RT4803B - 2.5MHz Synchronous Boost Regulator

Product Overview

Richtek

Datasheet Details

Part number	RT4803B
Manufacturer	Richtek
File Size	1.25 MB
Description	2.5MHz Synchronous Boost Regulator
Datasheet	RT4803B Datasheet
Additional preview pages of the RT4803B datasheet.

Product details

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.

Features

Input Voltage Range: 1.8V to 5V.
Programmable Output Voltage from 2.85V to 4.4V with 50mV/Step.
Default Boost Output Voltage Setting:.
VOUT = 3.4V at VSEL = H.
VOUT = 3.15V at VSEL = L.
Maximum Continuous Load Current: 2A at VIN > 2.65V Boosting VOUT to 3.35V.
Up to 95% Efficiency.
nBYP (L): Forced Bypass Mode.
nBYP (H): Auto Bypass Operation when VIN > Target VOUT.
Internal Synchronous Rectifier.
Overcurrent Protection.
Undervoltage P.

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Published: Dec 30, 2024 |