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RT8055 - 3A Synchronous Step-Down Converter

General Description

The RT8055 is a high efficiency synchronous, step-down DC/DC converter.

Its input voltage range is from 2.6V to 5.5V and provides an adjustable regulated output voltage from 0.8V to 5V while delivering up to 3A of output current.

Key Features

  • z High Efficiency : Up to 95% z Low RDS(ON) Internal Switches : 100mΩ z Programmable Frequency : 300kHz to 2MHz z No Schottky Diode Required z 0.8V Reference Voltage Allows for Low Output Voltage z Forced Continuous Mode Operation z 100% Duty Cycle Operation z Input Over Voltage Protection z RoHS Compliant and Halogen Free.

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Datasheet Details

Part number RT8055
Manufacturer Richtek
File Size 228.10 KB
Description 3A Synchronous Step-Down Converter
Datasheet download datasheet RT8055 Datasheet

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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® RT8055 3A, 2MHz, Synchronous Step-Down Converter General Description The RT8055 is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2.6V to 5.5V and provides an adjustable regulated output voltage from 0.8V to 5V while delivering up to 3A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The switching frequency is set by an external resistor. The 100% duty cycle provides low dropout operation extending battery life in portable systems. Current mode operation with external compensation allows the transient response to be optimized over a wide range of loads and output capacitors.