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TPS793 Low-Noise, High PSRR, RF, 200mA Low-Dropout Linear Regulators in NanoStar™ Wafer Chip Scale and SOT-23
SLVS348N
July 2001 – January 2025
PRODUCTION DATA
CONTENTS
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TPS793 Low-Noise, High PSRR, RF, 200mA Low-Dropout Linear Regulators in NanoStar™ Wafer Chip Scale and SOT-23
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 Diagrams
6.3
Feature Description
6.3.1
Undervoltage Lockout (UVLO)
6.3.2
Shutdown
6.3.3
Active Discharge (new chip)
6.3.4
Foldback Current Limit
6.3.5
Thermal Protection
6.3.6
Reverse Current
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Dropout Operation
6.4.3
Disabled
7
Application and Implementation
7.1
Application Information
7.1.1
Adjustable Operation
7.1.2
Exiting Dropout
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Capacitor Recommendations
7.2.2.2
Input and Output Capacitor Requirements
7.2.2.3
Noise Reduction and Feed-Forward Capacitor Requirements
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
Board Layout Recommendations to Improve PSRR and Noise Performance
7.5.1.2
Power Dissipation
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
IMPORTANT NOTICE
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Data Sheet
TPS793 Low-Noise, High PSRR, RF, 200mA Low-Dropout Linear Regulators in NanoStar™ Wafer Chip Scale and SOT-23
1
Features
Low-dropout regulator with enable
Available in fixed-voltage versions:
1.8V to 4.75V (legacy chip)
1.8V to 3.3V (new chip)
Adjustable output voltage range: 1.22V to 5.5V
Low noise:
55μV
RMS
(legacy chip)
69μV
RMS
(new chip)
Fast start-up time:
50μs (legacy chip)
500μs (new chip)
Very-low dropout voltage: 112mV (typ)
For a more updated portfolio device, see the
TPS7A20
2
Applications
TV applications
Building automation
Smartphones
and
tablets
Connected peripherals and printers
Home theater and entertainment applications