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LT1313 Dual PCMCIA VPP Driver/Regulator
FEATURES
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DESCRIPTION
The LT (R) 1313 is a member of Linear Technology Corporation's PCMCIA driver/regulator family. It provides 0V, 3.3V, 5V, 12V and Hi-Z regulated power to the VPP pins of two PCMCIA card slots from a single unregulated 13V to 20V supply. When used in conjunction with a PC Card Interface Controller, the LT1313 forms a complete minimum component-count interface for palmtop, pen-based and notebook computers. The two VPP output voltages are independently selected by four logic compatible digital inputs which interface directly with industry standard PC Card Interface Controllers. Automatic 3.3V to 5V switching is provided by two independent comparators which continuously monitor each PC card VCC supply voltage and automatically adjust the VPP output to match the associated VCC pin voltage when the VPP = VCC mode is selected. Two open-collector VPP VALID outputs are provided to indicate when the VPP outputs are in regulation at 12V. The LT1313 is available in 16-pin SO packaging.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Digital Selection of 0V, VCC, 12V or Hi-Z Output Current Capability: 120mA Internal Current Limiting and Thermal Shutdown Automatic Switching from 3.3V to 5V Powered from Unregulated 13V to 20V Supply Logic Compatible with Standard PCMCIA Controllers Output Capacitors: 1F Quiescent Current in Hi-Z or 0V Mode: 60A Independent VPP Valid Status Feedback Signals No VPP Overshoot
APPLICATIONS
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Notebook Computers Palmtop Computers Pen-Based Computers Handi-Terminals Bar-Code Readers Flash Memory Programming
TYPICAL APPLICATION
Typical PCMCIA Dual Slot VPP Driver
13V TO 20V 0.1F VS AEN0 AEN1 DUAL PCMCIA CARD SLOT CONTROLLER AVALID ASENSE 3.3V/5V VPP1 VPP2 PCMCIA CARD SLOT #2 VCC
1313 TA01
Linear Technology PCMCIA Product Family
VPP1 VPP2 PCMCIA CARD SLOT #1 VCC
VS AVPPOUT
+
DEVICE LT1312 LT1313
(R)
DESCRIPTION SINGLE PCMCIA VPP DRIVER/REGULATOR DUAL PCMCIA VPP DRIVER/REGULATOR DUAL PCMCIA SWITCH MATRIX PROTECTED VCC 5V/3.3V SWITCH MATRIX
1F TANTALUM
LT1313 BEN0 BEN1 BVALID GND BSENSE GND BVPPOUT
LTC 1314 SINGLE PCMCIA SWITCH MATRIX LTC1315 LTC1470 LTC1472
+
1F TANTALUM
PROTECTED VCC AND VPP SWITCH MATRIX 16-PIN SO*
*NARROW BODY
3.3V/5V
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PACKAGE 8-PIN SO 16-PIN SO* 14-PIN SO 24-PIN SSOP 8-PIN SO
1
LT1313
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ........................................................ 22V Digital Input Voltage ........................ 7V to (GND - 0.3V) Sense Input Voltage ......................... 7V to (GND - 0.3V) VALID Output Voltage .................... 15V to (GND - 0.3V) Output Short-Circuit Duration .......................... Indefinite Operating Temperature ................................ 0C to 70C Junction Temperature................................ 0C to 125C Storage Temperature Range ..................-65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C
PACKAGE/ORDER INFORMATION
TOP VIEW GND AEN0 AEN1 AVALID GND BEN0 BEN1 BVALID 1 2 3 4 5 6 7 8 16 AVPPOUT 15 NC 14 VS 13 ASENSE 12 BVPPOUT 11 NC 10 VS 9 BSENSE
ORDER PART NUMBER LT1313CS
S PACKAGE 16-LEAD PLASTIC SO TJMAX = 125C, JA = 100C/ W
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER VPPOUT Output Voltage CONDITIONS
VS = 13V to 20V, TA = 25C (Note 1), unless otherwise noted.
