参数资料
| 型号： | PSB126-2 |
| 厂商： | Power-One |
| 文件页数： | 8/15页 |
| 文件大小： | 0K |
| 描述： | SWITCHING REGULATOR 72W 12V |
| 标准包装： | 1 |
| 系列： | * |
PSB Series Data Sheet
?
Table 3e: Output data. General conditions as per table 3a
Positive Switching Regulators
Model
PSB243
PSB363
PSB483
Unit
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
V o
I o max
Output voltage
Output current
V i nom , I o nom
V i min – 80 V
23.86
4.0
24.14 35.78
4.0
36.22
47.71
4.0
48.29
V
A
I oL
Output current limitation
T C min – T C max
4.0
5.2
4.0
5.2
5.0
5.2
v o
Output
voltage
noise
Switching freq.
Total
V i nom , I o nom
IEC/EN 61204
BW = 20 MHz
45
50
120
125
70
75
180
185
90
95
190
195
mV pp
? V o V
? V o l
v o d
t d
Static line regulation
Static load regulation
Dynamic
Voltage deviat.
load
Recovery time
regulation
V i min – V i max , I o nom
V i nom , I o = 0 – I o nom
V i nom
I o nom ? 1 / 3 I o nom
IEC/EN 61204
70
70
120
80
150
120
100
120
140
100
200
160
150
150
150
100
300
250
mV
μs
α Vo
V o
Temperature coefficient
? V o / ? T C ( T C min – T C max )
v od
V o ±1 %
V i min – V i max
I o = 0 – I o nom
V o ±1 %
±0.02
I o / I o nom
±0.02
±0.02
%/K
1.0
05031a
v od
0.9
forced
I o / I o nom
t d
t d
t
0.8
0.7
0.6
convection cooling
cooling
T C max
1
0.5
0.4
0.3
0.3
0
≥ 10 μs
≥ 10 μs
05010a
t
0.2
0.1
Fig. 3
0
T A min
50
60
70
80
90
°C
T A
Switching regulator with long supply lines.
Fig. 4b
Thermal Considerations
When a switching regulator is located in free, quasi-stationary
air (convection cooling) at a temperature T A = 71 °C and is
operated at I o nom , the case temperature T C will be about 95 °C
I o / I o nom
Output current versus temperature (models -7 or - 9 and with
V i max ≤ 80 V)
after the warm-up phase, measured at the measuring point of
case temperature T C ; see Mechanical Data .
I o / I o max
V i ≤ 80 V
1.0
05032a
1.0
05027a
0.9
0.8
0.7
0.6
0.5
Convection cooling
Forced
cooling
T C max
0.9
0.8
0.7
0.6
0.5
V i > 80 V
V i ≤ 80 V
V i > 80 V
0.4
0.4
0.3
0.2
0.1
0
T A min
40
50
60
70
80 [°C]
T A
0.3
0.2
0.1
0
46
50
60
70
83
80
90
°C
T A max
T C max
T A , T C
Fig. 4a
Output current versus temperature (models -2)
Fig. 4c
Output current versus temperature (models with V i max = 144 V)
BCD20026-G Rev AA, 18-May-2011
Page 8 of 15
www.power-one.com
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