LM2640 - Dual Adjustable Step-Down Switching Power Supply Controller

Texas Instruments

The LM2640 by Texas Instruments is a Dual Adjustable Step-Down Switching Power Supply Controller. Below is the official datasheet preview.

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LM2640 Dual Adjustable Step-Down Switching Power Supply Controller by Texas Instruments - Datasheet Preview — Official preview page of the **LM2640** Dual Adjustable Step-Down Switching Power Supply Controller datasheet (Texas Instruments).

Datasheet Details

Part number	LM2640
Manufacturer	Texas Instruments
File Size	1.42 MB
Description	Dual Adjustable Step-Down Switching Power Supply Controller
Datasheet	LM2640-etcTI.pdf
Additional preview pages of the LM2640 datasheet.

LM2640 Product details

Description

The LM2640 is a dual step-down power supply controller intended for application in notebook personal computers and other battery-powered equipment.

Features

1.
2 200 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.
Output Overvoltage Shutdown Protection.
Programmable Soft-Start (Each Controller).
5V, 50 mA Linear Regulator Output.
Precision 2.5V Reference Output.
28-Pin Package A.

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Published: Feb 21, 2020 |