• short circuit, over load, over voltage, brown-out,
battery low, and battery polarity protections
• withstand 2G vibration test
• efficiency up to 88%
MODEL
PSF-75-A
PSF-75-B
PSF-75-C
PSF-75-D
Notes:
output
voltage
(Vdc)
TI
N
U
output
current
1
max
(A)
output
power
2
max
(W)
Vo1
Vo2
Vo1
Vo2
Vo3
Vo1
Vo2
Vo1
Vo2
Vo3
13.8
13.8
13.8
13.8
5
27.6
27.6
5.5
2.07
75
4.4
2.07
3
2.75
1.15
75
N
27.6
27.6
5
2.2
1.15
3
Base Number
75
75
IS
C
PART NUMBER KEY
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.
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
Chassis
“blank” = open frame
CNF = enclosed
D
cui.com
ED
ripple
and noise
3
max
(mVp-p)
FEATURES
efficiency
typ
(%)
100
150
86
85
88
87
100
150
100
100
150
100
150
100
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PSF-75
│
DESCRIPTION:
AC-DC POWER SUPPLY
date
12/12/2014
page
2 of 7
INPUT
parameter
voltage
surge voltage
frequency
current
inrush current
leakage current
at 115 Vac
at 230 Vac
at 115 Vac, cold start
at 230 Vac, cold start
at 264 Vac
for maximum of 5 seconds
47
conditions/description
min
90
127
typ
max
264
373
300
63
units
Vac
Vdc
Vac
Hz
A
A
A
A
parameter
line regulation
load regulation
voltage accuracy
hold-up time
setup time
rise time
adjustability
temperature coefficient
AC OK
battery low
conditions/description
TI
N
U
min
typ
±0.5
±0.5
±1.5
±2
±3
8
50
800
30
±10
±0.03
TTL open collector output
relay contact output
<12 V ±3%
<22 V ±3%
min
115
110
100
9.5
19
10
20
typ
min
3,000
1,500
500
100
typ
125,600
105,200
cui.com
OUTPUT
low line to high line, at rated load
Vo1, Vo3
10% to 100% rated load
Vo1
Vo3
Vo1
Vo3
at 115 Vac, full load
at 230 Vac, full load
at 115/230 Vac, full load, cold start
at 115/230 Vac, full load
Vo1
Vo1, 0°C~50°C
PSF-75-A, PSF-75-C
PSF-75-B, PSF-75-D
PSF-75-A, PSF-75-B
PSF-75-C, PSF-75-D
PROTECTIONS
parameter
over voltage protection
over current protection
battery cut off
O
conditions/description
N
Vo1, latch off mode
IS
C
auto recovery, hiccup mode
Vo1, Vo3
Vo2
PSF-75-A, PSF-75-B
PSF-75-C, PSF-75-D
SAFETY & COMPLIANCE
parameter
conditions/description
isolation voltage
input to output
input to ground
output to ground
D
isolation resistance
input to output at 500 Vdc
safety approvals
EMI/EMC
1
MTBF
RoHS
Note:
UL 60950-1, EN 60950-1
EN 55022, EN 61000-6-(1,3), EN 61000-3-(2,3),
EN 55024, EN 50204, EN 61204-3, EN 61000-4-(2, 3, 4, 5, 6, 8, 11)
PSF-75-A, PSF-75-B as per MIL-HDBK-217F
PSF-75-C, PSF-75-D as per MIL-HDBK-217F
2011/65/EU
hrs
hrs
1. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives.
