RT8237B, RT8237A High Efficiency Single Synchronous Buck PWM Controller

RICHTEK

Description

® RT8237A/B High Efficiency Single Synchronous Buck PWM Controller General .
The RT8237A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage.

📥 Download Datasheet

RT8237B Datasheet Preview — This datasheet PDF includes multiple part numbers: RT8237B, RT8237A. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: RT8237B, RT8237A
Manufacturer: RICHTEK
File Size: 206.70 KB
Datasheet: RT8237A_RICHTEK.pdf
Description: High Efficiency Single Synchronous Buck PWM Controller
Note: This datasheet PDF includes multiple part numbers: RT8237B, RT8237A.
Please refer to the document for exact specifications by model.

Features

* Wide Input Voltage Range : 4.5V to 26V
* Output Voltage Range : 0.7V to 3.3V
* Built-in 0.5% 0.7V Reference Voltage
* Quick Load-Step Response within 100ns
* 4700ppm/°C Programmable Current Limit by Low Side RDS(ON) Sensing
* 4 Selectable Frequency Setting
* Soft-Start

Applications

* Notebook Computers
* CPU Core Supply
* Chipset/RAM Supply as Low as 0.7V
* Generic DC/DC Power Regulator Pin Configurations (TOP VIEW) PGOOD 1 CS 2 EN 3 FB 4 RF 5 GND 10 BOOT 9 UGATE 8 PHASE 7 VCC 11 6 LGATE WDFN-10L 3x3 RT8237A GND NC RF 12 11 10 LGATE 1 VCC 2 PHASE 3 GND

RT8237B Distributors

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RT8237A High Efficiency Single Synchronous Buck PWM Controller RICHTEK

RICHTEK RT8237B-like datasheet