MIC4575 查看數據表（PDF） - Micrel

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产品描述 (功能)

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MIC4575

200kHz Simple 1A Buck Regulator

Micrel 

Micrel, Inc.

Ordering Information

Part Number

Standard

RoHS Compliant*

Voltage

MIC4575-3.3BT MIC4575-3.3WT

3.3V

MIC4575-5.0BT MIC4575-5.0WT

5.0V

MIC4575BT

MIC4575WT

Adj.

MIC4575-3.3BU MIC4575-3.3WU

3.3V

MIC4575-5.0BU MIC4575-5.0WU

5.0V

MIC4575BU

MIC4575WU

Adj.

* RoHS compliant with ‘high-melting solder’ exemption.

Temperature Range

–40° to +85°C

–40° to +85°C

–40° to +85°C

–40° to +85°C

–40° to +85°C

–40° to +85°C

MIC4575

Package

5-Pin TO-220

5-Pin TO-220

5-Pin TO-220

5-Pin TO-263

5-Pin TO-263

5-Pin TO-263

Pin Configuration

5-Pin TO-220 (T)

5 SHDN

4 FB

3 GND

2 SW

1 VIN

5-Pin TO-263 (U)

Pin Description

Pin Number

1

2

3, TAB

4

5

Pin Name

IN

SW

GND

FB

SHDN

Pin Function

Supply Voltage (Input): Unregulated +4V to +40V 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.

July 2009

2

M9999-072909

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