JAJSIY2D
april 2019 – may 2023
TPS7H4001-SP
PRODMIX
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Options Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics - All Devices
7.6
Electrical Characteristics: CDFP and KGD Options
7.7
Electrical Characteristics: HTSSOP (SHP) Option
7.8
Electrical Characteristics: HTSSOP (QMLP) Option
7.9
Quality Conformance Inspection
7.10
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
VIN and Power VIN Pins (VIN and PVIN)
8.3.2
Voltage Reference
8.3.3
Adjusting the Output Voltage
8.3.4
Safe Start-Up Into Prebiased Outputs
8.3.5
Error Amplifier
8.3.6
Enable and Adjust UVLO
8.3.7
Adjustable Switching Frequency and Synchronization (SYNC)
8.3.7.1
Internal Oscillator Mode
8.3.7.2
External Synchronization Mode
8.3.7.3
Primary-Secondary Operation Mode
8.3.8
Soft-Start (SS/TR)
8.3.9
Power Good (PWRGD)
8.3.10
Sequencing
8.3.11
Output Overvoltage Protection (OVP)
8.3.12
Overcurrent Protection
8.3.12.1
High-Side MOSFET Overcurrent Protection
8.3.12.2
Low-Side MOSFET Overcurrent Protection
8.3.13
Thermal Shutdown
8.3.14
Turn-On Behavior
8.3.15
Slope Compensation
8.3.15.1
Slope Compensation Requirements
8.3.16
Small Signal Model for Frequency Compensation
8.4
Device Functional Modes
8.4.1
Fixed-Frequency PWM Control
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Operating Frequency
9.2.2.2
Output Inductor Selection
9.2.2.3
Output Capacitor Selection
9.2.2.4
Input Capacitor Selection
9.2.2.5
Soft-Start Capacitor Selection
9.2.2.6
Undervoltage Lockout (UVLO) Set Point
9.2.2.7
Output Voltage Feedback Resistor Selection
9.2.2.7.1
Minimum Output Voltage
9.2.2.8
Compensation Component Selection
9.2.3
Parallel Operation
9.2.4
Application Curve
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
ドキュメントの更新通知を受け取る方法
10.3
サポート・リソース
10.4
Trademarks
10.5
静電気放電に関する注意事項
10.6
用語集
11
Mechanical, Packaging, and Orderable Information
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)
DDW|44
KGD|0
HKY|34
サーマルパッド・メカニカル・データ
DDW|44
PPTD380
発注情報
jajsiy2d_oa
jajsiy2d_pm
9.4.2
Layout Example
Figure 9-6
PCB Layout Example for CDFP package
Figure 9-7
PCB Layout Example for HTSSOP Package