SBVS254D
February 2018 – August 2019
TPS7A05
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Circuit
Ground Current vs Output Current
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
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Excellent Transient Response
7.3.2
Active Discharge
7.3.3
Low IQ in Dropout
7.3.4
Undervoltage Lockout (UVLO)
7.3.5
Enable
7.3.6
Internal Foldback Current Limit
7.3.7
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Mode
7.4.2
Dropout Mode
7.4.3
Disable Mode
8
Application and Implementation
8.1
Application Information
8.1.1
Recommended Capacitor Types
8.1.2
Input and Output Capacitor Requirements
8.1.3
Special Considerations When Ramping Down VIN and Enable
8.1.4
Load Transient Response
8.1.5
Dropout Voltage
8.1.5.1
Behavior When Transitioning From Dropout Into Regulation
8.1.5.2
Behavior of Output Resulting From Line Transient When in Dropout
8.1.6
Undervoltage Lockout (UVLO) Operation
8.1.7
Power Dissipation (PD)
8.1.7.1
Estimating Junction Temperature
8.1.7.2
Recommended Area for Continuous Operation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Design Considerations
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Spice Models
11.1.2
Device Nomenclature
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018S
DQN|4
MPSS021E
YKA|4
MXBG335A
DBZ|3
MPDS108F
Thermal pad, mechanical data (Package|Pins)
DQN|4
QFND355C
Orderable Information
sbvs254d_oa
sbvs254d_pm
10
Layout