SNAS660D
June 2015 – May 2021
LM53600-Q1
,
LM53601-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
System Characteristics
7.7
Timing Requirements
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Control Scheme
8.3.2
Soft-Start Function
8.3.3
Current Limit
8.3.4
Hiccup Mode
8.3.5
RESET Function
8.3.6
Forced PWM Operation
8.3.7
Auto Mode Operation and IQ_VIN
8.3.8
SYNC Operation
8.3.9
Spread Spectrum
8.4
Device Functional Modes
8.4.1
Shutdown
8.4.2
FPWM Operation
8.4.3
Auto Mode Operation
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Off-Battery 5-V, 1-A Output Automotive Converter with Spread Spectrum
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Inductor Selection
9.2.1.2.2
Output Capacitor Selection
9.2.1.2.3
Input Capacitor Selection
9.2.1.2.4
FB Voltage Divider for Adjustable Versions
9.2.1.2.5
RPU - RESET Pull Up Resistor
9.2.1.3
Application Curves
9.2.2
Off-Battery 3.3 V, 1 A Output Automotive Converter with Spread Spectrum
9.2.2.1
Design Requirements
9.2.2.2
Design Procedure
9.2.2.3
Application Curves
9.3
Do's and Don't's
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Ground and Thermal Plane Considerations
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
8.4
Device Functional Modes