SBVS437D
December 2022 – June 2025
TPS7A21-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Smart Enable (EN)
6.3.2
Low Output Noise
6.3.3
Active Discharge
6.3.4
Dropout Voltage
6.3.5
Foldback Current Limit
6.3.6
Undervoltage Lockout
6.3.7
Thermal Overload Protection (TSD)
6.4
Device Functional Modes
6.4.1
Device Functional Mode Comparison
6.4.2
Normal Operation
6.4.3
Dropout Operation
6.4.4
Disabled
7
Applications and Implementation
7.1
Application Information
7.1.1
Recommended Capacitor Types
7.1.2
Input and Output Capacitor Requirements
7.1.3
Load Transient Response
7.1.4
Undervoltage Lockout (UVLO) Operation
7.1.5
Power Dissipation (PD)
7.1.6
Estimating Junction Temperature
7.1.7
Recommended Area For Continuous Operation
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Power Dissipation and Device Operation
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DSG|8
MPDS308C
DRB|8
MPDS118K
Thermal pad, mechanical data (Package|Pins)
DSG|8
QFND569C
DRB|8
QFND619
Orderable Information
sbvs437d_oa
sbvs437d_pm
Data Sheet
TPS7A21-Q1 Automotive, 500mA, Low-Noise, Low-I
Q
, High-PSRR LDO