MIC4682 Ver la hoja de datos (PDF) - Micrel

Número de pieza

componentes Descripción

Fabricante

MIC4682

Precision Current Limit SOIC-8 SuperSwitcher™ Buck Regulator

Micrel 

Micrel, Inc.

Ordering Information

Part Number

Standard

Pb-Free

Voltage

MIC4682BM

MIC4682YM

Adj.

Note: Other Voltage available. Contact Micrel for details.

Junction Temp. Range

–40° to +125°C

MIC4682

Package

8-Pin SOIC

Pin Configuration

FB 1

GND 2

ISET 3

SHDN 4

8 SW

7 GND

6 GND

5 IN

8-Pin Power SOIC (M)

Pin Description

Pin Number

1

2, 6, 7

3

4

5

8

Pin Name

FB

GND

ISET

SHDN

IN

SW

Pin Function

Feedback (Input): Output voltage sense node. Connect to 1.23V-tap of the

output voltage-divider network.

Ground (Return): Ground.

Current Limit Set (Input): Connect an external resistor to ground to set the

current limit. Do not ground or float this pin.

Shutdown (Input): Logic low (<0.8V) enables regulator. Logic high (>2V) shuts

down regulator.

Supply Voltage (Input): Unregulated +4V to +34V supply voltage.

Switch (Output): Internal power emitter of NPN output switch.

June 2007

2

M9999-061507

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