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RT8057A

Richtek
Part Number RT8057A
Manufacturer Richtek
Description 2.25MHz 1A Synchronous Step-Down Converter
Published Oct 10, 2021
Detailed Description ® RT8057A 2.25MHz 1A Synchronous Step-Down Converter General Description The RT8057A is a high efficiency Pulse-Width-...
Datasheet PDF File RT8057A PDF File

RT8057A
RT8057A

Overview
® RT8057A 2.
25MHz 1A Synchronous Step-Down Converter General Description The RT8057A is a high efficiency Pulse-Width-Modulated (PWM) step-down DC/DC converter, capable of delivering 1A output current over a wide input voltage range from 2.
7V to 5.
5V.
The RT8057A is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs, hand-held devices, game console and related accessories.
The internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode.
No external Schottky diode is required in practical applications.
The RT8057A enters Low Dropout Mode when normal Pulse -W...


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