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参数资料
| 型号： | 48IMS7-05-9Z |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 6.1 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 9/14页 |
| 文件大小： | 174K |
| 代理商： | 48IMS7-05-9Z |
REV. JUN 14, 2004
4/14
Electrical Input Data
General conditions:
–TA = 25
°C, unless TC is specified.
– Connector pins i and Vi– interconnected.
– R input not connected.
Table 2: Input Data
Input
24 IMS
48 IMS
Characteristics
Conditions
min
typ
max
min
typ
max
Unit
Ui
Input voltage range 1
TAmin...TA max
14
36
75
V DC
Ui nom
Input voltage (nominal)
Io = 0...Io nom
24
48
Ui sur
Repetitive surge
Abs. max input (3 s)
50
100
voltage
tstart up
Converter 2
switch on
Worst case condition at
0.25
0.5
0.25
0.5
s
start-up time
inh. release
Ui min and full load
0.1
trise
Rise time 2
Ui nom, Io = Io nom
resistive load
5
ms
capacitive load
12
Iio
No load input current
Io = 0, Ui min...Ui max
12
24
6
12
mA
C i
Input capacitance
for surge calculation
0.8
0.5
F
Uih
Inhibit voltage
Converter operating
–10...0.8
–10 ...0.8
V DC
Converter inhibited
open, 2.4...
Ui max
open, 2.4...
Ui max
Iih
Inhibit current
Converter operating
–0.5
mA
Converter inhibited
1
Ii ih
Input current
Ui min...Ui max
3.0
if unit inhibited
Iinr p
Peak inrush current 4
Ui = Ui nom
4.0
3.9
A
fs
Switching frequency
Ui min...Ui max, Io = 0...Io nom
approx. 330
kHz
Ii rr
Reflected ripple current
Io = 0...Io nom
40
30
mApp
Ui RFI
Input RFI level
EN 55022 3
BB
conducted and radiated
1 Ui min will not be as stated if Uo is increased above Uo nom by use of the R input pin. If the output voltage is set to a higher value, Ui min
will be proportionally increased.
2 Measured with a resistive or max. admissible capacitive load. (See fig.: Converter start-up and rise time).
3 Measured with a lead lenght of 0.1 m, leads twisted. Double output units with both outputs in parallel.
4 Source impedance according to ETS 300132-2.
5 The level of the switching frequency band varies with the output voltage configuration. (See also fig.: Switching frequency versus
input voltage and load.)
Uo nom
Uo
tstart up
trise
t
04008
Fig. 5
Converter startup and rise time
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