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PKC 2000 I
15-18 W DC/DC Power Modules 24 V Input Series
* Regulated single, dual and triple outputs * Low profile 10.7 mm (0.42 in.), allows 0.8" board pitch - 0.6 in. if recessed in the printed board * Proven MTBF >2,000,000 hours at +75 C case temperature and a rugged mechanical construction * Efficiency 85% typ, at full load. No extra heatsink up to +85C ambient. Max.+115C case * Low EMI in conformance with class A in EN 55022 and FCC part 15J
The 15-18 watts PKC series DC/DC power modules are especially designed for decen-tralized 24 and 28 Vdc systems with distributed on-board DC/DC converters. Their low profile allows very narrow board pitches and slim designs. By using thickfilm technology, which provides a high degree of integration as well as efficient thermal management, and by utilizing a 300 kHz switching frequency based on proprietary drive & control circuits, these highly reliable products can be used in demanding applications within e.g. cellular radio, medical, industrial and aircraft industry. By using magnetic integration of the output voltages in the feedback loop, all outputs are kept within a 3% total tolerance band. Input to output isolation is
500 Vdc and mechanical ruggedness - specified in conformance with IEC 68-2 - is close to requirements for discrete components. Extreme temperature conditions can be met since the PKC power modules can operate with full output power in ambient temperatures from -45 to +85C, or up to +115C case temperature also making the products ideal for applications within not temperature controlled environments. The PKC series are manufactured using highly automated manufacturing lines with a world-class quality commitment and a five-year warranty. Ericsson Microelectronics AB has been an ISO 9001 certified supplier since 1991. For a complete product program please reference the back cover.
E
General
Absolute Maximum Ratings
Characteristics TC TS VI VISO Wtr VRC Case temperature1) min - 45 - 55 - 0.5 500 0.6 0 5 max +115 +125 36 Unit C C V dc V dc Ws V dc
Storage temperature Input voltage Input to output isolation Transient input energy 2)
Stress in excess of Absolute Maximum Ratings may cause permanent damage. Absolute Maximum Ratings, sometimes referred to as no destruction limits, are normally tested with one parameter at a time exceeding the limits of Output data or Electrical Characteristics. If exposed to stress above these limits, function and performance may degrade in an unspecified manner.
Remote control voltage pin 1
Safety
The PKC 2000 I DC/DC power modules are designed in accordance with EN 60 950. Safety of information technology equipment including electrical business equipment. and certified by SEMKO.
min 18
(See Operating Information) (See Operating Information)
Input TC < TCmax unless otherwise specified
Characteristics VI VI off VI on rI rush CI PIi Input voltage range3) Turn-off input voltage Turn-on input voltage Equivalent inrush current resistance Input capacitance Input idling power IO = 0, TC = 0...+95 C VI = 26V, IO = 0, TC = 0... +95 C, RC connected to pin 3 Conditions typ max 36 17 18 600 1.4 2 Unit V V V mW mF W
13 14
The isolation is an operational insulation in accordance with EN 60950. The PKC power modules are recognized by UL and meet the applicable requirements in UL 1950 Safety of information technology equipment, the applicable canadian safety requirements and UL 1012 standard for power supplies. The DC/DC power module shall be installed in an end-use equipment. The isolation voltage between input and output and between case and input/output is 500 Vdc and the capacitor between the input and output has a value of 10 nF. The leakage current is less than 1uA @ 26 V dc. The case is partly designed in non-coductive plastic. Flammability ratings meets UL 94V-0.
PRC
Input stand-by power
0.6
W
Environmental Characteristics
Characteristics Vibration (Sinusoidal) Shock (Half sinus) Bump (Half sinus) Temperature change Damp heat Accelerated damp heat Solder resistability Test procedure & conditions Frequency Amplitude Acceleration Number of cycles Peak acceleration Shock duration Peak acceleration Bump duration Number of bumps Temperature Number of cycles Temperature Duration Temperature Humidity Duration Temperature,solder Duration 10...500 Hz 0.75 mm 10 g 10 in each axis 200 g 3 ms 40 g 6 ms 1000 in 6 directions -40C...+125C 10 40C 56 days 85C 85% RH 500 hours 260C 10...13 s
IEC 68-2-6 Fc
IEC 68-2-27 Ea
IEC 68-2-29 Eb
Notes:
1)
IEC 68-2-14 Na IEC 68-2-3 Ca IEC 68-2-3 Ca with bias IEC 68-2-20 Tb 1A
Corresponding ambient temp. range (TA) at full output power is -45 to +85C. P<1 kW, tr/td = 10/1000 ms, II<8 A. Transient supressor threshold voltage is 39 V typ. The converters will operate down to VI17 V, when VI decreases, but will turn on at VI18 V, when VI increases (see also Operating information).
