SLVSFL2B
May 2021 – December 2022
TPS7H4002-SP
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
VIN and Power VIN Pins (VIN and PVIN)
7.3.2
Voltage Reference
7.3.3
Adjusting the Output Voltage
7.3.4
Safe Start-Up Into Prebiased Outputs
7.3.5
Error Amplifier
7.3.6
Slope Compensation
7.3.7
Enable and Adjust UVLO
7.3.8
Adjustable Switching Frequency and Synchronization (SYNC)
7.3.9
Slow Start (SS/TR)
7.3.10
Power Good (PWRGD)
7.3.11
Sequencing (SS/TR)
7.3.12
Output Overvoltage Protection (OVP)
7.3.13
Overcurrent Protection
7.3.13.1
High-Side MOSFET Overcurrent Protection
7.3.13.2
Low-Side MOSFET Overcurrent Protection
7.3.14
Thermal Shutdown
7.3.15
Turn-On Behavior
7.3.16
Small Signal Model for Frequency Compensation
7.4
Device Functional Modes
7.4.1
Fixed-Frequency PWM Control
7.4.2
Continuous Current Mode (CCM) 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
Operating Frequency
8.2.2.2
Output Inductor Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
Output Schottky Diode
8.2.2.5
Slow Start Capacitor Selection
8.2.2.6
Undervoltage Lockout (UVLO) Set Point
8.2.2.7
Output Voltage Feedback Resistor Selection
8.2.2.8
Compensation Component Selection
8.2.3
Parallel Operation
8.2.4
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
HKH|20
MCDF004D
KGD|0
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsfl2b_oa
slvsfl2b_pm
10.2
Layout Example
Figure 10-1
PCB Layout Example