PSF-75-A [CUI]
AC-DC POWER SUPPLY;For more information, please visit the product page.
date 12/12/2014
page 1 of 7
SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
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
output
power2
max
ripple
efficiency
MODEL
current1
and noise3
max
max
typ
(Vdc)
(A)
(W)
(mVp-p)
(%)
Vo1
Vo2
13.8
13.8
5.5
2.07
100
150
PSF-75-A
PSF-75-B
PSF-75-C
PSF-75-D
75
75
75
75
86
85
88
87
Vo1
Vo2
Vo3
13.8
13.8
5
4.4
2.07
3
100
150
100
Vo1
Vo2
27.6
27.6
2.75
1.15
100
150
Vo1
Vo2
Vo3
27.6
27.6
5
2.2
1.15
3
100
150
100
Notes:
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.
PART NUMBER KEY
PSF-75 - X - XXX
Chassis
“blank” = open frame
CNF = enclosed
Base Number
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
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date 12/12/2014 page 2 of 7
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
INPUT
parameter
conditions/description
min
typ
max
units
90
127
264
373
Vac
Vdc
voltage
surge voltage
frequency
for maximum of 5 seconds
300
63
Vac
Hz
47
at 115 Vac
at 230 Vac
1.5
1.0
A
A
current
at 115 Vac, cold start
at 230 Vac, cold start
35
70
A
A
inrush current
leakage current
at 264 Vac
1
mA
OUTPUT
parameter
conditions/description
min
typ
max
units
low line to high line, at rated load
Vo1, Vo3
line regulation
load regulation
±0.5
%
10% to 100% rated load
Vo1
Vo3
±0.5
±1.5
%
%
Vo1
Vo3
±2
±3
%
%
voltage accuracy
hold-up time
at 115 Vac, full load
at 230 Vac, full load
8
50
ms
ms
setup time
at 115/230 Vac, full load, cold start
at 115/230 Vac, full load
Vo1
800
ms
ms
rise time
30
adjustability
±10
%
temperature coefficient
Vo1, 0°C~50°C
±0.03
%/°C
PSF-75-A, PSF-75-C
PSF-75-B, PSF-75-D
TTL open collector output
relay contact output
AC OK
PSF-75-A, PSF-75-B
PSF-75-C, PSF-75-D
<12 V ±3%
<22 V ±3%
battery low
PROTECTIONS
parameter
conditions/description
min
typ
max
units
over voltage protection
Vo1, latch off mode
115
150
%
auto recovery, hiccup mode
Vo1, Vo3
Vo2
over current protection
battery cut off
110
100
%
%
PSF-75-A, PSF-75-B
PSF-75-C, PSF-75-D
9.5
19
10
20
10.5
21
Vdc
Vdc
SAFETY & COMPLIANCE
parameter
conditions/description
min
typ
max
units
input to output
input to ground
output to ground
3,000
1,500
500
Vac
Vac
Vac
isolation voltage
isolation resistance
safety approvals
input to output at 500 Vdc
UL 60950-1, EN 60950-1
100
MΩ
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)
EMI/EMC1
PSF-75-A, PSF-75-B as per MIL-HDBK-217F
PSF-75-C, PSF-75-D as per MIL-HDBK-217F
125,600
105,200
hrs
hrs
MTBF
RoHS
2011/65/EU
Note:
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.