2)
3)
2
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
Mechanical Data
On-card mounting
In-card mounting
Pin spacing figures are nominal 0.1M. 1M = 2.54 mm (0.1 in)
Footprint
17.8 (0.70) 9 8 7 6
45.7 (1.80) 55 (2.16)
AE1.8-2.0 [9] (0.079)
TOP VIEW
E
1 12.06 (0.475) 1 2 3 4 5 12.7 (0.50) 80 (3.15)
4.64 (0.183)
Dimensions in mm (in)
Connections
Pin 1 2 3 4 5 6 7 8 9 Designation RC NC -In +In Aux Out Out Rtn Out Function Remote Control to turn-on and turn-off the output. It is also used to adjust the turn-off input voltage threshold (see VIoff p.15) The pin is Not Connected Negative Input terminal Positive Input terminal Auxiliary terminal (see VIoff p. 15) Negative Output terminal. Output 2 in dual and Output 3 in triple output models Positive Output terminal. Output 2 in triple output models. Additional return in dual versions Return terminal for all outputs Positive Output terminal. Output 1 in all models
Weight
50 gr (1.76 oz).
Case
Blue anodized aluminum case with a plastic bottom cover and with tin plated brass pins.
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
3
Thermal Data
Two-parameter model
Power dissipation is generated in the components mounted on the ceramic substrate. The thermal properties of the PKC power module is determined by thermal conduction in the connected pins and thermal convection from the substrate via the case. The two-parameter model characterize the thermal properties of the PKC power module and the equation below can be used for thermal design purposes if detailed information is needed. The values are given for a module mounted on a printed board assembly (PBA). Note that the thermal resistance between the substrate and the air, Rth sub-A is strongly dependent on the air velocity. Tsub = Pd x Rth sub-P x Rth sub-A/(Rth sub-P + Rth sub-A) + (TP -TA) x Rth sub-A/(Rth sub-P + Rth sub-A) + TA Where: : dissipated power, calculated as PO x (1/h-1). Pd Tsub : max average substrate temperature, TC max. : ambient air temperature at the lower side of the power TA module. TP : average pin temperature or solder joint temperature. Rth sub-P : thermal resistance from Tsub to the pins. Rth sub-A : thermal resistance from Tsub to TA. v : velocity of ambient air. Air velocity in free convection is 0.2- 0.3 m/s (40-60 lfm).
Electrical Data
Fundamental circuit diagrams Single output
Dual output
15
Rth sub-P = 6.0 C
Rth sub-A (C/W)
10
5
0 0
0.5
1.0 Air velocity (m/s)
1.5
2.0
Triple output
TA Tsub Rth sub-A v Pd Tsub
TA Rth sub-A Rth sub-P TP
Rth sub-P TP
4
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
PKC 2111 PI
TC = 0 ...+95C, VI = 18...36 V unless otherwise specified. Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling circuit voltage Line regulation Load regulation ttr Load transient recovery time TC = +25C, IO = 3 A, VI = 26 V IO = 0.1 ... 1.0 IO max and long term drift IO = 0 A IO = IO max IO = 0.1 ... 1.0 I O max, VI = 26 V IO=0.1 ... 1.0 IO max, VI = 26 V load step = 2.4 A di <1A/ms dt t = 0...10 minutes IO =IO max, TC < TC max IO= 0.1... 1.0 IO max, VI = 26 V 0.1 ... 0.9 VO From VI connection to VO = 0.9 VOi 0
*
Unit typ 5.06 max 5.11 V
5.02
4.90
5.25 5.25 90 150 100 +250 -250
V V mV mV
ms
VO
mV mV mV mV/C ms ms 3.0 A W A
Vtr
Load transient voltage
Short term drift Tcoeff tr ts IO PO max Ilim Isc Temperature coefficient Ramp-up time Start-up time Output current Max output power Current limiting threshold Short curcuit current
-15 -0.5 20 30