MIN
q q q q q q q q q q q q
TYP 12.00 5.00 3.30 0.42 60 60 260 105 85 126 31 31 330
MAX 12.48 5.25 3.465 0.60 10 100 100 400 150 120 132 33 33 500 0.4
UNITS V V V V A A A A A A mA mA mA mA V V A A V V A A V mA A
Program to 12V, IOUT 120mA (Note 2) Program to 5V, IOUT 30mA (Note 2) Program to 3.3V, IOUT 30mA (Note 2) Program to 0V, IOUT = - 300A Program to Hi-Z, 0V VPPOUT 12V Both Channels Programmed to 0V Both Channels Programmed to Hi-Z One Channel Programmed to 12V, No Load (Note 3) One Channel Programmed to 5V, No Load (Note 3) One Channel Programmed to 3.3V, No Load (Note 3) One Channel Programmed to 12V, IOUT = 120mA (Note 3) One Channel Programmed to 5V, IOUT = 30mA (Note 3) One Channel Programmed to 3.3V, IOUT = 30mA (Note 3) Program to 3.3V, 5V or 12V (Note 3)
11.52 4.75 3.135 - 10
ILKG IS
Output Leakage Supply Current
ILIM VENH VENL IENH IENL VSEN5 VSEN3 ISEN
Current Limit Enable Input High Voltage Enable Input Low Voltage Enable Input High Current Enable Input Low Current VCC Sense Threshold VCC Sense Threshold VCC Sense Input Current
q q
2.4 20 0.01 50 1 4.50 4.50 60 30 11.5 10
2.4V VIN 5.5V 0V VIN 0.4V VPPOUT = 3.3V to 5V (Note 4) VPPOUT = 5V to 3.3V (Note 4) VSENSE = 5V VSENSE = 3.3V Program to 12V, (Note 5) Program to 12V, VVALID = 0.4V, (Note 5) Program to 0V, VVALID = 12V, (Note 5)
q q q
3.60 3.60
4.05 4.00 38 18
VVALID TH VPPVALID Threshold Voltage IVALID VPPVALIDOutput Drive Current VPPVALID Output Leakage Current
10.5 1
11 3.3 0.1
The q denotes the specifications which apply over the full operating temperature range. Note 1: Both VS pins (10, 14) must be connected together, and both ground pins (1, 5) must be connected together. Note 2: For junction temperatures greater than 110C, a minimum load of 1mA is recommended.
Note 3: The other channel is programmed to the 0V mode (XEN0 = XEN1 = 0V) during this test. Note 4: The VCC sense threshold voltage tests are performed independently. Note 5: The VPPVALID tests are performed independently.
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LT1313 TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current (0V or Hi-Z Mode)
100 TJ = 25C BOTH CHANNELS PROGRAMMED TO 0V OR BOTH CHANNELS PROGRAMMED TO Hi-Z 500 TJ = 25C ONE CHANNEL PROGRAMMED TO 12V OTHER CHANNEL IN 0V OR Hi-Z MODE RL =
QUIESCENT CURRENT (A)
QUIESCENT CURRENT (A)
QUIESCENT CURRENT (A)
80
60
40
20
0
0
5
15 20 10 SUPPLY VOLTAGE (V)
Ground Pin Current (12V Mode)
10 TJ = 25C 12V MODE SINGLE OUTPUT
GROUND CURRENT (mA)
2.5
GROUND CURRENT (mA)
8
6
RL = 100 IL = 120mA*
1.5 RL = 167 IL = 30mA* 1.0 RL = 500 IL = 10mA* *FOR VPPOUT = 5V 0 5 15 20 10 SUPPLY VOLTAGE (V) 25
1313 G05
GROUND CURRENT (mA)
4
RL = 200 IL = 60mA* RL = 400 IL = 30mA* *FOR VPPOUT = 12V 0 5 15 20 10 SUPPLY VOLTAGE (V) 25
1313 G04
2
0
Ground Pin Current
16 14
GROUND PIN CURRENT (mA)
SHORT-CIRCUIT CURRENT (mA)
12 10 8 6 4 2 0 0 20 40 60 80 100 120 140 160 OUTPUT CURRENT (mA)
1313 G07
600 500 400 300 200 100 0 0 5 15 INPUT VOLTAGE (V) 10 20 25
1313 G08
SHORT-CIRCUIT CURRENT (mA)
TJ = 25C VS = 15V SINGLE CHANNEL
UW
LT1313 G1
Quiescent Current (12V Mode)
250
Quiescent Current (3.3V/5V Mode)
TJ = 25C ONE CHANNEL PROGRAMMED TO VPP = VCC. OTHER CHANNEL IN 0V OR Hi-Z MODE RL =
400
200
300
150 VSENSE = 5V VSENSE = 3.3V 50
200
100
100
25
0
0 0 5 15 20 10 SUPPLY VOLTAGE (V) 25
1313 G02
0
5
15 20 10 SUPPLY VOLTAGE (V)
25
1313 G03
Ground Pin Current (5V Mode)
2.5
TJ = 25C 5V MODE SINGLE OUTPUT VSENSE = 5V
Ground Pin Current (3.3V Mode)
TJ = 25C 3.3V MODE SINGLE OUTPUT VSENSE = 3.3V
