SLVSET0E
May 2020 – October 2024
TPS61378-Q1
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
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
VCC Power Supply
7.3.2
Input Undervoltage Lockout (UVLO)
7.3.3
Enable and Soft Start
7.3.4
Shut Down
7.3.5
Switching Frequency Setting
7.3.6
Spread Spectrum Frequency Modulation
7.3.7
Adjustable Peak Current Limit
7.3.8
Bootstrap
7.3.9
Load Disconnect
7.3.10
MODE/SYNC Configuration
7.3.11
Overvoltage Protection (OVP)
7.3.12
Output Short Protection/Hiccup
7.3.13
Power-Good Indicator
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Forced PWM Mode
7.4.2
Auto PFM Mode
7.4.3
External Clock Synchronization
7.4.4
Down Mode
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
Programming the Output Voltage
8.2.2.2
Setting the Switching Frequency
8.2.2.3
Setting the Current Limit
8.2.2.4
Selecting the Inductor
8.2.2.5
Selecting the Output Capacitors
8.2.2.6
Selecting the Input Capacitors
8.2.2.7
Loop Stability and Compensation
8.2.2.7.1
Small Signal Model
8.2.2.7.2
Loop Compensation Design Steps
8.2.2.7.3
Selecting the Bootstrap Capacitor
8.2.2.7.4
VCC Capacitor
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Glossary
11.6
Electrostatic Discharge Caution
12
Revision History
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND630A
Orderable Information
slvset0e_oa
slvset0e_pm
7.4
Device Functional Modes