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參數(shù)資料
| 型號(hào)： | PSC246-9LIRC |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 7/13頁(yè) |
| 文件大小： | 223K |
| 代理商： | PSC246-9LIRC |
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PSC Series Extended Data Sheet
Positive Switching Regulators (Rugged)
REV. MAY 12, 2004
Page 3 of 13
Electrical Input Data
General Conditions:
TA = 25°C, unless TC is specified
Table 2a: Input data
Input
PSC 126
PSC 156
PSC 246
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Vi
Operating input voltage 1
Io = 0 - Io nom
18
144
22
144
31
144
VDC
DVio min Min. diff. voltage Vi – Vo
TC min - TC max
67
7
Vi o
Undervoltage lock-out
12
15
19
Ii 0
No load input current
Io = 0, Vi min - Vi max
35
mA
Iinr p
Peak value of inrush current
Vi nom
250
A
tinr r
Rise time
without option L
55
5
s
tinr h
Time to half-value
40
Iinr p
Peak value of inrush current
Vi nom
350
A
tinr r
Rise time
with option L
25
s
tinr h
Time to half-value
125
ui RFI
Input RFI level, EN 55011/22
Vi nom, Io nom
AAA
0.15 - 30 MHz
with option L
B 2
Table 2b: Input data
Input
PSC 366
PSC 486
Characteristics
Conditions
min
typ
max
min
typ
max
Unit
Vi
Operating input voltage 1
Io = 0 - Io nom
44
144
58
144
VDC
DVio min Min. diff. voltage Vi – Vo
TC min - TC max
810
Vi o
Undervoltage lock-out
29
40
Ii 0
No load input current
Io = 0, Vi min - Vi max
40
45
mA
Iinr p
Peak value of inrush current
Vi nom
250
A
tinr r
Rise time
without option L
55
s
tinr h
Time to half-value
40
Iinr p
Peak value of inrush current
Vi nom
350
A
tinr r
Rise time
with option L
25
s
tinr h
Time to half-value
125
ui RFI
Input RFI level, EN 55011/22
Vi nom, Io nom
AA
0.15 - 30 MHz
with option L
B 2
1 Surges up to 156 V for 2 s (complying to LES-DB standard for VBat. = 110 V).
2 With external input capacitor Ce = 470
F/200 V and option L.
External Input Circuitry
The sum of the lengths of the supply lines to the source or
to the nearest capacitor
≥100 F (a + b) should not exceed
5 m unless option L is fitted. This option is recommended in
order to prevent power line oscillations and reduce super-
imposed interference voltages. See also:
Technical Infor-
mation: Application Notes.
Vi+
Gi–
Vo+
Go–
a
b
+
04016
Fig. 2
Switching regulator with long supply lines.
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