JAJSGA2F
September 2018 – June 2021
TPS2663
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Comparison Table
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
7.6
Timing Requirements
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Hot Plug-In and In-Rush Current Control
9.3.1.1
Thermal Regulation Loop
9.3.2
PGOOD and PGTH
9.3.2.1
PGTH as VOUT Sensing Input
9.3.3
Undervoltage Lockout (UVLO)
9.3.4
Overvoltage Protection (OVP)
9.3.5
Input Reverse Polarity Protection (B_GATE, DRV)
9.3.6
Reverse Current Protection
9.3.7
Overload and Short Circuit Protection
9.3.7.1
Overload Protection
9.3.7.1.1
Active Current Limiting at 1x IOL, (TPS26630 and TPS26632 Only)
9.3.7.1.2
Active Current Limiting with 2x IOL Pulse Current Support, (TPS26631, TPS26633, TPS26635 and TPS26636 Only)
9.3.7.2
Short Circuit Protection
9.3.7.2.1
Start-Up With Short-Circuit On Output
9.3.8
Output Power Limiting, PLIM (TPS26632, TPS26633, TPS26635 and TPS26636 Only)
9.3.9
Current Monitoring Output (IMON)
9.3.10
FAULT Response ( FLT)
9.3.11
IN_SYS, IN, OUT and GND Pins
9.3.12
Thermal Shutdown
9.3.13
Low Current Shutdown Control (SHDN)
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Application: Power Path Protection in a PLC System
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Programming the Current-Limit Threshold—R(ILIM) Selection
10.2.2.2
Undervoltage Lockout and Overvoltage Set Point
10.2.2.3
Output Buffer Capacitor – COUT
10.2.2.4
PGTH Set Point
10.2.2.5
Setting Output Voltage Ramp Time—(tdVdT)
10.2.2.5.1
Support Component Selections— RPGOOD and C(IN)
10.2.2.6
Selecting Q1, Q2 and TVS Clamp for Surge Protection
10.2.3
Application Curves
10.3
System Examples
10.3.1
Simple 24-V Power Supply Path Protection
10.3.2
Priority Power MUX Operation
10.3.3
Input Protection for a Compact 24-V Auxiliary Power Supply for Servo Drives
10.4
Do's and Don'ts
11
Power Supply Recommendations
11.1
Transient Protection
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
サポート・リソース
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
9
Detailed Description