SBVS398A
December 2021 – September 2022
TPS7A21
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
Smart Enable (EN)
7.3.2
Low Output Noise
7.3.3
Active Discharge
7.3.4
Dropout Voltage
7.3.5
Foldback Current Limit
7.3.6
Undervoltage Lockout
7.3.7
Thermal Overload Protection (TSD)
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Applications and Implementation
8.1
Application Information
8.1.1
Recommended Capacitor Types
8.1.2
Input and Output Capacitor Requirements
8.1.3
Load Transient Response
8.1.4
Undervoltage Lockout (UVLO) Operation
8.1.5
Power Dissipation (PD)
8.1.6
Estimating Junction Temperature
8.1.7
Recommended Area For Continuous Operation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Power Dissipation and Device Operation
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
DSBGA Mounting
8.4.1.2
DSBGA Light Sensitivity
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
2
Applications
Mobile phones
and
tablets
Wearables
IP cameras
Portable medical equipment
Smart meters
and
field transmitters
RF, PLL, VCO, and clock power supplies
Motor drives