2.0
2.0
1.5 RL = 110 IL = 30mA* 1.0 RL = 330 IL = 10mA* *FOR VPPOUT = 3.3V 0 5 15 20 10 SUPPLY VOLTAGE (V) 25
1313 G06
0.5
0.5
0
0
Current Limit
800 700
Current Limit
600 VS = 15V XVPPOUT = 0V SINGLE CHANNEL
TJ = 25C XVPPOUT = 0V SINGLE CHANNEL
500 400 300 200 100 0
0
25 50 75 100 JUNCTION TEMPERATURE (C)
125
1313 G09
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LT1313 TYPICAL PERFORMANCE CHARACTERISTICS
Enable Input Threshold Voltage
3.0 VS = 15V
INPUT THRESHOLD VOLTAGE (V)
ENABLE INPUT CURRENT (A)
50
VCC SENSE THRESHOLD VOLTAGES (V)
2.5 2.0 1.5 1.0 0.5 0
0
25 50 75 100 JUNCTION TEMPERATURE (C)
VCC Sense Input Current
50 1.0
VCC SENSE INPUT CURRENT (A)
RIPPLE REJECTION RATIO (dB)
TJ = 25C VS = 15V
VALID OUTPUT VOLTAGE (V)
40
30
20
10
0 0 5 2 3 4 1 VCC SENSE INPUT VOLTAGE (V) 6
1313 G13
12V Turn-On Waveform
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE CHANGE (mV)
12.2 12.0 11.8 11.6
VS = 15V
20 0 -20 -40
COUT = 1F
OUTPUT VOLTAGE CHANGE (V)
12.4
COUT = 1F
COUT = 10F
5 0 -0.2 0 0.2 0.4 0.6 TIME (ms) 0.8 1.0 1.2
15 13 -0.1 0 0.1 0.2 0.3 TIME (ms) 0.4 0.5 0.6
LOAD CURRENT (mA)
EN0 INPUT (V)
SUPPLY VOLTAGE (V)
4
UW
1313 G10
1313 G16
Enable Input Current
5.5
TJ = 25C VS = 15V 40
VCC Sense Threshold Voltage
TJ = 25C VS = 15V 5.0 4.5 SWITCH TO 5V 4.0 3.5 3.0 2.5 SWITCH TO 3.3V
30
20
10
0
125
0
1
2 3 4 5 ENABLE INPUT VOLTAGE (V)
6
1313 G11
0
25 50 75 100 JUNCTION TEMPERATURE (C)
125
1313 G12
VALID Output Voltage
100 TJ = 25C VS = 15V 12V MODE
Ripple Rejection (12V)
TJ = 25C, 12V MODE VS = 15V + 100mVRMS RIPPLE 80
0.8
0.6
60
COUT = 1F TANTALUM
0.4
40
0.2
20
0 0 2.5 1.0 1.5 2.0 0.5 VALID OUTPUT CURRENT (mA) 3.0
1313 G14
0 10 100 1k 10k FREQUENCY (Hz) 100k 1M
1313 G15
Line Transient Response (12V)
40 0.4 0.2 0 -0.2 -0.4
Load Transient Response (12V)
COUT = 1F COUT = 10F
COUT = 10F
100 50 -0.1 0 0.1 0.2 0.3 TIME (ms) 0.4 0.5 0.6
1313 G17
1313 G18
LT1313
PIN FUNCTIONS
Supply Pins: Power is supplied to the device through the two supply pins which must be connected together at all times . The supply pins should be bypassed to ground if the device is more than six inches away from the main supply capacitor. A bypass capacitor in the range of 0.1F to 1F is sufficient. The supply voltage to the LT1313 can be loosely regulated between 13V and 20V. VPPOUT Pins: Each regulated output supplies power to the two PCMCIA card VPP pins which are typically tied together at the socket. Each VPPOUT output is current limited to approximately 330mA. Thermal shutdown provides a second level of protection. A 1F to 10F tantalum output capacitor is recommended. Input Enable Pins: The four digital input pins are high impedance inputs with approximately 20A input current at 2.4V. The input thresholds are compatible with CMOS controllers and can be driven from either 5V or 3.3V CMOS logic. ESD protection diodes limit input excursions to 0.6V below ground. VALID Output Pins: These pins are open-collector NPN outputs which are driven low when the corresponding VPPOUT pin is in regulation, i.e., when it is above 11V. Two external 51k pull-up resistors are connected between these outputs and the same 5V or 3.3V logic supply powering the PCMCIA compatible control logic. VCC Sense Pins: Two independent comparators and 4V references automatically switch the VPPOUT outputs from 5V to 3.3V depending upon the voltage sensed at the corresponding PCMCIA card socket VCC pin. The input current for these pins is approximately 30A. For 5V only operation, connect the Sense pins directly to ground. An ESD protection diode limits the input voltage to 0.6V below ground. Ground Pins: The two ground pins must be connected together at all times.
