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TPS736 Capacitor-Free, NMOS, 400mA, Low-Dropout Regulator With Reverse Current Protection
SBVS038V
September 2003 – September 2024
TPS736
PRODUCTION DATA
CONTENTS
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TPS736 Capacitor-Free, NMOS, 400mA, Low-Dropout Regulator With Reverse Current Protection
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
6.4.1
Normal Operation with 1.7 V ≤ VIN ≤ 5.5 V and VEN ≥ 1.7 V
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
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Power Dissipation
7.4.1.2
Thermal Protection
7.4.1.3
Package Mounting
7.4.2
Layout Examples
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
TPS736 Capacitor-Free, NMOS, 400mA, Low-Dropout Regulator With Reverse Current Protection
1
Features
Stable with no output capacitor or any value or type of capacitor
Input voltage range of 1.7V to 5.5V
Ultra-low dropout voltage: 75mV typ
Excellent load transient response—with or without optional output capacitor
NMOS topology delivers low reverse leakage current
Low noise: 30μV
RMS
typ (10Hz to 100kHz)
0.5% initial accuracy
1% overall accuracy over line, load, and temperature
Less than 1μA max I
Q
in shutdown mode
Thermal shutdown and specified min/max current limit protection
Available in multiple output voltage versions:
Fixed outputs of 1.20V to 5.0V
Adjustable output from 1.20V to 5.5V
Custom outputs available
2
Applications
Portable-, battery-powered equipment
Post-regulation for switching supplies
Noise-sensitive circuitry such as VCOs
Point of load regulation for DSPs, FPGAs, ASICs, and microprocessors