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date 01/08/2019
page 1 of 5
SERIES: PSK-15B DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
up to 15 W continuous power
universal input: 85~264 Vac
compact encapsulated design
single output from 5 Vdc ~ 48 Vdc
short circuit, over voltage protection, over current protection
4000 Vac isolation
no load power consumption <100 mW
output output output ripple efficiency
MODEL
1
voltage current power and noise
max max typ typ
(Vdc) (A) (W) (mVp-p) (%)
PSK-15B-S5 5 2.8 14 100 81.37
PSK-15B-S9 9 1.6 14.4 100 84.28
PSK-15B-S12 12 1.25 15 120 84.50
PSK-15B-S15 15 1 15 150 84.50
PSK-15B-S24 24 0.625 15 240 84.50
PSK-15B-S48 48 0.32 15.4 480 84.63
Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, output terminated with 10 F electrolytic and 0.1 F ceramic capacitors.
2. All specifications are measured at Ta=25C, nominal input voltage, and 75% rated output load unless otherwise specified.
PART NUMBER KEY
PSK-15B - SXX
Base Number
Output Voltage
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CUI Inc SERIES: PSK-15B DESCRIPTION: AC-DC POWER SUPPLY date 01/08/2019 page 2 of 5
INPUT
parameter conditions/description min typ max units
85 264 Vac
voltage
120 370 Vdc
frequency 47 63 Hz
current 0.4 A
inrush current at 240 Vac, 25C, cold start 60 A
leakage current 0.25 mA
no load power consumption 0.10 W
OUTPUT
parameter conditions/description min typ max units
5 Vdc output model 2,800 F
9 Vdc output model 1,600 F
12 Vdc output model 1,250 F
capacitive load
15 Vdc output model 1,000 F
24 Vdc output model 625 F
48 Vdc output model 320 F
initial set point accuracy at full load, 25C 2 %
line regulation high line to low line at full load 0.5 %
load regulation 10%~100% load 1 %
hold-up time at 115 Vac 12 ms
switching frequency 65 kHz
temperature coefficient 0.05 %/C
PROTECTIONS
parameter conditions/description min typ max units
over voltage protection hiccup, auto recovery
over current protection 110 %
short circuit protection hiccup, auto recovery
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output 4,000 Vac
safety approvals IEC62368-1/60950-1, UL62368-1/60950-1
safety class class II
EN 55032 Class B, FCC Part 15 Class B, EN 61000-
EMI/EMC 6-3, EN 61000-3-2, EN 61000-3-3, EN 55024,
EN 61204-3, EN 61000-6-1
MTBF as per MIL-STD-217F, at 115 Vac, 25C, GB 300,000 hours
life time at 40C, 75% load 3 years
RoHS yes
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curve -25 70 C
storage temperature -40 85 C
operating humidity non-condensing 93 %
operating altitude 5000 m
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