MIC4685(2002) データシートの表示（PDF） - Micrel
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MIC4685 Datasheet PDF : 15 Pages
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MIC4685
Functional Characteristics
Switching Frequency Foldback
200kHz
70kHz
TIME
Normal
Operation
Short
Circuit
Operation
Typical
Frequency Foldback
The MIC4685 folds the switching frequency back during a
hard short circuit condition to reduce the energy per cycle and
protect the device.
Load Transient
VIN = 12V
VOUT = 5V
IOUT = 1.0A to 0.1A
TIME (25µs/div.)
Micrel
5.1V
5V
1A
0A
MIC4685
8
September 2002
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