Datasheet > LXDC32DAAC-438

LXDC32DAAC-438

更新时间： 2024-09-17 02:44:51

品牌	Logo	应用领域
村田 - MURATA		/
页数	文件大小	规格书
21页	1180K
描述
Low EMI noise and small footprint using inductor-imbedded ferrite substrate

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LXDC32DAAC-438 数据手册

LXDC32D series

Micro DCDC converter

1. Features

 Low EMI noise and small footprint using inductor-imbedded ferrite substrate

 2ch type DCDC converter

 High efficiency using synchronous rectifier technology at 3MHz operation

 PFM/PWM automatic mode switching function

 Smooth mode transition between PFM mode and PWM mode with low-ripple-voltage PFM mode

 2% DC voltage accuracy over full load current range (Vout=1.2~4V)

 Maximum Load Current: 600mA (depends on output voltage)

 Fixed output voltage: 0.8V – 4V (factory setting, 50mV step)

 Internal soft start, overcurrent protection

2. Description

The LXDC32D series is a low power step-down DC-DC converter suitable for space-limited or noise-sensitive

applications. The device utilizes an inductor-embedded ferrite substrate that reduces radiated EMI noise and

conduction noise.

By adding output capacitors, it can be used as an LDO replacement. Its low noise and easy-to-assemble features

assure reliable power supply quality.

The device works in PFM mode at light load for extended battery life. At heavy load, it changes to PMW mode

automatically and maintains high efficiency using synchronous rectifying technology.

The device provides good output voltage accuracy even in PFM mode. It maintains 2% DC voltage accuracy over

the full current range (0-600mA, depends on output voltage), and shows very smooth mode transition between

PFM mode and PWM mode.

3. Typical Application Circuit

LXDC32D

Enable1

Enable2

Vin

EN1

EN2

Vin

Vout1

Vout2

Vout1

Vout2

GND

Cout2

Cout1

Feb. 2016

12 3 4 5 6 7...21

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