15 3.1 <0.5 100 120 35 50
TC < TC max VO = 0.2 ... 0.5 V, T A = 25C Hick-up 20 Hz ... 5 MHz
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO =IO max
DC ... 50 MHz 1 MHz bandwidth
SVR
*
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
See also Power derating p. 12
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO = IO max, VI = 26 V IO =IO max min 80.5 typ 81.5 3.4 max Unit % W
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
5
PKC 2113 PI
TC = 0...+95C, VI = 18...36V unless otherwise specified. Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling circuit voltage Line regulation Load regulation ttr Load transient recovery time TC = +25C, IO = 1.5A, VI = 26 V IO = 0.1 ... 1.0 IO max and long term drift IO = 0 A IO = IO max IO = 0.1 ... 1.0 IO max, VI = 26 V IO=0.1 ... 1.0 IO max, VI = 26 V load step = 1.2 A di <1A/ms dt t = 0...10 minutes IO = IO max, TC < TC max 0.1 ... 0.9 VO IO= 0.1 ... 1.0 IO max, From VI connection VI = 26 V to VO = 0.9 VOi 0
*
Unit typ 12.00 max 12.06 V
11.94
11.80
12.35 12.40 168 360 200 +600 -600
V V mV mV
ms
VO
mV mV mV mV/C ms ms 1.5 A W A
Vtr
Load transient voltage
Short term drift Tcoeff tr ts IO PO max Ilim Isc Temperature coefficient Ramp-up time Start-up time Output current Max output power Current limiting threshold Short curcuit current
-45 -1.5 20 30
18 1.6 <0.5 80 100 25 43
TC < TC max VO =0.2 ... 0.5 V, TA = 25C Hick-up 20 Hz ... 5 MHz
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO =IO max
DC ... 50 MHz 1 MHz bandwidth
SVR
*
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
See also Power derating p. 12
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO = IO max, VI = 26 V IO =IO max min 84 typ 85 3.2 max Unit % W
6
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
PKC 2121 PI
TC = 0...+95C, VI = 18...36V unless otherwise specified. IO1nom = 0.75A, IO2nom = 0.75A Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling circuit voltage Line regulation Load regulation Load transient recovery time TC = +25C, IO = IO nom, VI = 26 V IO1= 0.1 ... 1.0 IO nom, I O2 = IO nom and long term drift IO = 0 A IO = IO nom IO1= 0.1 ... 1.0 IO nom, IO2 = IO nom, VI = 26 V IO= 0.1 ... 1.0 IO nom, VI = 26 V load step = 0.6 A symmetrical load, IO1 = IO2 di <1A/ms dt t = 0...10 minutes IO =IO nom, TC < TC max IO= 0.1 ... 1.0 IO nom, VI = 26 V 0.1 ... 0.9 VO From VI connection to VO = 0.9 VOi 0
*
Output 2 Unit max 12.09 min -11.84 typ -12.00 max -12.16 V
typ 12.00
11.91
11.75
12.35 12.40 120 360
11.64 15
12.36 20 144
V V mV mV
VO
ttr
200 +600 - 600 - 30 - 1.0 20 30 1.2 min 18 min 1.02 PO max** <0.5 90 110 25 43 43 0
200 +600 - 600 - 30 -1.0 20 30 1.2
ms mV mV mV mV/C ms ms A W
Vtr
Load transient voltage
Short term drift Tcoeff tr ts IO PO max Ilim Isc Temperature coefficient Ramp-up time Start-up time Output current Max total output power Current limiting threshold Short curcuit current
TC < TC max VO =0.2 ... 0.5 V, TA= 25C Hick-up 20 Hz ... 5 MHz
<0.5 90 110 30
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO =IO nom
DC ... 50 MHz 1 MHz bandwidth
SVR
* **
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
See also Power derating p. 12 Ilim on each output is set by the total load
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO = IO nom, VI = 26 V IO = IO nom min 84 typ 86 2.9 max Unit % W
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
7
PKC 2126 PI
