SNVS523G
September 2007 – January 2018
LM3103
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Typical Application Schematic
4
Revision History
5
Pin Configuration and Functions
Pin 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
Functional Block Diagram
7.2
Feature Description
7.2.1
COT Control Circuit Overview
7.2.2
Startup Regulator (VCC)
7.2.3
Regulation Comparator
7.2.4
Zero Coil Current Detect
7.2.5
Over-Voltage Comparator
7.2.6
ON-Time Timer, Shutdown
7.2.7
Current Limit
7.2.8
N-Channel MOSFET and Driver
7.2.9
Soft-Start
7.2.10
Thermal Protection
8
Applications and Implementation
8.1
Application Information
8.1.1
External Components
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Community Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|16
MPDS371A
Thermal pad, mechanical data (Package|Pins)
PWP|16
PPTD288A
Orderable Information
snvs523g_oa
snvs523g_pm
1
Features
Input Voltage Range 4.5 V to 42 V
0.75 A Output Current
0.6V, ±2% Reference
Integrated Dual N-Channel Main and Synchronous MOSFETs
Low Component Count and Small Solution Size
Stable with Ceramic and Other Low ESR Capacitors
No Loop Compensation Required
High Efficiency at a Light Load by DCM Operation
Pre-bias Startup
Ultra-Fast Transient Response
Programmable Soft-Start
Programmable Switching Frequency up to 1 MHz
Valley Current Limit
Thermal Shutdown
Output Over-Voltage Protection
Precision Internal Reference for an Adjustable Output Voltage Down to 0.6 V
Thermally Enhanced HTSSOP-16 Package