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LM2576
,
LM2576HV
SNVS107D –JUNE 1999–REVISED MAY 2016
www.ti.com
Product Folder Links: LM2576 LM2576HV
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Table of Contents
1 Features.................................................................. 1
2 Applications ........................................................... 1
3 Description............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ..................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information.................................................. 4
6.5 Electrical Characteristics: 3.3 V................................ 5
6.6 Electrical Characteristics: 5 V................................... 5
6.7 Electrical Characteristics: 12 V................................. 5
6.8 Electrical Characteristics: 15 V................................. 6
6.9 Electrical Characteristics: Adjustable Output
Voltage....................................................................... 6
6.10 Electrical Characteristics: All Output Voltage
Versions..................................................................... 6
6.11 Typical Characteristics............................................ 8
7 Detailed Description............................................ 12
7.1 Overview................................................................. 12
7.2 Functional Block Diagram....................................... 12
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 14
8 Application and Implementation ........................ 15
8.1 Application Information............................................ 15
8.2 Typical Applications ................................................ 19
9 Power Supply Recommendations...................... 24
10 Layout................................................................... 25
10.1 Layout Guidelines ................................................. 25
10.2 Layout Example .................................................... 26
10.3 Grounding ............................................................. 26
10.4 Heat Sink and Thermal Considerations................ 26
11 Device and Documentation Support................. 28
11.1 Device Support .................................................... 28
11.2 Documentation Suuport ........................................ 29
11.3 Related Links ........................................................ 29
11.4 Community Resources.......................................... 29
11.5 Trademarks........................................................... 29
11.6 Electrostatic Discharge Caution............................ 29
11.7 Glossary................................................................ 29
12 Mechanical, Packaging, and Orderable
Information........................................................... 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (April 2013) to Revision D Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes,Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section.................................................................................................. 1
• Moved the thermal resistance data from the Electrical Characteristics: All Output Voltage Versions table to the
Thermal Information table....................................................................................................................................................... 4
Changes from Revision B (April 2013) to Revision C Page
• Changed layout of National Data Sheet to TI format ............................................................................................................. 3