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LP3204 - High Efficiency Synchronous PWM Step-Down DC/DC Convert

General Description

The LP3204 is a constant frequency, current mode, PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency.

Key Features

  • include soft start, lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. Features High Efficiency: 96% 1.5MHz Fixed-Frequency PWM Operation Adjustable Output From 0.6V to VIN 800mA Output Current, 1.1A Peak Current No Schottky Diode Required 100% Duty Cycle Low Dropout Operation Available in SOT23-5 Package Short Circuit and Thermal Protection Over Voltage Protection Low than 1µA Shutdown Current.

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Datasheet Details

Part number LP3204
Manufacturer Lowpowersemi
File Size 779.04 KB
Description High Efficiency Synchronous PWM Step-Down DC/DC Convert
Datasheet download datasheet LP3204 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LP3204 1.5MHz, 800mA, High Efficiency Synchronous PWM Step-Down DC/DC Convert General Description The LP3204 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.5V to 5.5V input voltage range makes the LP3204 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. The internal synchronous switch increases efficiency while eliminate the need for an external Schottky diode.