ILC6376 Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

ILC6376

0.5A, 300kHz, SO-8 PWM/PFM Step Down Converter with Shutdown

Fairchild Semiconductor 

ILC6376/77

Pin Assignments

VIN 1

8 LX

EXT2 2

P_BST 3

S/D, 4

CSS

ILC6376/77

(TOP VIEW)

7 EXT1

6 GND

5 VOUT

ILC6376/77 SOXX

SO-8 Package

VIN 1

8 LX

EXT2 2

P_BST 3

S/D, 4

CSS

ILC6376/77

(TOP VIEW)

7 EXT1

6 GND

5 FB

ILC6376/77 SOADJ

SO-8 Package

Pin Definitions

Pin

Symbol

1

VIN

2

EXT2

3

P-BST

4

S/D,

Softstart, VREF

5

VOUT / FB

6

GND

7

EXT1

8

LX

Function

Power Supply

External gate drive pin (low when P-Ch FET is ON)

P-Ch gate boost

Shutdown, also soft-start capacitor pin and VREFoutput

Output voltage sense pin for ILC6376/77SO-XX; 1V feedback pin for

ILC6376/77SO-ADJ

Ground connection

External gate drive pin (low when P-Ch FET is ON)

Inductor Switch Pin

Internal Block Diagram

VIN 1

VOUT 5

S/D, 4

Softstart,

Vref

S/D,

Vref

with

Soft-

start

8 LX

+

Error

Amp

-

Protection

+

PWM

Comp

-

PWM/PFM

CONTROLLER

RAMP WAVE

GENERATOR,

OSCILLATOR

GATE

DRIVER

7 EXT1

2 EXT2

3 P_BST

6 GND

©2001 Fairchild Semiconductor Corporation

2

Share Link: