cui.com

date 07/13/2020

│ page 2 of 7

CUI Inc

│ SERIES: PSK-45 │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

ac input

dc input

85

100

264

370

Vac

Vdc

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

1.5

0.75

A

inrush current

at 115 Vac

at 230 Vac

50

70

A

no load power consumption

at 230 Vac

0.5

W

OUTPUT

parameter

conditions/description

min

typ

max

units

capacitive load

5 Vdc output

12 Vdc output

15 Vdc output

24 Vdc output

48 Vdc output

30,000

6,400

5,600

2,000

600

μF

initial set point accuracy

at full load

±2

%

line regulation

rated load

±0.5

%

load regulation

0%~100% load

±1.0

%

hold-up time

at 115 Vac

at 230 Vac

8

50

ms

temperature coefficient

±0.02

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

5 Vdc output, clamp or hiccup

12 Vdc output, clamp or hiccup

15 Vdc output, clamp or hiccup

24 Vdc output, clamp or hiccup

48 Vdc output, clamp or hiccup

9

16

24

35

56

V

over current protection

auto recovery

110

%

short circuit protection

hiccup, continuous, auto recovery

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output

4,000

Vac

safety approvals

UL/cUL, EN, IEC 62368

safety class

Class II

EMI/EMC

CISPR 32/EN 55032 Class B

ESD

IEC/EN 61000-4-2 Contact ±6KV/Air ±8KV, perf. Criteria B

radiated immunity

IEC/EN 61000-4-3 10 V/m, perf. Criteria A

EFT/burst

IEC/EN 61000-4-4 ±4KV, perf. Criteria B

surge

IEC/EN 61000-4-5 line to line +/-2kV/line to ground +/-4kV (see recommended EMC circuit)

IEC/EN 61000-4-5 line to line +/-1kV perf. Criteria B

conducted immunity

IEC/EN 61000-4-6 10 Vr.m.s, perf. Criteria A

voltage dips and interruption

IEC/EN 61000-4-11 0%, 70%, perf. Criteria B

MTBF

per MIL-HDBK-217F at 25 °C

300,000

hours

RoHS

yes

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