BLOCK DIAGRAM
VS
XVCC SENSE
+ -
4V XVALID
XEN0 XEN1
X = A OR B
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(One Channel)
LOW DROPOUT LINEAR REGULATOR
XVPPOUT
+
VOLTAGE LOGIC CONTROL
-
11V
1313 BD
5
LT1313
OPERATION
The LT1313 is two programmable output voltage, lowdropout linear regulators designed specifically for PCMCIA VPP drive applications. Input power is typically obtained from a loosely regulated input supply between 13V and 20V. The LT1313 consists of the following blocks: Two Low Dropout Voltage Linear Regulators: The heart of the LT1313 is two PNP-based low-dropout voltage regulators which drop the unregulated supply voltage from 13V to 20V down to 12V, 5V, 3.3V, 0V or Hi-Z depending upon the state of the four Enable inputs and the two VCC Sense inputs. The regulators have built-in current limiting and thermal shutdown to protect the device, the loads, and the sockets against inadvertent short circuiting to ground. Voltage Control Logic: The two VPPOUT outputs have five possible output modes: 0V, 3.3V, 5V, 12V and Hi-Z. These five modes are selected by the four Enable inputs and the two VCC Sense inputs as described by the Truth Table. VCC Sense Comparators: When the VCC mode is selected, the LT1313 automatically adjusts each regulated VPP output voltage to 3.3V or 5V depending upon the voltage present at the corresponding PC card VCC supply pin. The threshold voltage for these comparators is set at 4V and there is approximately 50mV of hysteresis provided to ensure clean switching between 3.3V and 5V. VPP VALID Comparator: Two voltage comparators monitor each output voltage when the 12V mode is selected and are driven low when the output is in regulation above 11V. These two outputs function separately.
LT1313 Truth Table
AEN0 AEN1 ASENSE AVPPOUT AVALID
APPLICATIONS INFORMATION
The LT1313 is two voltage programmable linear regulators designed specifically for PCMCIA VPP driver applications. The device operates with very low quiescent current (60A) in the 0V and Hi-Z modes of operation. In the Hi-Z mode, the output leakage current falls to 1A. In addition to the low quiescent currents, the LT1313 incorporates several protection features which make it ideal for PCMCIA applications. The LT1313 has built-in current limiting (330mA) and thermal shutdown to protect the device and the socket VPP pins against inadvertent short-circuit conditions. Output Capacitance The LT1313 is designed to be stable with a wide range of output capacitors. The minimum recommended value is a 1F with an ESR of 3 or less. The capacitor is connected directly between the output pin and ground. For applications where space is very limited, capacitors as low as 0.33F can be used. Extremely low ESR ceramic capacitors with values less than 1F must have a 2 resistor added in series with the output capacitor. Transient and Switching Performance The LT1313 is designed to produce minimal overshoot with capacitors in the range of 1F to 10F. Larger capacitor values can be used with a slowing of rise and fall times. The positive output slew rate is determined by the 330mA current limit and the output capacitor. The rise time for a 0V to 12V transition is approximately 40s and the rise time for a 10F capacitor is roughly 400s (see the Transient Response curves in the Typical Performance Characteristics section).
