参数资料
型号: 20IMX35-12-12-8I
元件分类: 电源模块
英文描述: 2-OUTPUT 35 W DC-DC REG PWR SUPPLY MODULE
文件页数: 15/18页
文件大小: 320K
代理商: 20IMX35-12-12-8I
Board Mountable
DC-DC Converters
IMX 35 Series
Edition 1/01.2001
6/18
Electrical Input Data
General conditions:
– TA = 25
°C, unless T
C is specified.
– Shut down pin left open circuit (not connected).
– Trim not connected.
Table 2: Input Data
Input
20 IMX
40 IMX
Characteristics
Conditions
min
typ
max
min
typ
max
Unit
Ui
Input voltage range 1
TA min...TA max
9 2
36
18 2
75
V DC
Ui nom
Nominal input voltage
Io = 0...Io nom
20
40
Ui sur
Repetitive surge voltage
Abs. max input (3 s)
40
100
tstart up
Converter
Switch on
Worst case condition at
0.25
0.5
0.25
0.5
s
start-up time 2
SD high
Ui min and full load
0.1
trise
Rise time 3
Ui nom resist load
5
ms
Io nom capac. load
10
20
10
20
Ii o
No load input current
Io = 0, Ui min...Ui max
70
50
mA
Iirr
Reflected ripple current
Io = 0...Io nom
30
Iinr p
Inrush peak current 4
Ui = Ui nom
89
A
C i
Input capacitance
for surge calculation
1.5
0.75
F
USD
Shut down voltage
Unit shut down
–10...0.7
V DC
Unit operating
open-circuit or 2...20
RSD
Shut down input resistance
For current calculations
approx. 10
k
ISD
Input current if unit
Ui min...Ui max
12
6
mA
shut down
fs
Switching frequency
Ui min...Ui max, Io = 0...Io nom
approx. 220
kHz
ui RFI
Input RFI level, conducted
EN 55022 5
B 6
1 Ui min will not be as stated if Uo is increased above Uo nom by use of Trim input. If the output voltage is set to a higher value,
Ui min will be proportionately increased.
2 Input undervoltage lock-out at typ. 90% of Ui min.
3 Measured with resistive and max. admissible capacitive load.
4 Source impedance according to prETS 300132-2, version 4.3.
5 Measured with a lead length of 0.1 m, leads twisted.
6 External capacitor required.
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