TC = 0...+95C, VI = 18...36V unless otherwise specified. IO1nom = 0.6A, IO2nom = 0.6A Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling voltage Line regulation Load regulation Load transient recovery time TC = +25C, IO = IO nom, VI = 26 V IO1= 0.1 ... 1.0 IO nom, IO2 = IO nom and long term drift IO = 0 A IO = IO nom IO1= 0.1 ... 1.0 IO nom, IO2 = IO nom, VI = 26 V IO = 0.1 ... 1.0 IO nom, VI = 26 V load step = 0.48 A symmetrical load, IO1 = IO2 di <1A/ms dt t = 0...10 minutes IO =IO nom, TC < TC max 0.1 ... 0.9 VO IO= 0.1 ... 1.0 IO nom, From VI connection VI = 26 V to VO = 0.9 VOi 0
*
Output 2 Unit max 15.11 min -14.82 typ -15.0 max -15.18 V
typ 15.0
14.89
14.70
15.40 15.45 240 450
14.55 18
15.45 23 270
V V mV mV
VO
ttr
250 +750 - 750 - 30 - 1.0 20 30 1.0 min 18 min 1.02 PO max** <0.5 90 110 25 40 40 0
250 +750 - 750 - 30 -1.0 20 30 1.0
ms mV mV mV mV/C ms ms A W
Vtr
Load transient voltage
Short term drift Tcoeff tr ts IO PO max Ilim Isc Temperature coefficient Ramp-up time Start-up time Output current Max total output power Current limiting threshold Short curcuit current
TC < TC max VO = 0.2 ... 0.5 V, TA= 25C Hick-up 20 Hz ... 5 MHz
<0.5 90 110 30
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO = IO nom
DC ... 50 MHz 1 MHz bandwidth
SVR
*
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
** I
See also Power derating p. 12 lim on each output is set by the total load
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO = IO nom, VI = 26 V IO = IO nom min 84 typ 86.5 2.8 max Unit % W
8
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
PKC 2131 PI
TC = 0...+95C, VI = 18...36V unless otherwise specified. IO1nom = 2.0A, IO2, 3nom = 0.2A Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling voltage Line regulation Load regulation Load transient recovery time TC = +25C, IO = IO nom, VI = 26 V IO = 0.1 ... 1.0 IO nom, IO 2, 3= IO nom and long term drift IO = 0 A IO = IO nom IO1= 0.1 ... 1.0 I O nom, IO2, 3 = IO nom, VI = 26 V IO= 0.1 ... 1.0 IO nom, VI = 26 V load step = 80% of IO nom di <1A/ms dt 100 +250 -250 Short term drift Tcoeff tr ts IO Temperature coefficient Ramp-up time Start-up time Output current
*
Output 2 max 5.11 min 11.94 typ 12.10 max min
Output 3 Unit typ max V
typ 5.06
5.02
12.26 -11.94 -12.10 -12.26
4.90
5.25 5.25 81 162
11.64 15.00
12.36 16.80 288
11.64 15.00
12.36 16.80 288
V V mV mV
VO
ttr
200 +600 -600 -36 -1.2 20 30 3.0 0 min 15 min 1.02 PO max** 0.6 0
200 +600 -600 -36 -1.2 20 30 0.6
ms
mV mV mV mV/C ms ms A W
Vtr
Load transient voltage
t = 0...10 minutes IO =IO nom, TC < TC max 0.1 ... 0.9 VO I O= 0.1 ... 1.0 IO nom, From VI VI = 26 V connection to VO = 0.9 VOi 0
-15 -0.5 20 30
PO max Max total output power Ilim Isc Current limiting threshold Short curcuit current
TC < TC max VO =0.2 ... 0.5 V, TA= 25C Hick-up 20 Hz ... 5 MHz <0.5 100 130 40 50
<0.5 110 150 40 43 43
<0.5 100 150 40
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO = IO nom
DC ... 50 MHz 1 MHz bandwidth
SVR
* **
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
See also Power derating p. 13. Max output power on output 2 and 3 jointly is min 10 W Ilim on each output is set by the total load
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO =IO nom, VI = 26 V IO =IO nom min 79.5 typ 81 3.5 max Unit % W
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
9
PKC 2132 PI
