JAJSCQ2B
November 2016 – June 2018
TPS54200
,
TPS54201
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
ADIMでの優れた深調光機能
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin 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
Switching Characteristics
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed-Frequency PWM Control
8.3.2
Error Amplifier
8.3.3
Slope Compensation and Output Current
8.3.4
Input Undervoltage Lockout
8.3.5
Voltage Reference
8.3.6
Setting LED Current
8.3.7
Internal Soft Start
8.3.8
Bootstrap Voltage (BOOT)
8.3.9
Overcurrent Protection
8.3.9.1
High-Side MOSFET Overcurrent Protection
8.3.9.2
Low-Side MOSFET Overcurrent Protection
8.3.9.3
Low-Side MOSFET Reverse Overcurrent Protection
8.3.10
Fault Protection
8.3.10.1
LED-Open Protection
8.3.10.2
LED Short Protection
8.3.10.3
Sense-Resistor Short Protection
8.3.10.4
Sense-Resistor Open Protection
8.3.10.5
Overvoltage Protection
8.3.10.6
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Enable and Disable Device
8.4.2
Mode Detection
8.4.3
Analog Dimming Mode Operation
8.4.4
PWM Dimming-Mode Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
TPS5420x 12-V Input, 1.5-A, 3-Piece IR LED Driver With Analog Dimming
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Inductor Selection
9.2.1.2.2
Input Capacitor Selection
9.2.1.2.3
Output Capacitor Selection
9.2.1.2.4
FB Pin RC Filter Selection
9.2.1.2.5
Sense Resistor Selection
9.2.1.3
Application Curves
9.2.2
TPS5420x 24-V Input, 1-A, 4-Piece WLED Driver With PWM Dimming
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Inductor Selection
9.2.2.2.2
Input Capacitor Selection
9.2.2.2.3
Output Capacitor Selection
9.2.2.2.4
FB Pin RC Filter Selection
9.2.2.2.5
Sense Resistor Selection
9.2.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
デバイスおよびドキュメントのサポート
12.1
デバイス・サポート
12.1.1
デベロッパー・ネットワークの製品に関する免責事項
12.2
ドキュメントのサポート
12.2.1
関連リンク
12.3
ドキュメントの更新通知を受け取る方法
12.4
コミュニティ・リソース
12.5
商標
12.6
静電気放電に関する注意事項
12.7
Glossary
13
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DDC|6
MPDS124I
サーマルパッド・メカニカル・データ
発注情報
jajscq2b_oa
jajscq2b_pm
8.3
Feature Description