24IMS7-05-9 查看數據表（PDF） - Bel Fuse Inc.
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24IMS7-05-9 Datasheet PDF : 14 Pages
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IMX7, IMS7 Series Data Sheet
7-Watt DC-DC Converters
Table 2b: Input data of IMS7; general conditions as in table 2a
Input
Characteristics
Conditions
min
Vi
Input voltage range1
TC min – TC max
14
Vi nom Nominal input voltage
Io = 0 – Io nom
Vi sur Repetitive surge voltage
abs. max input (3 s)
tstart up Converter 2 switch on Worst case condition at
start-up time inh. release Vi min and full load
t rise
Rise time 2
Vi nom
Io nom
resistive load
capacitive load
Ii o
No load input current
Io = 0, Vi min – Vi max
Ci
Input capacitance
(for surge calculation)
Vinh Inhibit voltage
converter operating
–10
converter inhibited
2.4
Iinh
Inhibit current
Ii inh
Iinr p
fs
I i rr
Vi RFI
Input current when the
converter is inhibited
Inrush peak current
Switching frequency
Reflected ripple current
Input RFI level conducted
converter operating
converter inhibited
Vi min – Vi max
Vi = Vi nom 4
Vi min – Vi max, Io = 0 – Io nom
Io = 0 – Io nom
EN 55022 3
24IMS7
typ
24
0.4
5
12
12
0.8
or open
– 0.5
1
max
36
50
0.6
0.1
24
+0.8
Vi max
3
4.0
approx. 330
40
A
48IMS7
Unit
min
typ
max
36
75
V
48
100
0.3
0.6
s
0.1
5
ms
12
6
12
mA
0.5
µF
–10
+0.8
V
2.4
Vi max
or open
– 0.5
mA
1
3
3.9
approx. 330
30
A
A
kHz
mApp
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 length of 0.1 m, leads twisted. Double-output models with both outputs in parallel. 70 /110 IMX7 models need an
external capacitor at the input, e.g. 1 µF film or ceramic.
4 Source impedance according to ETS 300132-2, version 4.3, at Vi nom
BCD20007-G Rev AF, 31-Jul-2015
MELCHER
The Power Partners.
Page 5 of 14
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