TC = 0...+95C, VI = 18...36V unless otherwise specified. IO1nom = 2.0A, IO2, 3nom = 0.17A Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling voltage Line regulation Load regulation Load transient recovery time TC = +25C, IO = IO nom, VI = 26 V IO = 0.1 ... 1.0 IO nom, IO 2, 3= IO nom and long term drift IO = 0 A IO = IO nom IO1= 0.1 ... 1.0 IO nom, IO2, 3 = IO nom, VI = 26 V IO= 0.1 ... 1.0 IO nom, VI = 26 V load step = 80% of IO nom di <1A/ms dt t = 0...10 minutes IO = IO nom, TC < TC max 0.1 ... 0.9 VO IO= 0.1 ... 1.0 IO nom, From VI VI = 26 V connection to VO = 0.9 VOi 0
*
Output 2 max 5.10 min 14.80 typ 15.00 max min
Output 3 Unit typ max V
typ 5.06
5.03
15.20 -14.80 -15.00 -15.20
4.90
5.25 5.25 81 182
14.40 18.00
15.60 19.80 330
14.40 18.00
15.60 19.80 330
V V mV mV
VO
ttr
100 +250 -250
250 +750 -750 -45 -1.5 20 30 3.0 0 min 15 min 1.02 PO max** 0.5 0
250 +750 -750 -45 - 1.5 20 30 0.5
ms
mV mV mV mV/C ms ms A W
Vtr
Load transient voltage
Short term drift Tcoeff tr ts IO Temperature coefficient Ramp-up time Start-up time Output current
-15 - 0.5 20 30
PO max Max total output power Ilim Isc Current limiting threshold Short curcuit current
TC < TC max VO = 0.2 ... 0.5 V, TA= 25C Hick-up 20 Hz ... 5 MHz <0.5 100 130 40 50
<0.5 110 150 40 40 40
<0.5 100 150 40
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO =IO nom
DC ... 50 MHz 1 MHz bandwidth
SVR
* **
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
See also Power derating p. 13. Max output power on output 2 and 3 jointly is min 10 W Ilim on each output is set by the total load
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO = IO nom, VI = 26 V IO = IO nom min 80 typ 82 3.3 max Unit % W
10
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
PKC 2135 PI
TC = 0...+95C, VI = 18...36V unless otherwise specified. IO1nom = 2.0A, IO2nom = 0.2A, IO3nom = 0.5A Output
Output 1 Characteristics Conditions min VOi Output voltage initial setting and accuracy Output voltage tolerance band Idling voltage Line regulation Load regulation Load transient recovery time TC = +25C, IO = IO nom, VI = 26 V IO = 0.1 ... 1.0 IO nom, IO 2, 3= IO nom and long term drift IO = 0 A IO = IO nom IO1= 0.1 ... 1.0 IO nom, IO2, 3 = IO nom, VI = 26 V IO= 0.1 ... 1.0 IO nom, VI = 26 V load step = 80% of IO nom di <1A/ms dt t = 0...10 minutes IO =IO nom, TC < TC max 0.1 ... 0.9 VO I O= 0.1 ... 1.0 IO nom, From VI connection to VI = 26 V VO = 0.9 VOi 0
*
Output 2 max 5.10 min 11.90 typ 12.10 max 12.30 min -4.99
Output 3 Unit typ -5.06 max -5.14 V
typ 5.06
5.03
4.90
5.25 5.25 90 190
11.52 15.00
12.36 16.00 336
4.75 6.00
5.25 6.50 110
V V mV mV
VO
ttr
100 +250 -250 -15 -0.5 20 30 3.0 0
200 +600 -600
100 +250 -250
ms
mV mV mV
Vtr
Load transient voltage
Short term drift Tcoeff tr ts IO Temperature coefficient Ramp-up time Start-up time Output current
-1.0 20 30 0.6 min 15 min 1.02 PO max** 0
-0.5 20 30 1.0
mV/C ms ms A W
PO max Max total output power Ilim Isc Current limiting threshold Short curcuit current
TC < TC max VO =0.2 ... 0.5 V, TA= 25C Hick-up 20 Hz ... 5 MHz <0.5 100 130 40 50
<0.5 110 150 40 43 50
<0.5 100 120 35
A mVp-p mVp-p mVrms dB
VO ac
Output ripple & noice
IO =IO nom
DC ... 50 MHz 1 MHz bandwidth
SVR
* **
Supply voltage rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 26 V (SVR = 20 log (1 Vp-p/VO p-p))
See also Power derating p. 13. Max output power on output 2 and 3 jointly is min 10 W Ilim on each output is set by the total load
Miscellaneous
Characteristics h Pd Efficiency Power dissipation Conditions IO = IO nom, VI = 26 V IO = IO nom min 79.5 typ 81 3.5 max Unit % W
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
