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TPS791 Ultralow Noise, High PSRR, Fast RF 100-mA Low-Dropout Linear Regulators
SLVS325D
March 2001 – February 2018
TPS791
PRODUCTION DATA.
CONTENTS
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TPS791 Ultralow Noise, High PSRR, Fast RF 100-mA Low-Dropout Linear Regulators
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic: Fixed Output
Simplified Schematic: Adjustable Output
4
Revision History
5
Pin Configuration and Functions
Pin 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 Diagrams
7.3
Feature Description
7.3.1
Power Dissipation and Junction Temperature
7.3.2
Programming the TPS79101 Adjustable Regulator
7.3.3
Regulator Protection
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Dropout Operation
7.4.3
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
External Capacitor Requirements
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Do's and Don'ts
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Board Layout Recommendation to Improve PSRR and Noise Performance
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs325d_oa
slvs325d_pm
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DATA SHEET
TPS791 Ultralow Noise, High PSRR, Fast RF 100-mA Low-Dropout Linear Regulators
1
Features
100-mA Low-Dropout Regulator With
EN
Available in 1.8-V, 3.3-V, 4.7-V, and Adj.
High PSRR (70 dB at 10 kHz)
Ultralow Noise (15 µV
RMS
)
Fast Start-Up Time (63 µs)
Stable With Any 1-µF Ceramic Capacitor
Excellent Load, Line Transient
Very Low Dropout Voltage (38 mV at Full Load, TPS79147)
5-Pin SOT23 (DBV) Package
TPS792xx Provides EN Options