JAJSCF6G
July 2016 – December 2019
TPS2660
PRODUCTION DATA.
1
特長
2
アプリケーション
概略回路図
3
概要
-60V電源における入力逆極性保護
4
改訂履歴
5
概要(続き)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements
8.7
Typical Characteristics
9
Parameter Measurement Information
10
Detailed Description
10.1
Overview
10.2
Functional Block Diagram
10.3
Feature Description
10.3.1
Undervoltage Lockout (UVLO)
10.3.2
Overvoltage Protection (OVP)
10.3.3
Reverse Input Supply Protection
10.3.4
Hot Plug-In and In-Rush Current Control
10.3.5
Overload and Short Circuit Protection
10.3.5.1
Overload Protection
10.3.5.1.1
Active Current Limiting
10.3.5.1.2
Electronic Circuit Breaker with Overload Timeout, MODE = OPEN
10.3.5.2
Short Circuit Protection
10.3.5.2.1
Start-Up With Short-Circuit On Output
10.3.5.3
FAULT Response
10.3.5.3.1
Look Ahead Overload Current Fault Indicator
10.3.5.4
Current Monitoring
10.3.5.5
IN, OUT, RTN, and GND Pins
10.3.5.6
Thermal Shutdown
10.3.5.7
Low Current Shutdown Control (SHDN)
10.4
Device Functional Modes
11
Application and Implementation
11.1
Application Information
11.2
Typical Application
11.2.1
Design Requirements
11.2.2
Detailed Design Procedure
11.2.2.1
Step by Step Design Procedure
11.2.2.2
Programming the Current-Limit Threshold—R(ILIM) Selection
11.2.2.3
Undervoltage Lockout and Overvoltage Set Point
11.2.2.4
Programming Current Monitoring Resistor—RIMON
11.2.2.5
Setting Output Voltage Ramp Time—(tdVdT)
11.2.2.5.1
Case 1: Start-Up Without Load—Only Output Capacitance C(OUT) Draws Current During Start-Up
11.2.2.5.2
Case 2: Start-Up With Load—Output Capacitance C(OUT) and Load Draws Current During Start-Up
11.2.2.5.3
Support Component Selections—RFLTb and C(IN)
11.2.3
Application Curves
11.3
System Examples
11.3.1
Acive ORing Operation
11.3.2
Field Supply Protection in PLC, DCS I/O Modules
11.3.3
Simple 24-V Power Supply Path Protection
11.4
Do's and Don'ts
12
Power Supply Recommendations
12.1
Transient Protection
13
Layout
13.1
Layout Guidelines
13.2
Layout Example
14
デバイスおよびドキュメントのサポート
14.1
デバイス・サポート
14.2
ドキュメントのサポート
14.2.1
関連資料
14.3
ドキュメントの更新通知を受け取る方法
14.4
コミュニティ・リソース
14.5
商標
14.6
静電気放電に関する注意事項
14.7
Glossary
15
メカニカル、パッケージ、および注文情報
11.2.3
Application Curves
Figure 56.
Start-Up With VIN—48-Ω Load
1.
Figure 58.
Power Fail With 24-Ω Load—Supports 1-A Load for 10-ms Power Fail
Figure 60.
Power Down With Shutdown Pin—48-Ω Load
Figure 62.
Turnon With Short Circuit on Output
Figure 57.
Start-Up With VIN—No Load
1.
Figure 59.
Start-Up With Shutdown Pin—48-Ω Load
Figure 61.
Over Load Response—Load Stepped from
100-Ω to 18-Ω Load
Figure 63.
Reverse Polarity Protection