11
PKC 2111 PI
Efficiency (typ)
90 6
Output characteristic (typ)
Power derating
Efficiency (%)
80
Output voltage (V)
4
70
2 Hick-up mode
60
0.6
1.2
1.8 Load current (A)
2.4
3.0
0
0
1
2 Load current (A)
3
4
PKC 2113 PI
Efficiency (typ)
90 15
Output characteristic (typ)
Power derating
Output voltage (V)
Efficiency (%)
80
10
70
5 Hick-up mode
60
0.3
0.6
0.9 Load current (A)
1.2
1.5
0
0
0.5
1 Load current (A)
1.5
2
PKC 2121 PI
Efficiency (typ)
90
1.2
Max output current
Power derating
Efficiency (%)
Output 1 (A)
80
0.8
70
0.4
60 0.15
0.30
0.45
0.60
0.75
0
0
0.4
0.8 Output 2 (A)
1.2
Load current (A) IO1 = IO2
PKC 2126 PI
Efficiency (typ)
90
1.2
Max output current
Power derating
Efficiency (%)
70
Output 1 (A)
80
0.8
0.4
60 0.12
0.24
0.36
0.48
0.6
0
0
0.4
0.8 Output 2 (A)
1.2
Load current (A) IO1 = IO2
12
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
PKC 2131 PI
Efficiency (typ)
90
Max output current
0.6
0. 8
Power derating
Efficiency (%)
Output 2 (A)
80
0.4
1. 3
t1 pu ut O
)1 (A
70
0.2
2. 1
.7
2. 4
60
3
6
9 Output power (W)
12
15
0
0
0.2
0.4
0.6
Output 3 (A)
PKC 2132 PI
Efficiency (typ)
90
0.5 0.4
Efficiency (%)
Max output current
Power derating
0. 8
Output 2 (A)
80
0.3 0.2
1.
O ut pu t1
3
(A )1
70
2. 1
.7
2.
0.1
4
60
3
6
9 Output power (W)
12
15
0
0
0.1
0.2
0.3
0.4
0.5
Output 3 (A)
PKC 2135 PI
Efficiency (typ)
90
0.6
Max output current
0.8
Power derating
Output 2 (A)
Efficiency (%)
80
0.4
Ou
2. 1
1.3
tpu
t1
(A
)1 .7
70
0.2
2.4
60
3
6
9 Output power (W)
12
15
0
0
0.2
0.4
0.6
0.8
1
Output 3 (A)
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
13
EMC Specifications
The PKC power module is mounted on a double sided printed circuit board (PB) with groundplane during EMC measurements. The fundamental switching frequency is 300 kHz 15% @ IO = IO max or IO nom
Operating information
Remote Control (RC)
Turn-on or turn-off can be realized by using the RC-pin. Normal operation is achieved if pin 1 is open (NC). If pin 1 is connected to pin 3 the PKC DC/DC power module turns off. To ensure safe turn-off the voltage difference between pin 1 and 3 shall be less than 1.8 V. RC is TTL open collector compatible (see fig. 1). Pin 1 is an output and no current should be driven into pin 1. Use a diode if necessary e.g. totem pole TTL logic. The internal pull-up resistance is 15 kW.
Conducted EMI (input terminals)
+VI
PKC
TTL
RC (pin 1)
Control logic
-In (pin 3) -VI
PKC series typical conducted EMI performance
Fig. 1
Test set up
Input and Output Impedance
3 50 mH/ 50 W Network C 4 1m 9 8
Input DC supply
Spectrum analyzer
C = 4.7 mF electrolytic to prevent oscillations on supply mains
Both the source impedance of the power feeding and the load impedance will interact with the impedance of the DC/DC power module. It is most important to have the ratio between L and C as low as possible, i.e. a low characteristic impedance, both at the input and output, as the power modules have a low energy storage capability. A capacitive compensation is necessary if the source or load inductance is larger than 10 mH. Use wet electrolytic capacitors. Their equivalent series resistance together with the capacitance acts as a lossless damping filter. Suitable capacitor values are in the range10-100 mF.
The PKC meets class A in VDE 0871/0878, FCC Part 15J, and CISPR 22 (EN 55022).
+VO (pin 9)
15k 1k2 1k TL431 10k 270
Radiated EMI
To minimize radiation it is recommended to have a ground or earth plane in the printed board (PB).
