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RT8025 - High Efficiency PWM Step-Down DC/DC Converter

Features

  • The RT8025 is a high-efficiency pulse-width-modulated (PWM) step-down DC/DC converter. Capable of delivering 400mA output current over a wide input voltage range from 2.5 to 5.5V, the RT8025 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. No external Schottky.

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Datasheet Details

Part number RT8025
Manufacturer Richtek
File Size 208.23 KB
Description High Efficiency PWM Step-Down DC/DC Converter
Datasheet download datasheet RT8025 Datasheet

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Full PDF Text Transcription

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RT8025 1.25MHz, 400mA, High Efficiency PWM Step-Down DC/DC Converter General Description Features The RT8025 is a high-efficiency pulse-width-modulated (PWM) step-down DC/DC converter. Capable of delivering 400mA output current over a wide input voltage range from 2.5 to 5.5V, the RT8025 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. No external Schottky diode is required in practical application. The RT8025 automatically turns off the synchronous rectifier while the inductor current is low and enters discontinuous PWM mode.
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