JAJSH02B
February 2019 – October 2019
TPS562231
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
TPS562231 の効率
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
Adaptive On-Time Control and PWM Operation
7.3.2
Soft Start and Pre-Biased Soft Start
7.3.3
Over Current and Short Circuit Protection
7.3.4
Undervoltage Lockout (UVLO) Protection
7.3.5
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Continuous Conduction Mode (CCM)
7.4.3
Pulse Skip Mode (PSM, TPS562231)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Output Voltage Resistors Selection
8.2.2.2
Output Filter Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Bootstrap Capacitor Selection
8.2.3
Application Curves
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
デバイス・サポート
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
6.6
Typical Characteristics
V
IN
= 12 V (unless otherwise noted)
Figure 1.
I
Q
vs Junction Temperature
Figure 3.
V
IN
UVLO vs Junction Temperature
Figure 5.
Current Limit vs Junction Temperature
Figure 7.
TPS562231 V
OUT
= 1.05 V Efficiency
Figure 9.
TPS562231 V
OUT
= 3.3 V Efficiency
Figure 11.
TPS562231 V
OUT
= 3.3V Load Regulation
Figure 2.
V
REF
Voltage vs Junction Temperature
Figure 4.
EN Pin UVLO vs Junction Temperature
Figure 6.
R
DS-ON
vs Junction Temperature
Figure 8.
TPS562231 V
OUT
= 1.8 V Efficiency
Figure 10.
TPS562231 V
OUT
= 5 V Efficiency
Figure 12.
TPS562231 V
OUT
= 3.3 V Line Regulation