MIC4576-5.0WU 데이터 시트보기 (PDF) - Micrel

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MIC4576-5.0WU

200kHz Simple 3A Buck Regulator

Micrel 

MIC4576

Ordering Information

Standard

Part Number

MIC4576-3.3BT

MIC4576-5.0BT

MIC4576BT

MIC4576-3.3BU

MIC4576-5.0BU

MIC4576BU

RoHS Compliant

Part Number*

MIC4576-3.3WT

MIC4576-5.0WT

MIC4576WT

MIC4576-3.3WU

MIC4576-5.0WU

MIC4576WU

Voltage

3.3V

5.0V

ADJ.

3.3V

5.0V

ADJ.

Temperature Range

–40ºC to +85ºC

–40ºC to +85ºC

–40ºC to +85ºC

–40ºC to +85ºC

–40ºC to +85ºC

–40ºC to +85ºC

* RoHS compliant with "high-melting solder" exemption.

Package

TO-220-5

TO-220-5

TO-220-5

TO-263-5

TO-263-5

TO-263-5

Pin Configuration

5 SHDN

4 FB

3 GND

2 SW

1 VIN

5-Pin TO-220 (T)

5 SHDN

4 FB

3 GND

2 SW

1 VIN

5-Pin TO-263 (U)

Micrel, Inc.

Pin Description

Pin Number

1

2

3, TAB

4

5

Pin Name

VIN

SW

GND

FB

SHDN

Pin Function

Supply Voltage (Input): Unregulated +4V to +36V supply voltage.

Switch (Output): Emitter of NPN output switch. Connect to external storage

inductor and Shottky diode.

Ground

Feedback (Input): Output voltage feedback to regulator. Connect to output

of supply for fixed versions. Connect to 1.23V tap of resistive divider for

adjustable versions.

Shutdown (Input): Logic low enables regulator. Logic high (> 2.4V) shuts

down regulator.

MIC4576

2

March 2006

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