. The graph at right shows the approximate resistance values. The initial output voltage is indicated on the graph. (3 V = TK11530 etc.)
0.5 M +100 mV
1M
2M
3M 4M
5 V, 8 V 4V 3V
R1 GND
VOUT VADJ
0
3V
VOUT VADJ R2 GND
4V
-100 mV 0.5 M
5V 1M
8V 2M 3M 4M
R2
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TK115xx
TA = 25 C unless otherwise specified
TK115xx INTERNAL PASS TRANSISTOR
20
TEST CIRCUIT 4
I B (mA)
TEST CIRCUIT 4 10
VIN 1 VB
S
8 VO 7 BASE
IB
TK115xx V B = V IN - V BASE
KT115xx * TC03
0 -1.6 -1.2 -0.8 VB 0 0.8 1.2
TK115xx * TPC83
INPUT OUTPUT CHARACTERISTICS (SWITCH ON)
5 TK11555 TK11550 TK11547 TK11545 TK11540 TK11535 TK11532 TK11530 TK11525 2 TK11520
4
VO (V)
3
1
0 0 5 VIN (V) 10
TK115xx * TPC76
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TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TEMPERATURE CHARACTERISTICS
TK11530 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V +1 V O 3.2 IO = 10 mA 3.4
TA = 25 C unless otherwise specified
TK11532 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V +1 V O IO = 10 mA
TK11535 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V +1 V O IO = 10 mA 3.7
VO (V)
VO (V)
VO (V)
3.0
3.2
3.5
2.8 -20 0 20 40 T A ( C) 60 80
3.0 -20 0 20 40 T A ( C) 60 80
3.3 -20 0 20 40 T A ( C) 60 80
TK115xx * TPC63
TK115xx * TPC64
TK115xx * TPC65
TK11537 OUTPUT VOLTAGE vs TEMPERATURE
V IN = VO +1 V 3.9 I O = 10 mA 4.2
TK11540 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V O +1 V IO = 10 mA
TK11545 OUTPUT VOLTAGE vs TEMPERATURE
V IN = 5.5 V 4.7 IO = 10 mA
VO (V)
3.7
4.0
VO (V)
-20 0 20 40 T A ( C) 60 80
VO (V)
4.5
3.5 -20 0 20 40 60 80
3.8
4.3 -20 0 20 40 T A ( C) 60 80
TA ( C)
TK115xx * TPC98
TK115xx * TPC66
TK115xx * TPC67
TK11547 OUTPUT VOLTAGE vs TEMPERATURE
V IN = V +1 V O 4.9 IO = 10 mA
TK11550 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V +1 V O 5.2 IO = 10 mA
5.7
TK11555 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V +1 V O IO = 10 mA
VO (V)
VO (V)
4.7
5.0
VO (V)
5.5
4.5 -20 0 20 40 T A ( C) 60 80
4.8 -20 0 20 40 T A ( C)
10-15-94
5.3
60
80
-20
0
TK115xx * TPC68
TK115xx * TPC69
20 40 T A ( C)
60
80
TK115xx * TPC70
Page 16
February, 1995 TOKO, Inc.
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TEMPERATURE CHARACTERISTICS (CONT.)
TK11580 OUTPUT VOLTAGE vs TEMPERATURE
VIN = V +1 V O IO = 10 mA
TA = 25 C unless otherwise specified
8.2
VO (V)
8.0
7.8 -20 0 20 40 T A (C) 60 80
TK115xx * TPC96
TK11530
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 4 V
DROPOUT VOLTAGE vs LOAD CURRENT
0.5 3.2 0.4
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
3.2
VDROP (V)
VO (V)
0.3
3.0
VO (V)
3.0
0.2
0.1
2.8
2.8 0
0 50 I O (mA) 100
TK115xx * TPC13
0
50 I O (mA)
100
TK115xx * TPC14
0
10 V IN (V)
20
TK115xx1 * TPC15
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 4 V
SHORT CIRCUIT PROTECTION
5
2
INPUT CURRENT vs INPUT VOLTAGE
VIN = 4 V
IO = 0
4
3
5
I IN (mA)
I Q (mA)
VO (V)
1
2
1
0 0 50 I O (mA) 100
TK115xx * TPC16
0 0 100 I O (mA)
10-15-94
0
200
TK115xx * TPC17
0
10 V IN (V)
20
TK115xx * TPC18
February, 1995 TOKO, Inc.
