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參數資料
| 型號： | 12H3020-7D3 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 3-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE H02, MODULE |
| 文件頁數： | 14/19頁 |
| 文件大小： | 356K |
| 代理商： | 12H3020-7D3 |
H Series Data Sheet
50 Watt DC-DC Cassette Converters
REV. MAR 27, 2006
Page 4 of 19
www.power-one.com
Electrical Input Data
General conditions:
–
TA = 25 °C, unless TC is specified.
– Connector pins 2 and 23 interconnected, R input not connected.
Table 2: Input data
Input
12H
24H
48H
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Vi
Operating input voltage
Io = 0 to Io nom
8
1514
3028
60
VDC
..H1901-2R
TC min to TC max
9
1518
3036
60
Vi nom Nominal input voltage
12
24
48
Ii
Input current
Vi nom, Io nom 1
5.0
2.5
1.3
A
Pi 0
No-load input power:
Vi nom
Single output
I o1,2,3 = 0
1
1.5
1
1.5
1
1.5
W
Double output
4
6
4
6
4
6
Triple output
4
6
4
6
4
6
Pi inh
Idle input power
inhibit mode
2
Iinr p 3 Peak inrush current
Vi = Vi max
380
350
A
tinr r
Rise time
RS = 0
Ω 2
60
50
20
μs
tinr h
Time to half value
TC = 25°C
110
75
40
Ri
Input resistance
TC = 25 °C
40
80
175
m
Ω
Ci
Input capacitance
2200
3300
750
1200
190
300
μF
Ui abs Input voltage limits
0
20
0
40
0
80
VDC
without any damage
1 With multiple output modules, the same condition for each output applies.
2 RS = source resistance
3 Iinr p = Vi/(Rs + Ri)
Input Under-/Overvoltage Lockout
If the input voltage remains below 0.8
Vi min or exceeds
1.1
Vi max (approx. values), an internally generated inhibit
signal disables the output(s). When checking this function
the absolute maximum input voltage rating
Vi abs must be
carefully considered (see table:
Electrical Input Data).
Between
Vi min and the undervoltage lockout level the output
voltage may be below the value defined in table:
Output
data (see: Technical Information: Measuring and Testing).
Reverse Polarity
The converter is not protected against reverse polarity at
the input. (Reverse polarity will cause the external fuse to
blow.)
Input Fuse
The converters do not incorporate any fuse. External fuses
installed in the wiring to the inputs are essential.
Table 3: Recommended fuse types
Series
Schurter type
Part number
12H
SPT
10 A
250 V
0001.2514
24H
SPT
8 A
250 V
0001.2513
48H
SPT
3.15 A
250 V
0001.2509
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