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參數(shù)資料
| 型號(hào)： | 70IMX7-24-8C2 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 7 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 14/18頁(yè) |
| 文件大?。?/td> | 299K |
| 代理商： | 70IMX7-24-8C2 |
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Board Mountable
DC-DC Converters
IMX 7 Series
Edition 6/5.2000
5/18
Electrical Input Data
General conditions:
– TA = 25
°C, unless T
C is specified.
– Connector pins i and Vi– interconnected.
– Trim or R input not connected.
Table 2: Input Data
Input
20 IMX 7
40 IMX 7
70 IMX 7
110 IMX 7
Characteristics
Conditions
min typ max min typ max min typ max min typ max
Unit
Ui
Input voltage range 1
TC min...TC max
8.4
36
16.8 6
75
40
121
60
150
V DC
Ui nom
Nominal input voltage
Io = 0...Io nom
20
40
70
110
Ui sur
Repetitive surge
abs. max input (3 s)
100
voltage
150 V
50 5
4
tstart up
Converter 2
switch on
Worst case condition at
0.25 0.5
s
start-up time
inh. release
Ui min and full load
0.1
trise
Rise time 2
Ui nom
resistive load
5
ms
Io nom
capacitive load
12
Ii o
No load input current
Io = 0, Ui min...Ui max
15
30
8
15
8
15
8
15
mA
C i
Input capacitance
for surge calculation
4.7
0.5
0.2
F
Uinh
Inhibit voltage
unit operating
–10...0.8
–10 ...0.8
V DC
unit inhibited
open or
2.4...
Ui max
2.4...
Ui max
2.4...75
Iinh
Inhibit current
unit operating
–0.5
mA
unit inhibited
1
Ii inh
Input current
Ui min...Ui max
<3.0
if unit shut down
Iinr p
Inrush peak current
Ui = Ui nom 7
3.8
3.7
4.2
5.6
A
fs
Switching frequency
Ui min...Ui max, Io = 0...Io nom approx. 400
approx. 400
approx. 300
kHz
Ii rr
Reflected
Io = 0...Io nom
50
30
20
10
mApp
ripple current
ui RFI
Input RFI level
EN 55022 3
BB
B
conducted and radiated
1 Ui min will not be as stated if Uo is increased above Uo nom by use of the R input. If the output voltage is set to a higher value,
Ui min will be proportionally increased.
2 Measured with a resistive and max. admissible capacitive load.
3 Measured with a lead lenght of 0.1 m, leads twisted. Double output units with both outputs in parallel. 70/110 IMX 7 types need an
external capacitor at the input. (e.g. 1
F film or ceramic)
4 See 19 Pfl 1: Electromagnetic Immunity.
5 The DC-DC converter shuts down automatically at approx. 38 V.
6 Operation at lower input voltage possible: Po approx. 80% of Po nom at Ui min = 14.4 V.
7 Source impedance according to prETS 300132-2, version 4.3, at Ui nom.
Uo nom
Uo
t
trise
t
04008
Fig. 5
Converter start-up and rise time
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