Additional Resources:
Product Page
date
12/12/2014
page
1 of 7
SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
ED
FEATURES
up to 75 W continuous power
universal input (90~264 Vac)
built-in constant current limit circuitry
alarm signal for AC OK and battery low
short circuit, over load, over voltage, brown-out,
battery low, and battery polarity protections
• withstand 2G vibration test
• efficiency up to 88%
output
voltage
output
current1
(Vdc)
max
(A)
Vo1
Vo2
13.8
13.8
PSF-75-B
Vo1
Vo2
Vo3
13.8
13.8
5
PSF-75-C
Vo1
Vo2
27.6
27.6
PSF-75-D
Vo1
Vo2
Vo3
27.6
27.6
5
efficiency
max
(W)
max
(mVp-p)
typ
(%)
5.5
2.07
75
100
150
86
4.4
2.07
3
75
100
150
100
85
2.75
1.15
75
100
150
88
2.2
1.15
3
75
100
150
100
87
O
1. Vo2 battery discharge current must not exceed 50% of the rated power.
2. Maximum total combined power (rated power).
3. At 20 MHz bandwidth using a 12” twisted pair-wire, each output terminated with a 47 µF and 0.1 µF parallel capacitors.
IS
C
Notes:
ripple
and noise3
N
PSF-75-A
output
power2
TI
MODEL
N
U
•
•
•
•
•
D
PART NUMBER KEY
Base Number
PSF-75 - X - XXX
Output Voltage
A = 13.8 Vdc, 13.8 Vdc
B = 13.8 Vdc, 13.8 Vdc, 5 Vdc
C = 27.6 Vdc, 27.6 Vdc
D = 27.6 Vdc, 27.6 Vdc, 5 Vdc
cui.com
Chassis
“blank” = open frame
CNF = enclosed
Additional Resources:
Product Page
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
date 12/12/2014
page 2 of 7
INPUT
parameter
conditions/description
min
typ
voltage
surge voltage
for maximum of 5 seconds
frequency
47
current
at 115 Vac
at 230 Vac
inrush current
at 115 Vac, cold start
at 230 Vac, cold start
leakage current
at 264 Vac
conditions/description
line regulation
low line to high line, at rated load
Vo1, Vo3
load regulation
10% to 100% rated load
Vo1
Vo3
voltage accuracy
Vo1
Vo3
hold-up time
at 115 Vac, full load
at 230 Vac, full load
setup time
at 115/230 Vac, full load, cold start
rise time
at 115/230 Vac, full load
adjustability
Vo1
temperature coefficient
Vo1, 0°C~50°C
AC OK
PSF-75-A, PSF-75-C
PSF-75-B, PSF-75-D
TTL open collector output
relay contact output
battery low
PSF-75-A, PSF-75-B
PSF-75-C, PSF-75-D
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