ED
1.5
1.0
35
70
1
mA
max
units
%
%
%
%
%
ms
ms
ms
ms
%
%/°C
max
150
units
%
%
%
10.5
21
Vdc
Vdc
max
units
Vac
Vac
Vac
MΩ
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PSF-75
│
DESCRIPTION:
AC-DC POWER SUPPLY
date
12/12/2014
page
3 of 7
ENVIRONMENTAL
parameter
operating temperature
storage temperature
operating humidity
storage humidity
vibration
non-condensing
non-condensing
at 10~500 Hz, 10 min per cycle for 60 minutes
each test along the X, Y, and Z axis
conditions/description
see derating curve
min
-20
-40
20
10
typ
max
70
85
90
90
units
°C
°C
%
%
G
DERATING CURVES
Load vs. Temperature
100
80
60
50
40
20
0
-20
Safe operating area
TI
N
U
100
80
60
40
20
0
Load (%)
Load (%)
-10
0
10
20
30
40
50
60
70
90
95
100
Ambient Temperature (°C)
parameter
dimensions
weight
conditions/description
N
cui.com
MECHANICAL
min
open frame: 123 x 95 x 31
enclosed: 129.5 x 97.5 x 37.5
D
IS
C
O
open frame
enclosed
ED
2
Load vs. Input Voltage
(at 25°C)
~
~
105
110
115
120
264
Input Voltage (Vac) 60 Hz
typ
max
units
mm
mm
0.33
0.46
kg
kg
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PSF-75
│
DESCRIPTION:
AC-DC POWER SUPPLY
date
12/12/2014
page
4 of 7
MECHANICAL DRAWING
OPEN FRAME
units: mm
CN1 Pin Connections
PIN
1
2
3
4
5
6
7
1
8
2
Function
AC/L
AC/N
FG
⏚
-Vo1
+Vo1
+Vo2 (+ BAT)
-Vo2 (- BAT)
+Vo3 (+5 V)
1 2
3 4
1
2
3
PIN
CN2 Pin Connections
Function
PSF-75-A, PSF-75-C
3
AC OK
BAT LOW
PSF-75-A: (13.8 V/20 mA)
PSF-75-C: (27.6 V/20 mA)
PSF-75-B, PSF-75-D
4
AC OK
BAT LOW
CNF
units: mm
CN1 Pin Connections
PIN
1
2
3
4
5
6
Function
AC/L
AC/N
FG
⏚
-Vo1
IS
C
3
+Vo1
+Vo2 (+ BAT)
-Vo2 (- BAT)
7
1
1 2
3 4
8
2
+Vo3 (+5 V)
Notes:
D
1. To protect product damage do not connect the GND port with -BAT port.
2. PSF-75-B and PSF-75-D only.
3. For PSF-75-A & PSF-75-C, CN2 mates with JST XHP-3 or equivalent
and JST SXH-001 T-P0.6 or equivalent.
4. For PSF-75-B & PSF-75-D, CN2 mates with JST XHP-4 or equivalent
and JST SXH-001 T-P0.6 or equivalent.
O
PIN
Function
PSF-75-A, PSF-75-C
3
AC OK
1
2
BAT LOW
PSF-75-A: (13.8 V/20 mA)
PSF-75-C: (27.6 V/20 mA)
PSF-75-B, PSF-75-D
4
AC OK
BAT LOW
N
CN2 Pin Connections
TI
N
U
cui.com
ED
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PSF-75
│
DESCRIPTION:
AC-DC POWER SUPPLY
date
12/12/2014
page
5 of 7
BATTERY CHARGING SPECIFICATIONS
Block Diagram
PSF-75-A & PSF-75-C
Function
AC OK
N
Description
Alarm Signal for AC OK and Battery Low
The signal is low when the power
supply turns on
O
Battery
Low
Notes:
The signal is high when the power
supply turns off
The signal is low when the voltage of
the battery is below:
12 V (PSF-75-A), 22 V (PSF-75-C)
IS
C
The signal is high when the voltage of
the battery is above:
12 V (PSF-75-A), 22 V (PSF-75-C)
1. Alarm signal is sent out through “AC OK” and “Battery Low” pins.
2. An external voltage source is required for this function. The maximum applied voltage is 50 V and the maximum sink current is 30 mA.
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