Datasheet > LXDC3EP18F-264

LXDC3EP18F-264

更新时间： 2024-11-06 22:57:03

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LXDC3EP18F-264 数据手册

LXDC3EP TypeF series

Micro DC-DC converter

1. Features

 Low EMI noise and small footprint (11mm²)using inductor-imbedded ferrite substrate

 High efficiency using synchronous rectifier technology at 4MHz operation.

 Power-Save mode / Forced PWM automatic mode switching function

 2% DC output voltage accuracy (PWM mode).

 1A maximum load capability

 Wide input voltage range : 2.5 - 5.5V

 Fixed output voltage : 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V

 Internal soft start, over current protection, thermal shutdown protection

2. Description

The LXDC3EP series is a 1A output step-down DCDC converter, which is suitable for a space-limited or a

noise-sensitive application. The device utilizes an inductor-embedded ferrite substrate, and the substrate

eliminates radiated EMI noise and conduction noise efficiently.

By just putting this device, it can be used as a LDO replacement. Its low noise feature and easy to assembly

feature assures reliable power supply quality.

The LXDC3EP series has a mode pin that allows the user to select Forced PWM mode or Power-Save mode that

changes modes between pulse-skip operation and forced PWM operation automatically depending on the load.

In Power-Save mode, LXDC3EP series offers superior efficiency under light load condition, and it extends the

battery life. When Forced PWM mode is selected, it works at fixed frequency (4MHz) over all load range. The

advantages of this mode are easy filtering of switching frequency and better load transient response.

The integrated over current protection and the thermal shutdown protection features offer a reliable power supply

operation.

3. Typical Application Circuit

February 2016

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