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参数资料
| 型号： | PSR122.5-7-7IPY |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 5/11页 |
| 文件大小： | 652K |
| 代理商： | PSR122.5-7-7IPY |
Industrial Environment
Switching Regulators, PCB & Chassis
PSR Series
Edition 4/4.99
3/11
MELCHER
The Power Partners.
Electrical Input Data
General Conditions:
TA = 25°C, unless TC is specified
Table 2a: Input data
Input
PSA 55
PSR 54
PSR 53
PSR 52
Characteristics
Conditions
min typ max
Unit
Ui
Operating input voltage
Io = 0...Io nom
7
35
7
40
8
80
8
80
V DC
DUio min Min. diff. voltage Ui – Uo 1
TC min...TC max
2
233
Ui o
Undervoltage lock-out
6.3
7.3
Ii 0
No load input current
Io = 0, Ui min...Ui max
45
40
mA
Iinr p
Peak value of inrush current
Ui nom
75
150
A
tinr r
Rise time
2.5
s
tinr h
Time to half-value
15
ui RFI
Input RFI level, EN 55011/22
Ui nom, Io nom
B 2
B 3
0.01...30 MHz
External Input Circuitry
The sum of the lengths of the supply lines to the source or
to the nearest capacitor
≥100 F or to the nearest external
input filter which includes such a capacitor (a + b) should
not exceed 0.3 m (0.5 m twisted). An external input filter
(FP 38 or FP 80, see:
Accessory Products) is recom-
mended in order to prevent power line oscillations and re-
duce superimposed interference voltages. See also:
Tech-
nical Information: Application Notes.
Vi+
Gi–
Vo+
Go–
a
b
+
04016
Fig. 2
Switching regulator with long supply lines.
Table 2b: Input data
Input
PSR 122.5
PSR 152.5
PSR 242
PSR 362
Characteristics
Conditions
min typ max
Unit
Ui
Operating input voltage
Io = 0...Io nom
15
80
19
80
29
80
42
80
V DC
DUio min Min. diff. voltage Ui – Uo 1
TC min...TC max
3
456
Ui o
Undervoltage lock-out
7.3
12
19
Ii 0
No load input current
Io = 0, Ui min...Ui max
35
40
mA
Iinr p
Peak value of inrush current
Ui nom
150
A
tinr r
Rise time
2.5
s
tinr h
Time to half-value
15
ui RFI
Input RFI level, EN 55011/22
Ui nom, Io nom
B 3
0.01...30 MHz
1 The minimum differential voltage DUio min between input and output increases linearly by 0 to 1 V between TA = 46°C and 71°C
(
TC = 70 °C and 95°C)
2 With input filter FP 38 (connected between Uii and Gi, see: Accessory Products) and Ce = 470 F/40 V
3 With input filter FP 80 (connected between Uii and Gi, see: Accessory Products) and Ce = 470 F/100 V
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