Page 17
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TK11532
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 4.2 V
0.5
TA = 25 C unless otherwise specified
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
3.4
3.4
0.4
VDROP (V)
VO (V)
0.3
VO (V)
3.2
3.2
0.2
0.1
3.0
0
3.0
0 50 I O (mA) 100
TK115xx * TPC19
0
50 I O (mA)
100
TK115xx * TPC20
0
10 V IN (V)
20
TK115xx * TPC21
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 4.2 V
SHORT CIRCUIT PROTECTION
5 VIN = 4.2 V
INPUT CURRENT vs INPUT VOLTAGE
2 IO= 0
4
I Q (mA)
3
5
I IN (mA)
0 100 I O (mA) 200
TK115xx * TPC23
VO (V)
1
2
1
0 0 50 I O (mA) 100
TK115xx * TPC22
0
0 0 10 V IN (V) 20
TK115xx * TPC24
TK11535
OUTPUT VOLTAGE vs OUTPUT CURRENT
3.7 VIN = 4.5 V
0.5
3.7 IO = 0
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
0.4
VO (V)
VO (V)
0 50 IO (mA) 100
TK115xx * TPC26
3.5
VDROP (V)
0.3
3.5
0.2
3.3
0.1
3.3
0
0
50 I O (mA)
100
TK115xx * TPC25
0
10 V IN (V)
20
TK115xx * TPC27
Page 18
10-15-94
February, 1995 TOKO, Inc.
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TK11535 (CONT.)
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 4.5 V 5
TA = 25 C unless otherwise specified
SHORT CIRCUIT PROTECTION
2
VIN = 4.5 V
INPUT CURRENT vs INPUT VOLTAGE
IO = 0
4
3
5
I IN (mA)
I Q (mA)
VO (V)
1
2
1 0 0 50 I O (mA) 100
TK115xx * TPC28
0 0 100 I O (mA) 200
TK115xx * TPC29
0 0 10 V IN (V) 20
TK115xx * TPC30
TK11537
OUTPUT VOLTAGE vs OUTPUT CURRENT
3.9 VIN = 4.5 V 0.5 3.9 0.4
VO (V)
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
VO (V) 0 50 I O(mA) 100
TK115xx * TPC85
3.7
VDROP (V)
0.3
3.7
0.2
3.5
0.1 3.5 0 0 50 I O (mA) 100
TK115xx * TPC84
0
10 V IN (V)
20
TK115xx * TPC86
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 4.5 V
5
SHORT CIRCUIT PROTECTION
VIN = 4.7 V
INPUT CURRENT vs INPUT VOLTAGE
2 IO = 0
4
I IN(mA) I Q(mA)
V O (V)
3
5
1
2
1
0 0 50 I O(mA) 100
TK115xx * TPC87
0 0 100 I O (mA) 200
TK115xx * TPC88
0 0 10 V IN (V) 20
TK115xx * TPC89
February, 1995 TOKO, Inc.
10-15-94
Page 19
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TK11540
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 5 V 0.5
4.2 IO = 0
TA = 25 C unless otherwise specified
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
4.2
0.4
VDROP (V)
0.3
4.0
VO (V)
0 50 I O (mA) 100
TK115xx * TPC32
VO (V)
4.0
0.2
0.1 3.8 0 0 50 I O (mA) 100
TK115xx * TPC31
3.8 0 10 V IN (V) 20
TK115xx * TPC33
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 5 V 5
SHORT CIRCUIT PROTECTION
2
VIN = 5 V
INPUT CURRENT vs INPUT VOLTAGE
IO = 0
4
I Q (mA)
3
I IN (mA)
VO (V)
5
1
2
1
0 0 50 I O (mA) 100
TK115xx * TPC34
0 0 100 I O (mA) 200
TK115xx * TPC35
0 0 10 V IN (V) 20
TK115xx * TPC36
TK11545
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 5.5 V
0.5 4.7 0.4
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
4.7
VDROP (V)
VO (V)
0.3
VO (V)
0 50 IO (mA) 100
TK115xx * TPC38
4.5
4.5
0.2
0.1
4.3
0
4.3
0
50 I O (mA)
100
TK115xx * TPC37
0
10 V IN (V)
20
TK115xx1 * TPC39
Page 20
10-15-94
February, 1995 TOKO, Inc.
