RT8057A converter equivalent, 2.25mhz 1a synchronous step-down converter.
* 2.7V to 5.5V Wide Input Operation Range
* 2.25MHz Fixed-Frequency PWM Operation
* Up to 1A Output Current
* Up to 90% Efficiency
* 0.6V Reference Al.
The RT8057A enters Low Dropout Mode when normal Pulse -Width Mode cannot provide regulated output voltage by continuous.
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 .
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