PSS, PSK Series Data Sheet
9 - 25 A Switching Regulator
REV. FEB 09, 2006 Page 1 of 5 www.power-one.com
• RoHS lead solder exemption compliant
• Efficiency up to 97%
• Low input-output differential voltage
• No derating over temperature
Input voltage up to 144 VDC
Single output of 3.3 to 48 VDC
No input-to-output isolation
Selection chart
Output Input voltage Rated power Efficiency Type Options
V
o nom
I
o nom
V
i
P
o tot htyp
[VDC] [A] [VDC] [W] [%]
3.3 25 8 - 40 82.5 82 PSK 3E25-7 -9, E, P, B, B1
5.1 12 8 - 80 61.2 79 PSS 5A12-7 -9, E, P, C, B, B1
5.1 14 8 - 40 71.4 83 PSS 5A14-2 B, B1
5.1 16 8 - 80 81.6 79 PSK 5A16-7 -9, E, P, C, B, B1
5.1 18 8 - 40 91.8 82 PSK 5A18-2 B, B1
5.1 20 8 - 80 102 79 PSK 5A20-7 -9, E, P, C, B, B1
5.1 25 8 - 40 127.5 82 PSK 5A25-7 -9, E, P, C, B, B1
12 (15)19 18 - 144 108 (135) 91 PSS 129-7 -9, E, P, C, B, B1
12 (15)112 15 - 80 144 (180) 91 PSS 1212-7 -9, E, P, C, B, B1
12 (15)112 18 - 144 144 (180) 91 PSK 1212-7 -9, E, P, C, B, B1
12 (15)114 16 - 40 168 (210) 90 PSS 1214-2 B, B1
12 (15)116 15 - 80 192 (240) 90 PSK 1216-7 -9, E, P, C, B, B1
12 (15)118 16 - 40 216 (270) 90 PSK 1218-2 B, B1
12 (15)120 15 - 80 240 (300) 90 PSK 1220-7 -9, E, P, C, B, B1
24 9 31 - 144 216 94 PSS 249-7 -9, E, P, C, B, B1
24 12 29 - 80 288 94 PSS 2412-7 -9, E, P, C, B, B1
24 12 31 - 144 288 94 PSK 2412-7 -9, E, P, C, B, B1
24 14 29 - 60 336 94 PSS 2414-2 B, B1
24 16 29 - 80 384 94 PSK 2416-7 -9, E, P, C, B, B1
24 18 29 - 60 432 94 PSK 2418-2 B, B1
24 20 29 - 80 480 94 PSK 2420-7 -9, E, P, C, B, B1
36 9 44 - 144 324 96 PSS 369-7 -9, E, P, C, B, B1
36 12 42 - 80 432 96 PSS 3612-7 -9, E, P, C, B, B1
36 12 44 - 144 432 96 PSK 3612-7 -9, E, P, C, B, B1
36 16 42 - 80 576 95 PSK 3616-7 -9, E, P, C, B, B1
36 20 42 - 80 720 95 PSK 3620-7 -9, E, P, C, B, B1
48 9 58 - 144 432 97 PSS 489-7 -9, E, P, C, B, B1
48 12 58 - 144 576 97 PSK 4812-7 -9, E, P, C, B, B1
1 These converters (
V
o nom = 12 V) can be adjusted to 15 V using the R-control input.
