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Edition 5/05.2001
PSA, PSR Series 1...6 A Switching Regulators
Input voltage up to 144 V DC
Single output of 3.3...48 V DC
No input to output isolation
Selection chart
Output Input voltage Rated power Efficiency Type Options
U
o nomIo nom
U
i
P
o tot
h
typ
[V DC] [A] [V DC] [W] [%]
3.3 6 5...35 19.8 80 PSA 3E6-2 iRY -Package
5 2 8...80 10 74 PSR 52-7 Y
5 3 8...80 15 79 PSR 53-7 -9, i, P, R, Y
5 4 7...40 20 83 PSR 54-7 -9, i, P, R, Y
5 5 7...35 25 83 PSA 55-7 -9, i, P, R, Y
5.1 2 8...40 10.2 75 PSA 5A2-2 iRY -Package
5.1 5 7...35 25.5 83 PSA 5A5-2 iRY -Package
12 1.5 18...144 18 87 PSA 121.5-7iR -9, P, Y
12 2.5 15...80 30 87 PSR 122.5-7 -9, i, P, R, Y
12 3 15...40 36 89 PSA 123-2 iRY-Package
15 1.5 22...144 22.5 89 PSA 151.5-7iR -9, P, Y
15 2.5 19...80 37.5 89 PSR 152.5-7 -9, i, P, R, Y
15 3 19...40 45 90 PSA 153-2 iRY-Package
24 1.5 31...144 36 93 PSA 241.5-7iR -9, P, Y
24 2 29...80 48 92 PSR 242-7 -9, i, P, R, Y
24 2.5 29...60 60 93 PSA 242.5-2 iRY -Package
36 1.2 44...144 43.2 95 PSA 361-7iR -9, P , Y
36 2 42...80 72 94 PSR 362-7 -9, i, P, R, Y
48 1 58...144 48 95 PSA 481-7iR -9, P, Y
• Efficiency up to 95%
• Low input-output differential voltage
• No derating over temperature
• Board or chassis mountable
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Edition 5/05.2001
Chassis Mountable PSA, PSR Series
Input
Input voltage refer to selection chart
No load input current ≤50 mA
Output
Efficiency
U
i nom
,
I
o nom
up to 95 %
Output voltage setting accuracy
U
i nom
,
I
o nom
±0.6%
U
o nom
Output voltage switching noise IEC/EN 61204, total typ. 0.3%
Line regulation
U
i min
...
U
i max
,
I
o nom
typ. ±0.3 %
Load regulation
U
i nom
, 0...
I
o nom
typ. 0.3 %
Minimum load not required 0 A
Current limitation rectangular U/I characteristic typ. 110%
I
o nom
Operation in parallel by current limitation
Protection
Input reverse polarity with external fuse
Input undervoltage lockout typ. 80 %
U
i min
Input transient protection suppressor diode
Output no-load, overload and short circuit proof
Output overvoltage suppressor diode typ. 150%
U
o nom
Safety
Approvals EN 60950, UL 1950, CSA C22.2 No. 950
Protection degree IP 20/40
Electric strength test voltage I/case and O/case 500/750/1500 V DC
EMC
Electrostatic discharge IEC/EN 61000-4-2
Electromagnetic field IEC/EN 61000-4-3
Electr. fast transients/bursts IEC/EN 61000-4-4
Surge IEC/EN 61000-4-5
Conducted disturbances IEC/EN 61000-4-6
Electromagnetic emissions CISPR 22/EN 55022
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Edition 5/05.2001
PSA, PSR Series 1...6 A Switching Regulators
Environmental
Operating ambient temperature -2,
U
i nom
,
I
o nom
, convection cooled –10...50 °C
Operating case temperature
T
C
-2,
U
i nom
,
I
o nom
–10...80°C
Storage temperature -2, non operational –25...100 °C
Operating ambient temperature -7,
U
i nom
,
I
o nom
, convection cooled –25...71 °C
Operating case temperature
T
C
-7,
U
i nom
,
I
o nom
–25...95°C
Storage temperature -7, non operational –40...100 °C
Damp heat IEC/EN 60068-2-3
Vibration, sinusoidal IEC/EN 60068-2-6
Shock IEC/EN 60068-2-27
Bump IEC/EN 60068-2-29
Random vibration IEC/EN 60068-2-64
MTBF MIL-HDBK-217
Options
Extended temperature range –40...71°C, ambient, operating -9
Inhibit, TTL input, output(s) enabled if left open i
Output voltage adjustment 0...108%
U
o nom
R
Output voltage adjustment ±8%
U
o nom
P
Small soldering pins 0.5 x 1.0 mm Y
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Edition 5/05.2001
Mechanical data
Tolerances ±0.3 mm (0.012") unless otherwise indicated.
2.8 x 0.5
(0.11 x 0.02")
5 (0.2")
Potentiometer
(option P)
Yellow
LED output
voltage indicator
6.3 (0.25")
18.7 (0.74")
1.2 (0.04")
8.75 (0.34")
65 (2.56")
47.5 (1.87")
Measuring point
of case temperature
Vi+
Vo+
50.2 (2")
2.7 (0.1")
70.2 (2.76")
6.5 (0.25")
25.2 (1")
7 (0.27")
S09015
20.5 (0.8")
1.0 x 0.5
(0.04 x 0.02")
option Y
Go– i
R
Gi–
European
Projection
Accessories
Isolation pads for easy and safe PCB mounting
Filters and ring core chokes for ripple and interference reduction
Adapter kit for DIN-rail and chassis mounting
Chassis Mountable PSA, PSR Series
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