RT4803B Datasheet (2.5MHz Synchronous Boost Regulator)

Part: RT4803B
Manufacturer: Richtek (official site)
Size: 1.25 MB

RT4803B Key Features

Input Voltage Range: 1.8V to 5V
Default Boost Output Voltage Setting
VOUT = 3.4V at VSEL = H
VOUT = 3.15V at VSEL = L
Maximum Continuous Load Current: 2A at VIN >
Up to 95% Efficiency
nBYP (L): Forced Bypass Mode
nBYP (H): Auto Bypass Operation when VIN >
Internal Synchronous Rectifier
Overcurrent Protection

Other RT4803B Datasheets

Manufacturer	Part Number	Description
Richtek	RT4803	Synchronous Boost Regulator
Richtek	RT4803A	Synchronous Boost Regulator

RT4803B Description

The RT4803B allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By bining built-in power transistors, synchronous rectification, and low supply current, this IC provides a pact solution for systems using advanced Li-Ion battery chemistries. The RT4803B is a boost regulator designed to provide...