RT8540A Datasheet (Richtek) - High Power Synchronous Boost Converter

RT8540A, High Power Synchronous Boost Converter

The RT8540A is a high-efficiency, high-current Boost converter in all single-cell Lithium-ion / polymer battery operated products.

The RT8540A maintains output current regulation by switching the internal high side and low side switch transistors.

The transistor switches are pulse-width modulated at

RT8540A Features

* z Input Voltage Range : 2.8V to 5.5V z True Load Disconnect z Internal Synchronous Rectifier z Up to 90% Efficiency with Small Magnetics z Current Mode PWM Operation with Internal Compensation z Internal Soft-Start Control z Flexible on/off Control by I2C or EN. z Short Circuit Protection z Input Cu