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date 12/12/2014 page 3 of 7
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
ENVIRONMENTAL
parameter
conditions/description
min
-20
-40
20
typ
max
70
units
°C
operating temperature
storage temperature
operating humidity
storage humidity
see derating curve
85
°C
non-condensing
non-condensing
90
%
10
90
%
at 10~500 Hz, 10 min per cycle for 60 minutes
each test along the X, Y, and Z axis
vibration
2
G
DERATING CURVES
Load vs. Temperature
Load vs. Input Voltage
(at 25°C)
100
80
100
80
60
50
40
60
Safe operating area
40
20
0
20
0
-20
-10
0
10
20
30
40
50
60
70
90
95
100
105
110
115
120
264
Ambient Temperature (°C)
Input Voltage (Vac) 60 Hz
MECHANICAL
parameter
conditions/description
min
typ
max
units
open frame: 123 x 95 x 31
enclosed: 129.5 x 97.5 x 37.5
mm
mm
dimensions
weight
open frame
enclosed
0.33
0.46
kg
kg
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date 12/12/2014 page 4 of 7
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
MECHANICAL DRAWING
OPEN FRAME
units: mm
CN1 Pin Connections
CN2 Pin Connections
Function
PIN
1
Function
AC/L
PIN
PSF-75-A, PSF-75-C3
AC OK
2
AC/N
1
2
3
FG ⏚
BAT LOW
4
-Vo1
PSF-75-A: (13.8 V/20 mA)
PSF-75-C: (27.6 V/20 mA)
3
5
+Vo1
PSF-75-B, PSF-75-D4
6
+Vo2 (+ BAT)
-Vo2 (- BAT)
+Vo3 (+5 V)
1 2
3 4
71
82
AC OK
BAT LOW
CNF
units: mm
CN1 Pin Connections
CN2 Pin Connections
Function
PIN
1
Function
AC/L
PIN
PSF-75-A, PSF-75-C3
AC OK
2
AC/N
1
2
3
FG ⏚
BAT LOW
4
-Vo1
PSF-75-A: (13.8 V/20 mA)
PSF-75-C: (27.6 V/20 mA)
3
5
+Vo1
PSF-75-B, PSF-75-D4
6
+Vo2 (+ BAT)
-Vo2 (- BAT)
+Vo3 (+5 V)
1 2
3 4
71
82
AC OK
BAT LOW
Notes:
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.
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date 12/12/2014 page 5 of 7
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
BATTERY CHARGING SPECIFICATIONS
Block Diagram
Alarm Circuit for
PSF-75-A & PSF-75-C
Alarm Circuit for
PSF-75-B & PSF-75-D
y
PSF-75-A & PSF-75-C
Alarm Signal for AC OK and Battery Low
Function
AC OK
Description
Alarm Output
The signal is low when the power
supply turns on
Low
(0.3 V max. at 30 mA)
The signal is high when the power
supply turns off
High/open
(external voltage < 50 V)
The signal is low when the voltage of
the battery is below:
12 V (PSF-75-A), 22 V (PSF-75-C)
Low
(0.3 V max. at 30 mA)
Battery
Low
The signal is high when the voltage of
the battery is above:
12 V (PSF-75-A), 22 V (PSF-75-C)
High/open
(external voltage < 50 V)
Notes:
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.
Internal Circuit of AC OK and Battery Low
PSF-75-A:
PSF-75-C:
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date 12/12/2014 page 6 of 7
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
BATTERY CHARGING SPECIFICATIONS (CONTINUED)
PSF-75-B & PSF-75-D
Alarm Signal for AC OK and Battery Low
Function
AC OK
Description
Alarm Output
The signal is low when the power
supply turns on
Low or short
The signal is high when the power
supply turns off
High/open
(external voltage < 30 V)
The signal is low when the voltage of
the battery is below:
Low or short
12 V (PSF-75-B), 22 V (PSF-75-D)
Battery
Low
The signal is high when the voltage of
the battery is above:
High/open
(external voltage < 30 V)
12 V (PSF-75-B), 22 V (PSF-75-D)
Notes:
1. Alarm signal is sent out through “AC OK” and “Battery Low” pins (relay contact type).
2. An external voltage source is required for this function. The maximum applied voltage is 30 V and the maximum sink current is 1 A.
Internal Circuit of AC OK and Battery Low
Notes:
1. All specifications measured at 25°C, 230Vac input voltage, and rated power unless otherwise noted.
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date 12/12/2014 page 7 of 7
CUI Inc │ SERIES: PSF-75 │ DESCRIPTION: AC-DC POWER SUPPLY
REVISION HISTORY
rev.
description
date
1.0
initial release
11/25/2013
12/12/2014
1.01
updated datasheet
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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