SBVS318C
July 2017 – September 2026
TPS7A92
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
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Output Enable
6.3.2
Dropout Voltage (VDO)
6.3.3
Output Voltage Accuracy
6.3.4
High Power-Supply Rejection Ratio (PSRR)
6.3.5
Low Output Noise
6.3.6
Output Soft-Start Control
6.3.7
Power-Good Function
6.3.8
Internal Protection Circuitry
6.3.8.1
Undervoltage Lockout (UVLO)
6.3.8.2
Internal Current Limit (ICL)
6.3.8.3
Thermal Protection
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 Output
7.1.2
Start-Up
7.1.2.1
Enable (EN) and Undervoltage Lockout (UVLO)
7.1.2.2
Noise-Reduction and Soft-Start Capacitor (CNR/SS)
7.1.2.2.1
Noise Reduction
7.1.2.2.2
Soft-Start and In-Rush Current
7.1.3
Capacitor Recommendation
7.1.3.1
Input and Output Capacitor Requirements (CIN and COUT)
7.1.3.1.1
Load-Step Transient Response
7.1.3.2
Feed-Forward Capacitor (CFF)
7.1.4
Power Dissipation (PD)
7.1.5
Estimating Junction Temperature
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Board Layout
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
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
1.0% accuracy over line, load, and temperature
Low output noise:
4.6µV
RMS
(10Hz – 100kHz)
Low dropout:
180mV (typical)
at
2A
Wide input voltage range: 1.4V to 6.5V
Wide output voltage range: 0.8V to
5.2V
High power-supply rejection ratio (PSRR):
60dB at DC
40dB at 100kHz
40dB at 1MHz
Fast transient response
Adjustable start-up in-rush control with selectable soft-start charging current
Open-drain power-good (PG) output
R
θJC
= 3.2°C/W
Stable with a 22μF or larger ceramic output capacitor
2.5mm × 2.5mm, 10-pin
WSON
package