272
www.power-one.ch
Edition 5/05.2001
Efficiency up to 96%
Low input-output differential voltage
No derating over temperature
PSB Series
3...8 A Switching Regulators
Input voltage up to 144 V DC
Single output of 5.1...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]
[%]
5.1
4...5
15...144
25.5
80
PSB 5A4-7iR
-9, L, P, C
5.1
6
8...80
30.6
81
PSB 5A6-7iR
-9, L, P, C
5.1
7
7...40
35.7
84
PSB 5A7-7iR
-9, L, P, C
5.1
8
7...40
40.8
81
PSB 5A8-2
iR-Package
12
3...4
18...144
48
89
PSB 123-7iR
-9, L, P, C
12
5
15...80
60
90
PSB 125-7iR
-9, L, P, C
12
6
15...40
72
90
PSB 126-2
iR-Package
15
3...4
22...144
60
90
PSB 153-7iR
-9, L, P, C
15
5
19...80
75
92
PSB 155-7iR
-9, L, P, C
15
6
15...40
90
92
PSB 156-2
iR-Package
24
3...4
31...144
96
94
PSB 243-7iR
-9, L, P, C
24
5
29...80
120
95
PSB 245-7iR
-9, L, P, C
24
6
29...60
144
95
PSB 246-2
iR-Package
36
3...4
44...144
144
90
PSB 153-7iR
-9, L, P, C
36
5
42...80
180
92
PSB 155-7iR
-9, L, P, C
48
3...4
58...144
192
96
PSB 483-7iR
-9, L, P, C
273
www.power-one.ch
Edition 5/05.2001
Chassis Mountable
PSB Series
Input
Input voltage
refer to selection chart
No load input current
50 mA
Output
Efficiency
U
i nom
,
I
o nom
up to 96%
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. 0.25%
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 (built-in fuse with option C installed)
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 in each output
typ. 150 %
U
o nom
Safety
Approvals
EN 60950, UL 1950, CSA C22.2 No. 950
Protection degree
IP 20
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
274
www.power-one.ch
Edition 5/05.2001
PSB Series
3...8 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
Additional internal input filter
L
Output voltage adjustment
8%
U
o nom
P
Thyristor crowbar on output
C
275
www.power-one.ch
Edition 5/05.2001
Mechanical data
Tolerances
0.3 mm (0.012") unless otherwise indicated.
101 (3.98") (for M3 mounting screws)
(32.5 (1.28")
Vi+
Gi
Vo+
Go
i
G
R
106 (4.17")
32.2 (1.27")
69 (2.72")
36.5 (1.44")
S09014
Measuring point of
case temperature
T
C
3.1 (0.12")
6 (0.24")
2.8 x 0.8
(0.11 x 0.03")
6.3 x 0.8
(0.25 x 0.03")
5 (0.2")
Accessories
Isolation pads for easy and safe PCB mounting
Ring core chokes for ripple and interference reduction
European
Projection
Chassis Mountable
PSB Series
PDF 
ZIP