MIC4685(2002) Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

MIC4685
(Rev.:2002)

3A SPAK SuperSwitcher™ Buck Regulator

Micrel 

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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