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0 1 0 0 1
X = Don't Care
0 0 1 1 1
BEN1
X X 3.0V to 3.6V 4.5V to 5.5V X
BSENSE
0V 12V 3.3V 5V Hi-Z
BVPPOUT
1 0 1 1 1
BVALID
BEN0
0 1 0 0 1
0 0 1 1 1
X X 3.0V to 3.6V 4.5V to 5.5V X
0V 12V 3.3V 5V Hi-Z
1 0 1 1 1
Note: Each channel is independently controlled.
LT1313
APPLICATIONS INFORMATION
The fall time from 12V to 0V is set by the output capacitor and an internal pull-down current source which sinks about 30mA. This source will fully discharge a 1F capacitor in less than 1ms. Thermal Considerations Power dissipated by the device is the sum of two components: output current multiplied by the input-output differential voltage: IOUT x (VIN - VOUT), and ground pin current multiplied by supply voltage: (IGND x VIN). The ground pin current can be found by examining the Ground Pin Current curves in the Typical Performance Characteristics section. Heat sinking, for surface mounted devices, is accomplished by using the heat spreading capabilities of the PC board and its copper traces. The junction temperature of the LT1313 must be limited to 125C to ensure proper operation. Use Table 1, in conjunction with the typical performance graphs, to calculate the power dissipation and die temperature for a particular application and ensure that the die temperature does not exceed 125C under any operating conditions.
Table 1. 16-Pin SO Package*
COPPER AREA TOPSIDE 2500 sq mm 1000 sq mm 225 sq mm 1000 sq mm BACKSIDE 2500 sq mm 2500 sq mm 2500 sq mm 1000 sq mm BOARD AREA 2500 sq mm 2500 sq mm 2500 sq mm 1000 sq mm THERMAL RESISTANCE (JUNCTION-TO-AMBIENT) 120C/W 120C/W 125C/W 131C/W
* Device is mounted on topside.
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Calculating Junction Temperature Example: given an output voltage of 12V, an input supply voltage of 14V, and an output current of 100mA (one VPP output), and a maximum ambient temperature of 50C, what will the maximum junction temperature be? Power dissipated by the device will be equal to: IOUT x (VS - VPPOUT) + (IGND x VIN) where, IOUT = 100mA VIN = 14V IGND at (IOUT = 100mA, VIN = 14V) = 5mA so, PD = 100mA x (14V -12V) + (5mA x 15V) = 0.275W Using Table 1, the thermal resistance will be in the range of 120C/W to 131C/W depending upon the copper area. So the junction temperature rise above ambient will be less than or equal to: 0.275W x 131C/W = 36C The maximum junction temperature will then be equal to the junction temperature rise above ambient plus the maximum ambient temperature or: TJMAX = 50C + 36C = 86C
For more detailed applications information, see the LT1312 Single PCMCIA VPP Driver/Regulator data sheet.
