8014AIRZ Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

8014AIRZ

4A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

Renesas Electronics 

ISL8014A

Typical Application

INPUT 2.8V TO 5.5V

C1

2 x 22µF

R1

100k

VIN

LX

VDD

EN

PGND

ISL8014A

VFB

PG

L

1.5µH

OUTPUT

1.8V

C2

2 x 22µF

R2

124k

C3

47pF

R3

100k

SYNCH

SGND

Block Diagram

SYNCH

SSOoFfTt

START

SHUTDOWN

-

EN

BANDGAP 0.8V

EAMP

-

27pF

390k

OSCILLATOR

+

COMP

-

VFB

3pF

+

SHUTDOWN

PWM/PFM

LOGIC

CONTROLLER

PROTECTION

DRIVER

6k

SLSOloPpEe

COMP

PG

SGND

+

0.736V -

1ms

DELAY

+

OCP

-

+

CSA

-

1.4V

+

SKIP-

0.5V

ZERO-CROSS

SENSING

0.2V

-

SCP

+

VIN

LX

PGND

FN7525 Rev 2.00

December 16, 2014

Page 3 of 16

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