SLUSEC8B
March 2021 – April 2024
TPS628501
,
TPS628502
,
TPS628503
PRODUCTION DATA
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
Parameter Measurement Information
7.1
Schematic
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Precise Enable (EN)
8.3.2
COMP/FSET
8.3.3
MODE / SYNC
8.3.4
Spread Spectrum Clocking (SSC)
8.3.5
Undervoltage Lockout (UVLO)
8.3.6
Power Good Output (PG)
8.3.7
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Pulse Width Modulation (PWM) Operation
8.4.2
Power Save Mode Operation (PWM/PFM)
8.4.3
100% Duty-Cycle Operation
8.4.4
Current Limit and Short Circuit Protection
8.4.5
Foldback Current Limit and Short Circuit Protection
8.4.6
Output Discharge
8.4.7
Soft Start
8.4.8
Input Overvoltage Protection
9
Application and Implementation
9.1
Application Information
9.1.1
Programming the Output Voltage
9.1.2
Inductor Selection
9.1.3
Capacitor Selection
9.1.3.1
Input Capacitor
9.1.3.2
Output Capacitor
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
System Examples
9.3.1
Synchronizing to an External Clock
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRL|8
MPCS002E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusec8b_oa
slusec8b_pm
6.6
Typical Characteristics
Figure 6-1
R
DS(ON)
of High-Side Switch
Figure 6-2
R
DS(ON)
of Low-Side Switch