SBVS067U
January 2006 – September 2024
TPS737
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
Thermal Information
5.6
Electrical Characteristics
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagrams
6.3
Feature Description
6.3.1
Output Noise
6.3.2
Internal Current Limit
6.3.3
Enable Pin and Shutdown
6.3.4
Reverse Current
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input and Output Capacitor Requirements
7.2.2.2
Dropout Voltage
7.2.2.3
Transient Response
7.2.3
Application Curves
7.3
Best Design Practices
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.1.1
Power Dissipation
7.5.1.2
Thermal Protection
7.5.1.3
Estimating Junction Temperature
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Evaluation Modules
8.1.1.2
Spice Models
8.1.2
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
1
Features
Stable with 1μF or larger ceramic output capacitor
Input voltage range: 2.2V to 5.5V
Ultra-low dropout voltage
Legacy silicon: 130mV typical at 1A
New silicon: 122mV typical at 1A
Excellent load transient response—even with only 1μF output capacitor
NMOS topology delivers low reverse leakage current
Initial accuracy: 1%
Overall accuracy over line, load, and temperature
Legacy silicon: 3%
New silicon: 1.5%
Less than 20nA typical I
Q
in shutdown mode
Thermal shutdown and current limit for fault protection
Available in multiple output voltage versions:
Adjustable output: 1.20V to 5.5V
Custom outputs available using factory package-level programming