JAJSMO6A
August 2021 – November 2021
TPSM8A28
,
TPSM8A29
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and 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
Internal VCC LDO and Using External Bias on VCC Pin
7.3.2
Enable
7.3.3
Output Voltage Setting
7.3.3.1
Remote Sense
7.3.4
Internal Fixed Soft Start and External Adjustable Soft Start
7.3.5
External REFIN for Output Voltage Tracking
7.3.6
Frequency and Operation Mode Selection
7.3.7
D-CAP3™ Control
7.3.8
Low-Side FET Zero-Crossing
7.3.9
Current Sense and Positive Overcurrent Protection
7.3.10
Low-Side FET Negative Current Limit
7.3.11
Power Good
7.3.12
Overvoltage and Undervoltage Protection
7.3.13
Out-Of-Bounds (OOB) Operation
7.3.14
Output Voltage Discharge
7.3.15
UVLO Protection
7.3.16
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Auto-Skip Eco-Mode Light Load Operation
7.4.2
Forced Continuous-Conduction Mode
7.4.3
Powering the Device From a 12-V Bus
7.4.4
Powering the Device From a 5.0-V Bus
7.4.5
Powering the Device From a Split-Rail Configuration
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 Setting Point
8.2.2.2
Choose the Inductor
8.2.2.3
Set the Current Limit (TRIP)
8.2.2.4
Choose the Output Capacitor
8.2.2.5
Choose the Input Capacitors (CIN)
8.2.2.6
Soft-Start Capacitor (SS/REFIN Pin)
8.2.2.7
EN Pin Resistor Divider
8.2.2.8
VCC Bypass Capacitor
8.2.2.9
BOOT Capacitor
8.2.2.10
PGOOD Pullup Resistor
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.2.1
Thermal Performance on the TI EVM
10.3
EMI
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
サポート・リソース
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
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)
RDG|25
MPQF603
サーマルパッド・メカニカル・データ
発注情報
jajsmo6a_oa
6
Specifications