PSS, PSK Series Data Sheet
9 - 25 A Switching Regulator
REV. FEB 09, 2006 Page 2 of 5 www.power-one.com
Input
Input voltage refer to selection chart
No load input current ≤ 50 mA
Output
Efficiency
V
i nom,
I
o nom up to 97%
Output voltage setting accuracy
V
i nom,
I
o nom ±0.6%
V
o nom
Output voltage switching noise IEC/EN 61204, total typ. 0.2%
Line regulation
V
i min -
V
i max,
I
o nom typ. ±0.2%
Load regulation
V
i nom, 0 -
I
o nom typ. 0.15%
Minimum load not required 0 A
Current limitation rectangular U/I characteristic typ. 110%
I
o nom
Hold-up time
V
i nom,
I
o nom, with ext. diode in input line, PSS up to 7 ms
Protection
Input reverse polarity built-in fuse
Input undervoltage lockout typ. 80%
V
i min
Input transient protection suppressor diode
Output no-load, overload and short circuit proof
Output overvoltage suppressor diode in each output typ. 150%
V
o nom
Overtemperature switch-off with auto restart
T
C typ. 100°C
Control
Inhibit TTL input, output enabled if left open
R control min. adjustable output voltage 0 V
max. adjustable output voltage up to 125%
V
o nom
Output voltage indication LED (except -2)
Sense lines compensation for voltage drop across load lines, PSS
Test sockets test sockets for check of output voltage
Operation in parallel current sharing feature (CS)
Safety
Approvals EN 60950, UL 1950, CSA C22.2 No. 950
Protection degree units without options IP 20/30
Electric strength test voltage I/case and O/case 500/750/1500 VDC
EMC
Electrostatic discharge IEC/EN 61000-4-2
Electromagnetic field IEC/EN 61000-4-3
Electr. fast transients/bursts IEC/EN 61000-4-4
Surge IEC/EN 61000-4-5
Conducted disturbances IEC/EN 61000-4-6
Electromagnetic emissions CISPR 22/EN 55022
PSS, PSK Series Data Sheet
9 - 25 A Switching Regulator
REV. FEB 09, 2006 Page 3 of 5 www.power-one.com
Environmental
Operating ambient temperature -2,
V
i nom,
I
o nom, convection cooled –10 to 50°C
Operating case temperature
T
C-2,
V
i nom,
I
o nom –10 to 80°C
Storage temperature -2, non operational –25 to 100°C
Operating ambient temperature -7,
V
i nom,
I
o nom, convection cooled –25 to 71°C
Operating case temperature
T
C-7,
V
i nom,
I
o nom –25 to 95°C
Storage temperature -7, non operational –40 to 100°C
Damp heat IEC/EN 60068-2-3
Vibration, sinusoidal IEC/EN 60068-2-6
Shock IEC/EN 60068-2-27
Bump IEC/EN 60068-2-29
Random vibration IEC/EN 60068-2-64
MTBF MIL-HDBK-217
Options
Large and small cooling plate instead of standard heatsink B/B1
Extended temperature range –40 to 71°C, ambient, operating -9
Electronic inrush current limitation E
Output voltage adjustment ±8%
V
o nom, excludes feature R and vice versa P
Thyristor crowbar on output 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 Type H15 Type H15 S4
Pin No. Ident. Pin No. Ident.
Output voltage (positive) 4 Vo+ 4/6 Vo+
Output voltage (positive) 6 Vo+
Output voltage (negative) 8 Go– 8/10 Go–
Output voltage (negative) 10 Go–
Crowbar trigger input (option C) 12 C 12 C
Inhibit input 14 i 14 i
R-input (output voltage programming) 1 16 R 16 R
Sense line (negative) 18 S– 18 S–
Sense line (positive) 20 S+ 20 S+
Current sharing control input 22 CS 22 CS
Protective ground (leading pin) 24 24
Input voltage (negative) 26 Gi– 26/28 Gi–
Input voltage (negative) 28 Gi–
Input voltage (positive) 30 Vi+ 30/32 Vi+
Input voltage (positive) 32 Vi+
PSS, PSK Series Data Sheet
9 - 25 A Switching Regulator
REV. FEB 09, 2006 Page 4 of 5 www.power-one.com
32 28 24 20 16 12 8 4
Connector type H15
S10010
30 26 22 18 14 10 6
Connector type H15 S4
S10010
32/30 24 20 16 12 4/6
26/28 22 18 14 10/8
H15 S4 connectors for 20 and 25 A types
Mechanical data
Tolerances ±0.3 mm (0.012") unless otherwise indicated.
European
Projection
159 (6.25") 4.5 (0.18")
89 (3.50")
111 (3U) (4.37")
168.5 (6.63")
80 (3.15")
6.5 (0.26")
7 TE 9 TE
Measuring point of
case temperature
T
C
171.93 (6.77") (DIN 41494)
50 (1.97")
S09029
Potentiometer
(option P)
Test sockets
LED OK
PSK
Pin allocation
PSS, PSK Series Data Sheet
9 - 25 A Switching Regulator
REV. FEB 09, 2006 Page 5 of 5 www.power-one.com
111 (3U) 4.37")
168.5 (6.63")
Measuring point of
case temperature
T
C
60 (2.36")
7 TE 5 TE
25.9
(1.02")
171.93 (DIN 41494) (6.77")
11.8 (0.46")
152 (5.98")
100 (3.93")
M4
S09028
Potentiometer
(option P)
Test sockets
LED OK
PSS
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical
components in life support systems, equipment used in hazardous environments, or nuclear control systems
without the express written consent of the respective divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on
labels, may change depending on the date manufactured. Specifications are subject to change without notice.
