SNVS421H
January 2006 – October 2017
LM3100
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Hysteretic Control Circuit Overview
7.4
Device Functional Modes
7.4.1
Start-up Regulator (VCC)
7.4.2
Regulation Comparator
7.4.3
Over-Voltage Comparator
7.4.4
ON-Time Timer, Shutdown
7.4.5
Current Limit
7.4.6
N-Channel Buck Switch and Driver
7.4.7
Soft-Start
7.4.8
Thermal Protection
8
Applications and Implementation
8.1
Applications Information
8.1.1
External Components
8.1.1.1
RFB1 and RFB2
8.1.1.2
RON
8.1.1.3
L
8.1.1.4
CVCC
8.1.1.5
CO and CO3
8.1.1.6
CIN and CIN3
8.1.1.7
CBST
8.1.1.8
CSS
8.1.1.9
CFB
8.2
Typical Application
9
Layout
9.1
Layout Guidelines
9.1.1
PC Board Layout
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Community Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|20
MHTS001H
Thermal pad, mechanical data (Package|Pins)
PWP|20
PPTD289B
Orderable Information
snvs421h_oa
snvs421h_pm