Datasheet4U Logo Datasheet4U.com

RT8230B Datasheet Dual-channel Synchronous DC/dc Step-down Controller

Manufacturer: Richtek

Overview: ® RT8230A/B/C/D/E Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The RT8230A/B/C/D/E is a dual-channel step-down, controller generating supply voltages for battery-powered systems.

It includes two Pulse-Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and two fixed 5V/ 3.3V linear regulators.

Each linear regulator provides up to 100mA output current.

Key Features

  • Maximum Duty Up to 96%.
  • CCRCOT Control with 100ns Load Step Response.
  • Wide Input Voltage Range : 5V to 25V.
  • Dual Adjustable Output :  CH1 : 2V to 5.5V  CH2 : 2V to 4V.
  • Fixed 3.3V and 5V LDO Output : 100mA.
  • 1% Accuracy on 3.3V LDO Output.
  • Frequency Adjustable Via TON Setting.
  • 4700ppm/ °C RDS(ON) Current Sensing.
  • Adjustable Current Limit Combined with Enable Control.
  • Internal Soft-Start and Soft-Discharge.
  • Thermal Shutdown.
  • RoHS Compli.

More Datasheets from Richtek

Part Number Description
RT8230A Dual-Channel Synchronous DC/DC Step-Down Controller
RT8230C Dual-Channel Synchronous DC/DC Step-Down Controller
RT8230D Dual-Channel Synchronous DC/DC Step-Down Controller
RT8230E Dual-Channel Synchronous DC/DC Step-Down Controller
RT8231A Complete DDR Memory Power Supply Controller
RT8231B Complete DDR Memory Power Supply Controller
RT8234A Single Synchronous Buck PWM Controller
RT8237A High Efficiency Single Synchronous Buck PWM Controller
RT8237B High Efficiency Single Synchronous Buck PWM Controller
RT8237C High Efficiency Single Synchronous Buck PWM Controller

RT8230B Distributor