LM43601_16 Datasheet, PDF (2/53 Pages) Texas Instruments – LM43601 SIMPLE SWITCHER® 3.5 V to 36 V 1 A Synchronous Step-Down Voltage Converter

LM43601
SNVSA44A – AUGUST 2014 – REVISED AUGUST 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Schematic............................................. 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 Handling Ratings [COMMERCIAL] ........................... 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 5
7.6 Timing Requirements ................................................ 6
7.7 Switching Characteristics .......................................... 7
7.8 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 14
8.1 Overview ................................................................. 14
8.2 Functional Block Diagram ....................................... 14
8.3 Feature Description................................................. 15
8.4 Device Functional Modes........................................ 23
9 Applications and Implementation ...................... 25
9.1 Application Information............................................ 25
9.2 Typical Applications ................................................ 25
10 Power Supply Recommendations ..................... 42
11 Layout................................................................... 42
11.1 Layout Guidelines ................................................. 42
11.2 Layout Example .................................................... 45
12 Device and Documentation Support ................. 46
12.1 Trademarks ........................................................... 46
12.2 Electrostatic Discharge Caution ............................ 46
12.3 Glossary ................................................................ 46
13 Mechanical, Packaging, and Orderable
Information ........................................................... 46
5 Revision History
Changes from Original (August 2014) to Revision A
Page
• Changed from Preview to Production Data ........................................................................................................................... 1
2
Submit Documentation Feedback
Product Folder Links: LM43601
Copyright © 2014, Texas Instruments Incorporated