MIC4681_05 MICREL [Micrel Semiconductor], MIC4681_05 Datasheet - Page 8
MIC4681_05
Manufacturer Part Number
MIC4681_05
Description
2A-Peak SuperSwitcher SOP-8 Buck Regulator
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.MIC4681_05.pdf
(16 pages)
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MIC4681
Functional Characteristics
Frequency Foldback
MIC4681
The MIC4681 folds the switching frequency back during a hard
short-circuit condition to reduce the energy per cycle and
protect the device.
Switching Frequency Foldback
200kHz
60kHz
TIME
Normal
Operation
Short
Circuit
Operation
8
Load Transient
TIME (100 s/div)
V
V
OUT
1.5A
IN
= 12V
= 5V
April 2005
100mV
0A
Micrel
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