JAJSDX9C
June 2017 – November 2018
TPS2373
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
APD Auxiliary Power Detect
7.3.2
PG Power Good (Converter Enable) Pin Interface
7.3.3
CLSA and CLSB Classification
7.3.4
DEN Detection and Enable
7.3.5
Internal Pass MOSFET
7.3.6
TPH, TPL and BT PSE Type Indicators
7.3.7
VC_IN, VC_OUT, UVLO_SEL, and Advanced PWM Startup
7.3.8
AMPS_CTL, MPS_DUTY and Automatic MPS
7.3.9
VDD Supply Voltage
7.3.10
VSS
7.3.11
Exposed Thermal PAD
7.4
Device Functional Modes
7.4.1
PoE Overview
7.4.2
Threshold Voltages
7.4.3
PoE Startup Sequence
7.4.4
Detection
7.4.5
Hardware Classification
7.4.6
Inrush and Startup
7.4.7
Maintain Power Signature
7.4.8
Advanced Startup and Converter Operation
7.4.9
PD Hotswap Operation
7.4.10
Startup and Power Management, PG and TPH, TPL, BT
7.4.11
Adapter ORing
7.4.12
Using DEN to Disable PoE
7.4.13
ORing Challenges
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Requirements
8.2.2.1
Input Bridges and Schottky Diodes
8.2.2.2
Protection, D1
8.2.2.3
Capacitor, C1
8.2.2.4
Detection Resistor, RDEN
8.2.2.5
Classification Resistors, RCLSA and RCLSB
8.2.2.6
APD Pin Divider Network RAPD1, RAPD2
8.2.2.7
Opto-isolators for TPH, TPL and BT
8.2.2.8
VC Input and Output, CVCIN and CVCOUT
8.2.2.9
UVLO Select, UVLO_SEL
8.2.2.10
Automatic MPS and MPS Duty Cycle, RMPS and RMPS_DUTY
8.2.2.11
Internal Voltage Reference, RREF
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
EMI Containment
10.4
Thermal Considerations and OTSD
10.5
ESD
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
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
RGW|20
サーマルパッド・メカニカル・データ
発注情報
jajsdx9c_oa
jajsdx9c_pm
8.2
Typical Application
Figure 30.
Typical Application Circuit