7
LT1313
TYPICAL APPLICATIONS
Dual Slot PCMCIA Interface to CL-PD6720
VLOGIC 13V TO 20V 51k A_VPP_PGM A_VPP_VCC VS AEN0 AEN1 AVALID ASENSE VS AVPPOUT 0.1F VPP1 VPP2 1F 3.3V/5V LT1313 B_VPP_PGM B_VPP_VCC VPP_VALID CIRRUS LOGIC CL-PD6720 AVCC 5V BEN0 BEN1 BVALID GND BSENSE GND 5V Q1 Si9405DY BVPPOUT PCMCIA CARD SLOT #1 VCC VPP1
AVCC 3V 5V BVCC 5V Q4 Si9405DY
BVCC 3V
AVCC 5V
AVCC 3V
BVCC 5V
IN1
BVCC 3V
IN2 IN3
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+
1F 3.3V/5V
VPP2 PCMCIA CARD SLOT #2 VCC
Q2 Si9933DY Q3 Si9933DY 3.3V
+
10F
Q5 Si9933DY Q6 Si9933DY 3.3V
+
10F
P-CHANNEL VCC SWITCHING
N-CHANNEL VCC SWITCHING USING LTC1165 INVERTING N-CHANNEL DRIVERS 5V IN1 VS OUT1
5V Q1 1/2 Si9956DY TO VCC SLOT 1 Q2 Si9956DY Q3 Si9956DY
LTC1165CS8 IN2 IN3 5V VS OUT1 OUT2 OUT3 5V Q4 1/2 Si9956DY 3.3V
GND
LTC1165CS8 OUT2 OUT3 Q5 Si9956DY Q6 Si9956DY 3.3V
TO VCC SLOT 2
GND
1313 TA02
LT1313
TYPICAL APPLICATIONS
Dual Slot PCMCIA Interface to "365" Type Controller
VLOGIC 13V TO 20V 51k A_VPP_EN0 A_VPP_EN1 A:GP1 51k VS AEN0 AEN1 AVALID ASENSE VS AVPPOUT 0.1F VPP1 VPP2 PCMCIA CARD SLOT #1 VCC VPP1
B_VPP_EN0 B_VPP_EN1 B:GP1 "365" TYPE CONTROLLER
A_VCC_EN0
A_VCC_EN1 IN2 5V B_VCC_EN0 IN1 B_VCC_EN1 VS G1 GND G2
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1F 3.3V/5V
LT1313 BEN0 BEN1 BVALID GND 5V IN1 VS G1 BSENSE GND 5V Q1 1/2 Si9956DY BVPPOUT
+
1F 3.3V/5V
VPP2 PCMCIA CARD SLOT #2 VCC
LTC1157CS8 Q2 Si9956DY Q3 Si9956DY 5V 3.3V Q4 1/2 Si9956DY
+
10F
LTC1157CS8 Q5 Si9956DY IN2 GND G2 Q6 Si9956DY 3.3V
+
10F
1313 TA03
9
LT1313
TYPICAL APPLICATIONS
Dual Slot PCMCIA Driver/Regulator Powered from Auxiliary Winding on 5V Inductor of LTC1142HV Dual 5V/3.3V Switching Regulator
VIN 6.5V TO 18V VIN 10
Q1 PDRIVE LTC1148 SINGLE 5V REG 9
Q2 NDRIVE 20 D3 MBRS130T3 R1 100 C2 1000pF R3 18k Q3 VN7002 Q4 VN7002 *LPE-6562-A026 DALE (605) 655-9301 R2 100 T1* 1.8T 30H
SENSE
+ 15
SENSE-
14
AEN0 AEN1 AVALID BEN0 BEN1 BVALID NOTE: SEE LT1312 DATA SHEET APPLICATIONS SECTION FOR FURTHER DETAILS ON THIS CIRCUIT
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D1 MBRS140
+
C1 68F
R4 22
C4 1000pF
D2 MBRS140
14V AUXILIARY SUPPLY
+
C5 22F
VS AEN0
VS AVPPOUT
R5 0.033
+
1F
TO "A" SLOT VPP PINS
+
5V OUTPUT
AEN1 AVALID LT1313 BEN0 BEN1 BVALID GND BSENSE GND BVPPOUT ASENSE
C3 220F
FROM "A" SLOT VCC PIN TO "B" SLOT VPP PINS 1F FROM "B" SLOT VCC PIN
+
1313 TA04
LT1313
PACKAGE DESCRIPTION
0.010 - 0.020 x 45 (0.254 - 0.508) 0.008 - 0.010 (0.203 - 0.254) 0 - 8 TYP
0.016 - 0.050 0.406 - 1.270
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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Dimensions in inches (millimeters) unless otherwise noted.
S Package 16-Lead Narrow Plastic SOIC
0.386 - 0.394* (9.804 - 10.008) 16 15 14 13 12 11 10 9
0.228 - 0.244 (5.791 - 6.197)
0.150 - 0.157* (3.810 - 3.988)
1 0.053 - 0.069 (1.346 - 1.752)
2
3
4
5
6
7
8
0.004 - 0.010 (0.101 - 0.254)
0.014 - 0.019 (0.355 - 0.483)
0.050 (1.270) TYP
SO16 0893
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
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LT1313 RELATED PARTS
See PCMCIA Product Family table on the first page of this data sheet.
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Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977
LT/GP 0994 10K * PRINTED IN USA
(c) LINEAR TECHNOLOGY CORPORATION 1994

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