24IMS7-03-9 查看數據表（PDF） - Bel Fuse Inc.
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24IMS7-03-9 Datasheet PDF : 14 Pages
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IMX7, IMS7 Series Data Sheet
7-Watt DC-DC Converters
Typical Performance Curves
Vo1 [V]
13.5
05088a
13
12.5
Io2 = 0.03 A
12
Io2 = 0.3 A
11.5
11
0.05 0.10 0.15 0.20 0.25 0.3 Io1 [A]
Fig. 9
Cross load regulation (typ.) of double-output models (2 ×12
V). The cross-load effect is negligible.
η [%]
90
80
70
60
50
40
25
50
05052a
Vi nom
Vi max
Vi min
Po
75
100 % Po nom
Fig. 11
Efficiency versus input voltage and load.
Typical values (40IMX7-12-12-8).
Vo1, Vo2 [V]
12.8
05059a
12.4
12
Vo2
Vo1
11.6
11.2
0
30
60
90
120
150
Io1
Io1 nom
[%]
Fig. 10
Flexible load distribution on double-outputs models (2 ×12 V)
with load variation from 0 to 150% of Po1 nom on output 1.
Output 2 loaded with 25% of Po2 nom.
Auxiliary Functions
Inhibit Function
The output(s) of the converter may be enabled or disabled by
means of a logic signal (TTL, CMOS, etc.) applied to the inhibit
pin. No output voltage overshoot will occur, when the converter
is turned on. If the inhibit function is not required, the inhibit pin
should be connected to Vi– to enable the output (active low
logic, fail safe).
Converter operating:
Converter inhibited
or inhibit pin i left open:
–10 V to 0.8 V
2.4 V to Vi max (20/40IMX7,
24/48IMS7)
2.4 V to 75 V (70/110IMX7)
Adjustable Output Voltage
As a standard feature, all IMX7 and IMS7 converters offer
adjustable output voltage(s) by using a control pin. If this pin is
left open-circuit, the output voltage is set to Vo nom. The output
voltage is adjustable in the range of 75 to 105% of Vo nom.The
circuit works for single- and double-output models in a different
way. For output voltages Vo > Vo nom, the minimum input voltage
Vi min (see Electrical Input Data) increases proportionally to Vo/
Vo nom.
BCD20007-G Rev AF, 31-Jul-2015
MELCHER
The Power Partners.
Page 9 of 14
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