SM8121A Ver la hoja de datos (PDF) - Nippon Precision Circuits

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componentes Descripción

Lista de partido

SM8121A

White LED Driver IC

Nippon Precision Circuits  

BLOCK DIAGRAM

SM8121A

SW

FB

VDD

Buff

PWM

COMP

ERR

AMP

VREF

RAMP

GENERATOR

CE

OSC

SOFT

START

VSS

PIN DESCRIPTION

Number

SOT23-5

SON-6

1

1

2

2, 5

3

6

4

4

5

3

1. Input with built-in pull-down resistor

Name

SW

VSS

FB

CE

VDD

I/O

Description

O

Coil switching

–

GND

I

Feed back (Output current detection)

Ip1

Chip enable (High active)

–

Power supply

NIPPON PRECISION CIRCUITS INC.—3

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