ZHCSL64D
april 2019 – may 2023
TPS7H4001-SP
PRODMIX
1
1
特性
2
应用
3
说明
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
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
静电放电警告
10.6
术语表
11
Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DDW|44
KGD|0
HKY|34
散热焊盘机械数据 (封装 | 引脚)
DDW|44
PPTD380
订购信息
zhcsl64d_oa
zhcsl64d_pm
Data Sheet
TPS7H4001-SP 耐辐射 3V 至 7V 输入、
18A 同步降压转换器