268
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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 nom
I
o 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
269
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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
270
www.power-one.ch
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
271
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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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