SBVS304B
June 2017 – October 2021
TPS7A83A
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics: General
7.6
Electrical Characteristics: TPS7A8300A
7.7
Electrical Characteristics: TPS7A8301A
7.8
Typical Characteristics: TPS7A8300A
7.9
Typical Characteristics: TPS7A8301A
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Voltage Regulation Features
8.3.1.1
DC Regulation
8.3.1.2
AC and Transient Response
8.3.2
System Start-Up Features
8.3.2.1
Programmable Soft-Start (NR/SS)
8.3.2.2
Internal Sequencing
8.3.2.2.1
Enable (EN)
8.3.2.2.2
Undervoltage Lockout (UVLO) Control
8.3.2.2.3
Active Discharge
8.3.2.3
Power-Good Output (PG)
8.3.3
Internal Protection Features
8.3.3.1
Foldback Current Limit (ICL)
8.3.3.2
Thermal Protection (Tsd)
8.4
Device Functional Modes
8.4.1
Regulation
8.4.2
Disabled
9
Application and Implementation
9.1
Application Information
9.1.1
External Component Selection
9.1.1.1
Adjustable Operation
9.1.1.2
ANY-OUT Programmable Output Voltage
9.1.1.3
ANY-OUT Operation
9.1.1.4
Increasing ANY-OUT Resolution for LILO Conditions
9.1.1.5
Recommended Capacitor Types
9.1.1.6
Input and Output Capacitor Requirements (CIN and COUT)
9.1.1.7
Feed-Forward Capacitor (CFF)
9.1.1.8
Noise-Reduction and Soft-Start Capacitor (CNR/SS)
9.1.2
Start Up
9.1.2.1
Soft-Start (NR/SS)
9.1.2.1.1
Inrush Current
9.1.2.2
Undervoltage Lockout (UVLO)
9.1.2.3
Power-Good (PG) Function
9.1.3
AC and Transient Performance
9.1.3.1
Power-Supply Rejection Ratio (PSRR)
9.1.3.2
Output Voltage Noise
9.1.3.3
Optimizing Noise and PSRR
9.1.3.3.1
Charge Pump Noise
9.1.3.4
Load Transient Response
9.1.4
DC Performance
9.1.4.1
Output Voltage Accuracy (VOUT)
9.1.4.2
Dropout Voltage (VDO)
9.1.4.2.1
Behavior When Transitioning From Dropout Into Regulation
9.1.5
Sequencing Requirements
9.1.6
Negatively Biased Output
9.1.7
Reverse Current
9.1.8
Power Dissipation (PD)
9.1.8.1
Estimating Junction Temperature
9.1.8.2
Recommended Area for Continuous Operation (RACO)
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.1.1.1
Evaluation Models
12.1.1.2
Spice Models
12.1.2
Device Nomenclature
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGR|20
MPQF239A
RGW|20
MPQF122C
Thermal pad, mechanical data (Package|Pins)
RGR|20
QFND242E
RGW|20
QFND012L
Orderable Information
sbvs304b_oa
sbvs304b_pm
9.2.3
Application Curves
Figure 9-22
Output Load Transient Response
Figure 9-23
Output Start-Up Response