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參數資料
| 型號： | 70IMX7-24-24-8G |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 7.2 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-9 |
| 文件頁數： | 9/14頁 |
| 文件大小： | 321K |
| 代理商： | 70IMX7-24-24-8G |
BCD20007 Rev AA
Page 4 of 14
www.power-one.com
IMX7 DC-DC Series Data Sheet
7-Watt DC-DC Converters
Electrical Input Data
General conditions:
–TA = 25°C, unless TC is specified.
– Connector pin i connected with Vi–.
– Trim or R input not connected.
Table 2: Input Data
Input
20IMX7
40IMX7
70IMX7
110IMX7
Characteristics
Conditions
min
typ
max
min
typ max
min
typ max min
typ max Unit
Vi
Input voltage range1
TC min – TC max
8.4
36
16.8 6
75
40
121 60
150
VDC
Vi nom
Nominal input voltage
Io = 0 – Io nom
20
40
70
110
Vi sur
Repetitive surge voltage
abs. max input (3 s)
50 5
100
150
tstart up
Converter 2
switch on
Worst case condition at
0.25
0.5
0.25 0.5
s
start-up time
inh. release
Vi min and full load
0.1
trise
Rise time 2
Vi nom
resistive load
5
ms
Io nom
capacitive load
12
Ii o
No load input current
Io = 0, Vi min – Vi max
15
30
8
15
8
15
8
15
mA
C i
Input capacitance
(for surge calculation)
4.7
0.5
0.2
F
Vinh
Inhibit voltage
converter operating
–10
0.8
–10
0.8
–10
0.8 –10
0.8
V
converter inhibited
2.4
Vi max 2.4
Vi max
or open
Iinh
Inhibit current
converter operating
–0.5
– 0.5
mA
converter inhibited
1
Ii inh
Input current when the
Vi min – Vi max
3.0
converter is inhibited
Iinr p
Inrush peak current
Vi = Vi nom 4
3.8
3.7
4.2
5.6
A
fs
Switching frequency
Vi min – Vi max, Io = 0 – Io nom
approx. 400
approx. 300
kHz
Ii rr
Reflected ripple current
Io = 0 – Io nom
50
30
20
10
mApp
Vi RFI
Input RFI level
EN 55022 3
BB
B
conducted and radiated
1 Vi min will not be as stated, if Vo is increased above Vo nom by use of the R or Trim input. If the output voltage is set to a higher value, Vi min
will be proportionally increased.
2 Measured with a resistive and the 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 IMX7 types need an external
capacitor at the input. (e.g. 1
F film or ceramic)
4 Source impedance according to prETS 300132-2, version 4.3, at Vi nom.
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 Vi min = 14.4 V.
Fig. 3
Converter start-up and rise time
Vo nom
Vo
tstart up
trise
t
04008a
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