SLUSFD2B
September 2023 – March 2024
TPSM861252
,
TPSM861253
,
TPSM861257
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Family Devices
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
PWM Operation and D-CAP3™ Control Mode
7.3.2
Eco-mode Control
7.3.3
Soft Start and Prebiased Soft Start
7.3.4
Overvoltage Protection
7.3.5
Frequency
7.3.6
Large Duty Operation
7.3.7
Current Protection and Undervoltage Protection
7.3.8
Undervoltage Lockout (UVLO) Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Eco-mode Operation
7.4.2
FCCM Mode Operation
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
Output Voltage Resistors Selection
8.2.2.3
Output Filter Selection
8.2.2.4
Input Capacitor Selection
8.2.2.5
Enable Circuit
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.1.1
Custom Design with WEBENCH® Tools
9.2
Receiving Notification of Documentation Updates
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)
RDX|7
MPQF721
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusfd2b_oa
8.4.2
Layout Example
Figure 8-12
Layout Example - TPSM861253
Figure 8-13
Layout Example - TPSM861252 and TPSM861257