SNVSCS7B
April 2025 – July 2025
TPSM33606-Q1
,
TPSM33620-Q1
PRODMIX
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
6.6
Typical 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
7.3.2.1
Adjustable Output Voltage Variants
7.3.2.2
Fixed Output Voltage Variants
7.3.3
Enable, Start-Up, and Shutdown
7.3.3.1
External UVLO through the EN Pin
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
Package Options
Mechanical Data (Package|Pins)
RDN|11
MPQF642E
Thermal pad, mechanical data (Package|Pins)
RDN|11
QFND872A
Orderable Information
snvscs7b_oa
Data Sheet
TPSM336xx-Q1
Automotive, 3V to 36V Input, 1V to
7V
Output, 0.6A, 1A, and 2A, Synchronous Buck Converter Power Module in a HotRod™ QFN Package