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PSS, PSK Series
9...25 A Switching Regulators
Input voltage up to 144 V DC Single output of 3.3...48 V DC No input to output isolation
* Efficiency up to 97% * Low input-output differential voltage * No derating over temperature
Selection chart
Output Uo nom Io nom [V DC] [A] 3.3 25 5.1 12 5.1 14 5.1 16 5.1 18 5.1 20 5.1 25 12 (15) 9 12 (15) 12 12 (15) 12 12 (15) 14 12 (15) 16 12 (15) 18 12 (15) 20 24 9 24 12 24 12 24 14 24 16 24 18 24 20 36 9 36 12 36 12 36 16 36 20 48 9 48 12 Input voltage Ui [V DC] 8...40 8...80 8...40 8...80 8...40 8...80 8...40 18...144 15...80 18...144 16...40 15...80 16...40 15...80 31...144 29...80 31...144 29...60 29...80 29...60 29...80 44...144 42...80 44...144 42...80 42...80 58...144 58...144 Rated power Po tot [W] 82.5 61.2 71.4 81.6 91.8 102 127.5 108 (135) 144 (180) 144 (180) 168 (210) 192 (240) 216 (270) 240 (300) 216 288 288 336 384 432 480 324 432 432 576 720 432 576 Efficiency htyp [%] 82 79 83 79 82 79 82 91 91 91 90 90 90 90 94 94 94 94 94 94 94 96 96 96 95 95 97 97 Type Options
PSK 3E25-7 PSS 5A12-7 PSS 5A14-2 PSK 5A16-7 PSK 5A18-2 PSK 5A20-7 PSK 5A25-7 PSS 129-7 PSS 1212-7 PSK 1212-7 PSS 1214-2 PSK 1216-7 PSK 1218-2 PSK 1220-7 PSS 249-7 PSS 2412-7 PSK 2412-7 PSS 2414-2 PSK 2416-7 PSK 2418-2 PSK 2420-7 PSS 369-7 PSS 3612-7 PSK 3612-7 PSK 3616-7 PSK 3620-7 PSS 489-7 PSK 4812-7
-9, E, P, B, B1 -9, E, P, C, B, B1 B, B1 -9, E, P, C, B, B1 B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 B, B1 -9, E, P, C, B, B1 B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 B, B1 -9, E, P, C, B, B1 B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1 -9, E, P, C, B, B1
284
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Edition 5/05.2001
Cassette Style
Input
Input voltage No load input current
PSS, PSK Series
refer to selection chart 50 mA
Output
Efficiency Output voltage setting accuracy Output voltage switching noise Line regulation Load regulation Minimum load Current limitation Operation in parallel Hold-up time
Ui nom, Io nom Ui nom, Io nom IEC/EN 61204, total Ui min...Ui max, Io nom Ui nom, 0...Io nom not required rectangular U/I characteristic current sharing feature (CS) Ui nom, Io nom, with ext. diode in input line, PSS
up to 97% 0.6% Uo nom typ. 0.2% typ. 0.2% typ. 0.15% 0A typ. 110% Io nom up to 7 ms
Protection
Input reverse polarity Input undervoltage lockout Input transient protection Output Output overvoltage Overtemperature built-in fuse typ. 80% Ui min suppressor diode no-load, overload and short circuit proof suppressor diode in each output switch-off with auto restart
typ. 150% Uo nom TC typ. 100C
Control
Inhibit R control Output voltage indication Sense lines Test sockets TTL input, output enabled if left open output voltage adjustment, PSS 0...108% Uo nom LED compensation of voltage drop across the load lines, PSS test sockets for check of output voltage
Safety
Approvals Protection degree Electric strength test voltage EN 60950, UL 1950, CSA C22.2 No. 950 units without options I/case and O/case IP 20/30 500/750/1500 V DC
EMC
Electrostatic discharge Electromagnetic field Electr. fast transients/bursts Surge Conducted disturbances Electromagnetic emissions IEC/EN 61000-4-2 IEC/EN 61000-4-3 IEC/EN 61000-4-4 IEC/EN 61000-4-5 IEC/EN 61000-4-6 CISPR 22/EN 55022
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Edition 5/05.2001
285
PSS, PSK Series
Environmental
Operating ambient temperature Operating case temperature TC Storage temperature Operating ambient temperature Operating case temperature TC Storage temperature Damp heat Vibration, sinusoidal Shock Bump Random vibration MTBF
9...25 A Switching Regulators
-2, Ui nom, Io nom, convection cooled -2, Ui nom, Io nom -2, non operational -7, Ui nom, Io nom, convection cooled -7, Ui nom, Io nom -7, non operational IEC/EN 60068-2-3 IEC/EN 60068-2-6 IEC/EN 60068-2-27 IEC/EN 60068-2-29 IEC/EN 60068-2-64 MIL-HDBK-217 -10...50C -10...80C -25...100C -25...71C -25...95C -40...100C
Options
Large and small cooling plate instead of standard heatsink Extended temperature range -40...71C, ambient, operating Electronic inrush current limitation Output voltage adjustment 8% Uo nom, excludes feature R and vice versa Thyristor crowbar on output B/B1 -9 E P C
Accessories
Front panels 19" (Schroff/Intermas), 12 und 16 TE Mating H15 or H15 S4 connectors with screw, solder, fast-on or press-fit terminals Connector retention facilities Adapter kit for DIN-rail
Pin allocation
Electrical Determination Output voltage (positive) Output voltage (positive) Output voltage (negative) Output voltage (negative) Crowbar trigger input (option C) Inhibit input R-input (output voltage programming) 1 Sense line (negative) Sense line (positive) Current sharing control input Protective ground (leading pin) Input voltage (negative) Input voltage (negative) Input voltage (positive) Input voltage (positive) Type H15 Pin No. Ident. 4 Vo+ 6 Vo+ 8 Go- 10 Go- 12 C 14 i 16 R 18 S- 20 S+ 22 CS 24 26 Gi- 28 Gi- 30 Vi+ 32 Vi+ Type H15 S4 Pin No. Ident. 4/6 8/10 12 14 16 18 20 22 24 26/28 30/32 Vo+ Go- C i R S- S+ CS
Gi- Vi+
286
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Edition 5/05.2001
Cassette Style
Mechanical data
Tolerances 0.3 mm (0.012") unless otherwise indicated.
PSS, PSK Series
European Projection
PSK
159 (6.25") 4.5 (0.18") 7 TE 9 TE
Measuring point of case temperature TC
50 (1.97")
171.93 (6.77") (DIN 41494) 168.5 (6.63")
S09029
6.5 (0.26")
111 (3U) (4.37")
89 (3.50")
LED OK Potentiometer (option P) Test sockets
80 (3.15")
Pin allocation
S10010
S10010
Connector type H15 30 26 22 18 14 10 6
Connector type H15 S4 26/28 22 18 14 10/8
32 28 24 20 16 12 8
4
32/30
24 20 16 12
4/6
H15 S4 connectors for 20 and 25 A types
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Edition 5/05.2001
287
PSS, PSK Series
PSS
9...25 A Switching Regulators
171.93 (DIN 41494) (6.77") M4 Measuring point of case temperature TC 7 TE 5 TE
152 (5.98") 11.8 (0.46")
111 (3U) 4.37")
100 (3.93")
LED OK Potentiometer (option P) Test sockets
60 (2.36")
168.5 (6.63")
S09028
288
25.9 (1.02")
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Edition 5/05.2001

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