JAJSEE7B
January 2018 – January 2020
TPS92612-Q1
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
代表的なアプリケーションの図
4
改訂履歴
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Device Bias
7.3.1.1
Power-On Reset (POR)
7.3.2
Constant-Current Driver
7.3.3
PWM Dimming
7.3.4
Protection
7.3.4.1
Short-to-GND Protection
7.3.4.2
Overtemperature Protection
7.4
Device Functional Modes
7.4.1
Undervoltage Lockout, V(SUPPLY)< V(POR_rising)
7.4.2
Normal Operation, V(SUPPLY) ≥ 4.5 V
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Single-Channel LED Driver
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Single-Channel LED Driver With Heat Sharing
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
デバイスおよびドキュメントのサポート
11.1
ドキュメントのサポート
11.1.1
関連資料
11.2
ドキュメントの更新通知を受け取る方法
11.3
コミュニティ・リソース
11.4
商標
11.5
静電気放電に関する注意事項
11.6
Glossary
12
メカニカル、パッケージ、および注文情報
8.2.2.3
Application Curve
Ch. 1 = V
(SUPPLY)
Ch. 2 = V
(OUT)
Ch. 3 = I
(P)
Ch. 4 = I
(LED)
Supply voltage increases from 9 V to 16 V
Figure 22.
Constant Output Current With Increasing Supply Voltage