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TK11545 (CONT.)
QUIESCENT CURRENT vs LOAD CURRENT
10
T A = 25 C unless otherwise specified
SHORT CIRCUIT PROTECTION
5
VIN = 5.5 V
INPUT CURRENT vs INPUT VOLTAGE
VIN = 5.5 V
2 IO = 0
4
3
I IN (mA)
I Q (mA)
VO (V)
5
1
2
1
0 0
0
50 I O (mA) 100
TK115xx * TPC40
0
0
TK11547
100 I O (mA)
200
TK115xx * TPC41
0
10 V IN (V)
20
TK115xx * TPC42
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 5.7 V
0.5
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
4.9
4.9
0.4
VDROP (V)
VO (V)
0.3
VO (V)
4.7
4.7
0.2
0.1
4.5
0
4.5
0
50 I O (mA)
100
TK115xx * TPC43
0
50 I O (mA)
100
TK115xx * TPC44
0
10 V IN (V)
20
TK115xx * TPC45
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 5.7 V
5
SHORT CIRCUIT PROTECTION
VIN = 5.7 V
INPUT CURRENT vs INPUT VOLTAGE
2 IO = 0
4
I Q (mA)
3
5
I IN (mA)
0 100 I O (mA) 200
TK115xx * TPC47
VO (V)
1
2
1
0 0 50 I O (mA) 100
TK115xx * TPC46
0 0 10 V IN (V) 20
TK115xx * TPC48
February, 1995 TOKO, Inc.
10-15-94
Page 21
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TK11550
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 6.5 V
0.5
TA = 25 C unless otherwise specified
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
5.2
5.2
0.4
VDROP (V)
VO (V)
5.0
VO (V)
0 50 I O (mA) 100
TK115xx * TPC50
0.3
5.0
0.2
0.1
4.8
0
4.8
0
50 I O (mA)
100
TK115xx * TPC49
0
10 V IN (V)
20
TK115xx1 * TPC51
QUIESCENT CURRENT vs LOAD CURRENT
10 6 VIN = 6.5 V 5
SHORT CIRCUIT PROTECTION
VIN = 6.5 V
INPUT CURRENT vs INPUT VOLTAGE
2 IO = 0
I Q (mA)
4
I IN (mA)
0 100 I O (mA) 200
TK115xx * TPC53
VO (V)
5
1
3
2
0 0 50 I O (mA) 100
TK115xx * TPC52
0 0 10 V IN (V) 20
TK115xx * TPC54
TK11555
OUTPUT VOLTAGE vs OUTPUT CURRENT
VIN = 6.5 V
0.5
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
5.7
5.7
0.4
VDROP (V)
VO (V)
0.3
5.5
VO (V)
0 50 IO (mA) 100
TK115xx * TPC56
5.5
0.2
0.1
5.3
0
5.3
0
50 I O (mA)
100
TK115xx * TPC55
0
10 V IN (V)
20
TK115xx * TPC57
Page 22
10-15-94
February, 1995 TOKO, Inc.
TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TK11555 (CONT.)
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 6.5 V 6
TA = 25 C unless otherwise specified
SHORT CIRCUIT PROTECTION
VIN = 6.5 V
INPUT CURRENT vs INPUT VOLTAGE
2 IO = 0
5
4
5
I IN (mA)
0 100 I O (mA) 200
TK115xx * TPC59
I Q (mA)
VO (V)
1
3
2 0 0
TK11580
50 I O (mA)
100
TK115xx * TPC58
0 0 10 V IN (V) 20
TK115xx * TPC60
OUTPUT VOLTAGE vs OUTPUT CURRENT
0.5
DROPOUT VOLTAGE vs LOAD CURRENT
OUTPUT VOLTAGE vs INPUT VOLTAGE
IO = 0
8.25
VIN = 9 V
0.4
8.25
VDROP (V)
VO (V)
VO (V)
0 50 IO (mA) 100
TK115xx * TPC91
0.3
8.0
8.0
0.2
0.1
7.8
0
7.8
0 50 I O (mA) 100
TK115xx * TPC90
0
10 V IN (V)
20
TK115xx * TPC92
QUIESCENT CURRENT vs LOAD CURRENT
10 VIN = 9 V 7 8
SHORT CIRCUIT PROTECTION
2
VIN = 9 V
INPUT CURRENT vs INPUT VOLTAGE
IO = 0
6
5
I IN (mA)
0 100 IO (mA) 200
TK115xx * TPC94
I Q (mA)
VO (V)
1
5
4
0 0 50 I O (mA) 100
TK115xx * TPC93
0 0 10 V IN (V) 20
TK115xx * TPC95
February, 1995 TOKO, Inc.
