RT6543B, RT6543A High Efficiency Single Synchronous Buck PWM Controller

Richtek

Description

® RT6543A/B High Efficiency Single Synchronous Buck PWM Controller for INTEL VCCIN AUX ICL and TGL General .
The RT6543A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy for stepping down high voltage batter.

📥 Download Datasheet

RT6543B Datasheet Preview — This datasheet PDF includes multiple part numbers: RT6543B, RT6543A. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: RT6543B, RT6543A
Manufacturer: Richtek
File Size: 333.21 KB
Datasheet: RT6543A-Richtek.pdf
Description: High Efficiency Single Synchronous Buck PWM Controller
Note: This datasheet PDF includes multiple part numbers: RT6543B, RT6543A.
Please refer to the document for exact specifications by model.

Features

* A High Efficiency Step-Down DC-DC Controller
* Built-in 1% Reference Voltage
* 2-Bit Programmable Output Voltage with Integrated
* Adjustable Switching Frequency
* Input Voltage Range : 3V to 24V
* Internal Soft-Start to Reduce Inrush Current
* Capability of Driving Lar

Applications

* Notebook Computers
* CPU/GPU Core Supply
* Chipset/RAM Supply
* Generic DC-DC Power Regulator CS_DIS ISENSEP ISENSEN PGOOD COMP 20 19 18 17 16 1 15 PVCC 2 14 PGND 3 AGND 13 LGATE 4 21 12 PH 5 11 UGATE 6 7 8 9 10 FB RGND VOUT FSWSEL BOOT Simplified Application Circuit

RT6543B Distributors

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RT6543A High Efficiency Single Synchronous Buck PWM Controller Richtek

Richtek RT6543B-like datasheet