LM2641 Dual Adjustable Step-Down Switching Power Supply Controller

Texas Instruments

Description

LM2641 www.ti.com SNVS040B * JANUARY 2000 * REVISED APRIL 2013 LM2641 Dual Adjustable Step-Down Switching Power Supply Controller C.
The LM2641 is a dual step-down power supply controller intended for application in notebook personal computers and other battery-powered equipment.

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Datasheet Specifications

Part number: LM2641
Manufacturer: Texas Instruments ↗
File Size: 881.91 KB
Datasheet: LM2641-etcTI.pdf
Description: Dual Adjustable Step-Down Switching Power Supply Controller

Features

* 1
* 2 300 kHz Fixed-Frequency Switching
* Switching Synchronization with an External Signal up to 400 kHz
* Optional Pulse-Skipping Mode
* Adjustable Secondary Feedback
* Input Undervoltage Lockout
* Output Undervoltage Shutdown Protection
* Out

Applications

* Notebook and Subnotebook Computers
* Wireless Data Terminals
* Battery-Powered Instruments KEY SPECIFICATIONS
* 96 % Efficient
* 5.5
* 30 V Input Range
* Dual Outputs Adjustable from 2.2
* 8 V
* 0.5 % Typical Load Regulation E

LM2641 Distributors

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LM2641 Dual Adjustable Step-Down Switching Power Supply Controller Texas Instruments

Texas Instruments LM2641-like datasheet