RC (pin 1)
Output Ripple & Noise (VOac)
Output ripple & noise is measured at the output terminals with a 50 MHz oscilloscope and a true rms DVM (crest factor >4.5). The oscilloscope's input impedance should be adapted to the impedance of the coax cable and the output terminal connection should have a minimum ground wire loop.
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-VO (pin 8) -VI (pin 3)
Fig. 2
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
Turn-off Input Voltage (VIoff)
The input voltage is monitored and the PKC DC/DC power module will turn on and turn off at predetermined levels. The levels can be decreased by means of an external resistor connected between pin 1 and pin 5. A 80 kW resistor will decrease the shutdown voltage below 17 V. To maintain the nominal output voltage at input voltages below VI min it may be necessary to decrease the load.
Warranty
Ericsson Microelectronics warrants to the original purchaser or end user that the products conform to this Data Sheet and are free from material and workmanship defects for a period of five (5) years from the date of manufacture, if the product is used within specified conditions and not opened. In case the product is discontinued, claims will be accepted up to three (3) years from the date of the discontinuation. For additional details on this limited warranty we refer to Ericsson Microelectronics AB's "General Terms and Conditions of Sales", or individual contract documents.
Maximum Capacitive Load
The maximum recommended capacitance connected direct t the PKC DC/DC power modules output without resistance or inductance in series is 100 mF/A (output current rating). Connect capacitors across the load for maximum effectiveness and maximum stability margins.
Limitation of liability
Ericsson Microelectronics does not make any other warranties, expressed or implied including any warranty of merchantability or fitness for a particular purpose (including, but not limited to, use in life support applications, where malfunctions of product can cause injury to a person's health or life).
Over Voltage Protection (OVP)
The remote control can be utilized also for OVP by using the external circuitry in fig. 2. Resistor values are for 5 V output applications, but can easily be adjusted for other output voltages and the desired OVP level.
Current Limiting Protection
The output power is limited at loads above the output current limiting threshold (Ilim), specified as a minimum value. As the PKC multiple output models are power limited, current limiting threshold for an individual output is set by the loads on the other outputs. The power module can withstand continuous short circuit without destruction. A hick-up mode is used on all models to minimize the internal power dissipation. The hick-up time constant is set by the slow start.
Quality
Reliability
Meantime between failure (MTBF) is calculated and verified by field data statistics to >2 million hours at full output power and a case temperature of 75C, using the Ericsson failure rate data system. For more information see Design Note 002.
Quality Statement
The products are designed and manufactured in an industrial environment where quality systems and methods like ISO 9000, 6 s and SPC, are intensively in use to boost the continuous improvements strategy. Infant mortality or early failures in the products are screened out by a burn-in procedure and an ATEbased final test. Conservative design rules, design reviews and product qualifications, plus the high competence of an engaged work force, contribute to the high quality of our products.
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R3) (c) Ericsson Microelectronics AB, June 2000
Information given in this data sheet is believed to be accurate and reliable. No responsibility is assumed for the consequences of its use nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Ericsson Microelectronics. These products are sold only according to Ericsson Microelectronics' general conditions of sale, unless otherwise confirmed in writing. Specifications subject to change without notice.
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Product Program
VO/IO max VI Output 1 5 V/3 A 12 V/1.5 A 24 V +12 V/1.2 A +15 V/1 Aki +5 V/3 A +5 V/3 A +5 V/3 A -12 V/1.2 A -15 V/1 AA +12 V/0.6 A +15 V/0.5 A +12 V/0.6 A ki -12 V/0.6 A -15 V/0.5 A -5 V/1 Al Output 2 Output 3 15 W 18 W 18 W 18 W 15 W 15 W 15 W PKC 2111 PI PKC 2113 PI PKC 2121 PI PKC 2126 PI PKC 2131 PI PKC 2132 PI PKC 2135 PI PO max Ordering No.
Ericsson Microelectronics AB SE-164 81 KISTA, Sweden Phone: +46 8 757 5000 www.ericsson.com/microelectronics For local sales contacts, please refer to our website or call: Int. +46 8 757 4700, Fax: +46 8 757 4776
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Data Sheet
EN/LZT 146 24 R1A (Replaces EN/LZT 137 01 R1) (c) Ericsson Microelectronics AB, June 2000

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