参数资料
| 型号： | PSC5A10-7IR |
| 厂商： | Power-One |
| 文件页数： | 9/17页 |
| 文件大小： | 0K |
| 描述： | SWITCHING REGULATOR 51W 5.1V |
| 标准包装： | 1 |
| 系列： | * |
PSC, PSL Series Data Sheet
?
Table 4f: Output data. General conditions as per table 4a
Positive Switching Regulators
Output
PSC366 / PSL366
PSC486 / PSL486
Unit
Characteristics
Conditions
min
typ
max
min
typ
max
V o
Output voltage
V i nom , I o nom
35.78
36.22 47.71
48.29
V
I o
I oL
Output current
Output current limitation
V i min – V i max
T C min – T C max
0
6.0
6.0
7.8
0
6.0
6.0
7.8
A
v o
Output
voltage
noise
Switching freq.
Total
V i nom , I o nom
IEC/EN 61204
BW = 20 MHz
50
54
90
94
55
95
110
115
mV pp
? V o V
? V o l
v o d
t d
α Vo
Static line regulation
Static load regulation
Dynamic
Voltage deviat.
load
Recovery time
regulation
Temperature coefficient
? V o / ? T C ( T C min – T C max )
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
V i min – V i max
I o = 0 – I o nom
200
120
140
100
300
200
±0.02
100
180
150
100
200
250
±0.02
mV
μs
%/K
V o
v od
V o ±1 %
V o ±1 %
I o / I o nom
t d
v od
t d
1.0
0.9
0.8
05031a
forced
cooling
I o / I o nom
t
0.7
0.6
convection cooling
T C max
1
0.5
0.4
0.5
0
≥ 10 μs
≥ 10 μs
05102c
t
0.3
0.2
0.1
Fig. 4
Switching regulator with long supply lines.
0
T A min
50
60
70
80
90
°C
T A
Fig. 5b
Thermal Considerations
When a switching regulator is located in free, quasi-stationary
air (convection cooling) at a temperature T A = 71 °C and is
I o / I o nom
Output current derating versus temperature (models -7 or - 9)
operated at I o nom , the case temperature T C will be about 95 °C
after the warm-up phase, measured at the measuring point of
case temperature T C ; see Mechanical Data .
Under practical operating conditions, the ambient temperature
1.0
0.9
05032a
T A may exceed 71 °C, provided that additional measures (heat
sink, fan, etc.) are taken to ensure that the case temperature T C
0.8
0.7
0.6
0.5
Convection cooling
Forced
cooling
T C max
does not exceed its maximum value of 95 °C.
Example: Sufficient forced cooling allows T A max = 85 °C. A
simple check of the case temperature T C ( T C ≤ 95 °C) at full
load ensures correct operation of the system.
0.4
0.3
0.2
0.1
0
T A min
40
50
60
70
80 [°C]
T A
Fig. 5a
Output current derating versus temperature (models -2)
BCD20027-G Rev AA, 18-May-2011
Page 9 of 17
www.power-one.com
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