10-15-94
Page 23
TK115xx
TYPICAL APPLICATIONS
VIN
S S S
1 2 3 4
S S
8 7 6 5
S
S
VOUT
VIN
3.9
S S S
1
S
8 7 6 5
S
S
+
1 F 100K
S
+
4.7 F
+
C1
+
2 R 3 4
S
VOUT
+
C2
S
KT115xx * TA01
S
S
S
S
KT115xx * TA02
ACTIVE HIGH CONTROL
ACTIVE HIGH CONTROL WITH CURRENT BOOST
VIN VIN
S
S
S
1 2 3 4
8 7 6 5
S
S
+
100K
S
VOUT 4.7 F VOUT
+
VIN
3.9
S S
1 F
S S
+
R C1
S
+
S S
1 2 3 4
8 7 6 5
S
S
VOUT C2
+
S
KT115xx * TA03
S
S
S
S
KT115xx * TA04
ACTIVE LOW CONTROL
ACTIVE LOW CONTROL WITH CURRENT BOOST
VIN
S
S
1 2 3 4
8 7 6 5
S
S
VOUT C2
+
C1
+
VIN
S
3.9 1 F
C1
+
+
S S S
1 2 3 4
8 7 6 5
+
S
C2
S
VOUT
S
S
S S S S
KT115xx * TA05
KT115xx * TA06
NO SWITCH CONTROL
NO SWITCH CONTROL WITH CURRENT BOOST
Page 24
10-15-94
February, 1995 TOKO, Inc.
TK115xx
TYPICAL APPLICATIONS (CONT.)
39
+
S
S
1F
S
1 2 3 4
8 7 6 5
S
+
R
S S
4.7 F
S S
R=
VO IO
V IN
+ _
S
100K
Z
+ _ V SW
S
V3
GND
S
S
KT115xx * TA07
CURRENT MODE REGULATOR WITH ON/OFF CONTROL AND CURRENT BOOST
3.9
S
+
S
S
1F
S
1 2 3 4
8 7 6 5
S
+
R
S S
4.7F
S
S S
100K
S
S
Transistor On/Off control
+ _ + _
S
S
KT115xx * TA08
BATTERY CHARGER WITH ON/OFF CONTROL AND CURRENT BOOST
APPLICATION HINTS
Maximize copper foil area connecting to all IC pins for optimum performance. Place input and output bypass capacitors close to the GND pin. For best transient behavior and lowest output impedance, use as large a capacitor value as possible. The temperature coefficient of the capacitance and Equivalent Series Resistance February, 1995 TOKO, Inc. (ESR) should be taken into account. These parameters can influence power supply noise and ripple rejection. In extreme cases, oscillation may occur. In order to maintain stability, the output bypass capacitor value should be minimum 1 F for Tantalum electrolytic or 4.7 F for Aluminum electrolytic at T A = 25 oC. Page 25
10-15-94
TK115xx
PACKAGE OUTLINE
SOP-8
0.76
1.27
8
5 Marking Information
Marking Information
5.4
e
1.27
1
4
Recommended Mount Pad
0.2
0.5 4.89
0.2
TK11530 TK11532 TK11535 TK11537 TK11540 TK11545 TK11547 TK11550 TK11555 TK11580
530 532 535 537 540 545 547 550 555 580
3.9
0.2
e1
0.2
1.45
1.64
0.25max
0.42
+0.1 -0.05
e
1.27
0.1
6.07
0.3
0.12 M
Unit:mm
The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.
YOUR LOCAL REPRESENTATIVE IS:
TOKO, Inc. 1-17, Higashi-yukigaya 2-chome Ohta-ku, Tokyo 145 Japan Tel: (03) 3727-1161 Fax: (03) 3728-4690, 4697
Page 26
(c) 1993 Toko America, Inc. All Rights Reserved
0.2
+0.1 -0.05
0~10
10-15-94
February, 1995 TOKO, Inc.
Printed in U.S.A.
IC-106-TK115

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