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TPS7B92 300mA, 40V, 1.8μA IQ, Low-Dropout Linear Regulator
SBVS438
April 2024
TPS7B92
PRODUCTION DATA
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TPS7B92 300mA, 40V, 1.8μA IQ, Low-Dropout Linear Regulator
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
Wide Supply Range
6.3.2
Low Quiescent Current
6.3.3
Dropout Voltage (VDO)
6.3.4
Current Limit
6.3.5
Leakage Null Control Circuit
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Dropout Operation
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
Setting VOUT for the TPS7B9201 Adjustable LDO
7.2.2.2
External Capacitor Requirements
7.2.2.3
Input and Output Capacitor Requirements
7.2.2.4
Reverse Current
7.2.2.5
Feed-Forward Capacitor (CFF)
7.2.2.6
Power Dissipation (PD)
7.2.2.7
Estimating Junction Temperature
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
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Evaluation Module
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
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbvs438_oa
sbvs438_pm
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Data Sheet
TPS7B92 300mA, 40V, 1.8μA I
Q
, Low-Dropout Linear Regulator
1
Features
Input voltage range: 2.5V to 40V
Available output voltage options:
Fixed: 1.2V to 12V
Adjustable: 1.205V to V
IN
− V
DO
Output current:
300
mA
Ultra-low I
Q
: 1.8μA at I
OUT
= 0mA
Stable with output capacitors ≥ 1.0μF
High PSRR:
70dB at 1kHz
43dB at 100kHz
Fold-back current limiting
Overtemperature protection
Package:
5-pin SOT-23 (DBV)
Operating junction temperature: –40°C to +125°C
2
Applications
Appliances
Home and building automation
Retail automation and payment
Grid infrastructure
Medical applications
Lighting applications
