JAJSHI2E
June 2014 – May 2019
TPS65283
,
TPS65283-1
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
4
代表的な回路図
効率、Vin = 12V、PSM
5
改訂履歴
6
概要(続き)
7
Pin Configuration and Functions
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
Handling Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Power Switch Detailed Description
9.3.1.1
Overcurrent Condition
9.3.1.2
Reverse Current and Voltage Protection
9.3.1.3
nFAULT Response
9.3.1.4
UVLO
9.3.1.5
Enable and Output Discharge
9.3.1.6
Power Switch Input and Output Capacitance
9.3.1.7
Programming the Current-Limit Threshold
9.3.2
Buck DC-DC Converter Detailed Description
9.3.2.1
Output Voltage
9.3.2.2
Adjustable Switching Frequency
9.3.2.3
Synchronization
9.3.2.4
Error Amplifier
9.3.2.5
Slope Compensation
9.3.2.6
Enable and Adjusting UVLO
9.3.2.7
Internal V7V Regulator
9.3.2.8
Short Circuit Protection
9.3.2.8.1
High-Side MOSFET Overcurrent Protection
9.3.2.8.2
Low-Side MOSFET Overcurrent Protection
9.3.2.9
Bootstrap Voltage (BST) and Low Dropout Operation
9.3.2.10
Output Overvoltage Protection (OVP)
9.3.2.11
Power Good
9.3.2.12
Power-Up Sequencing
9.3.2.13
Thermal Performance
9.4
Device Functional Modes
9.4.1
Operation With VIN < 4.5 V (Minimum VIN)
9.4.2
Operation With EN Control
9.4.3
Operation at Light Loads
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Output Voltage Setting
10.2.2.2
Bootstrap Capacitor Selection
10.2.2.3
Inductor Selection
10.2.2.4
Output Capacitor Selection
10.2.2.5
Input Capacitor Selection
10.2.2.6
Minimum Output Voltage
10.2.2.7
Compensation Component Selection
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
PCB Layout Recommendation
12.1.2
Power Dissipation and Junction Temperature
12.2
Layout Example
13
デバイスおよびドキュメントのサポート
13.1
ドキュメントのサポート
13.1.1
関連リンク
13.2
商標
13.3
静電気放電に関する注意事項
13.4
Glossary
14
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)
RGE|24
MPQF124G
サーマルパッド・メカニカル・データ
RGE|24
QFND008AA
発注情報
jajshi2e_oa
jajshi2e_pm
10
Application and Implementation