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參數(shù)資料
| 型號： | 70IMX7-24-24-9D |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 7 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 8/13頁 |
| 文件大小： | 274K |
| 代理商： | 70IMX7-24-24-9D |
IMX 7-Family
DC-DC Converters <40 W
Rugged Environment
6 - 20
Edition 2/96 - Melcher AG
MELCHER
The Power Partners.
6.1
Electrical Input and Output Data
General conditions:
TA = 25°C, unless TC is specified.
Table 6: Input Data
Input
20 IMX 7
40 IMX 7
70 IMX 7
Characteristics
Conditions
min
typ max
min
typ max
min
typ max
Unit
Ui
Input voltage range 1
TA min...TA max
8.4
36
16.8
75
40
121
V DC
Ui nom
Input voltage (nominal)
Io = 0...Io nom
20
40
70
Ui sur
Repetitive surge
max. 3 s
100
voltage
max. 10 ms
45
55
t start up
Converter 2
Worst case condition at
0.25
0.5
0.25
0.5
0.25
0.5
s
start-up time
Ui min and full load
t ris
Rise time 2
Ui nom, Io nom
resistive load
5
ms
capacitive load
12
Iio
No load input current
Io = 0, Ui min...Ui max
15
30
8
15
8
15
mA
I i rr
Reflected
Io = 0...Io nom
30
mApp
ripple current
Ui RFI
Input RFI level
EN 55022 4
BBB
conducted and radiated
Ci
Input capacitance
for surge calculations
1.2
0.5
F
Uih
Inhibit voltage 3
Converter operating
–10...0.8
–10 ...0.8
V DC
Converter inhibited
open, 2.4...
Ui max
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
fs
Switching frequency
Ui min...Ui max, Io = 0...Io min
approx. 400
kHz
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. admissable capacitive load. (See fig. below)
3 Switching times are typically 10 ms for transition from one state to another.
4 Measured with a lead lenght of 0.1 m, leads twisted. Double output units with both outputs in parallel.
5 See 19 Pfl 1, "Electromagnetic Immunity".
Uo nom
Uo
tstart up
trise
t
Fig. 4
Converter start-up and rise time
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