SNVSCS7
April 2025
TPSM33620-Q1
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Voltage Range
7.3.2
Output Voltage Selection
7.3.3
Enable, Start-Up, and Shutdown
7.3.4
External CLK SYNC
7.3.4.1
Pulse-Dependent MODE/SYNC Pin Control
7.3.5
Power-Good Output Operation
7.3.6
Internal LDO, VCC and VOUT/FB Input
7.3.7
Bootstrap Voltage and VBOOT-UVLO (BOOT Terminal)
7.3.8
Spread Spectrum
7.3.9
Soft Start and Recovery from Dropout
7.3.9.1
Recovery from Dropout
7.3.10
Overcurrent Protection (Hiccup Mode)
7.3.11
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
7.4.3.1
CCM Mode
7.4.3.2
Auto Mode – Light-Load Operation
7.4.3.2.1
Diode Emulation
7.4.3.2.2
Frequency Reduction
7.4.3.3
FPWM Mode – Light-Load Operation
7.4.3.4
Minimum On-Time (High Input Voltage) Operation
7.4.3.5
Dropout
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Setting the Output Voltage
8.2.2.3
Input Capacitor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
VCC
8.2.2.6
CFF Selection
8.2.2.7
Power-Good Signal
8.2.2.8
Maximum Ambient Temperature
8.2.2.9
Other Connections
8.2.3
Application Curves
8.3
Best Design Practices
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.1.1
Ground and Thermal Considerations
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
9.1.3
Device Nomenclature
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
RDN|11
MPQF642C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvscs7_oa
Data Sheet
TPSM336xx-Q1
3V to 36V Input, 1V to
7V
Output, 0.6A, 1A, and 2A, Automotive, Synchronous Buck Converter Power Module in a HotRod™ QFN Package