ML4890 Просмотр технического описания (PDF) - Micro Linear Corporation

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Компоненты Описание

производитель

ML4890

High Efficiency, Low Ripple Boost Regulator

Micro Linear Corporation 

ML4890

PIN CONNECTION

ML4890-5/-3/-T

8-Pin SOIC (S08)

VIN

VREF

GND

VOUT

1

8

2

7

3

6

4

5

TOP VIEW

PWR GND

SHDN

VL

VBOOST

PIN DESCRIPTION

PIN

NO. NAME

1 VIN

2 VREF

3 GND

4 VOUT

FUNCTION

Battery input voltage

200mV reference output

Analog signal ground

LDO linear regulator output

PIN

NO. NAME

FUNCTION

5 VBOOST Boost regulator output for connection

of an output filter capacitor

6 VL

7 SHDN

Boost inductor connection

Pulling this pin high shuts down the

regulator, isolating the load from the

input

8 PWR GND Return for the NMOS boost transistor

2

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