ZHCSOH8E
july 2021 – august 2023
TPS7H5001-SP
,
TPS7H5002-SP
,
TPS7H5003-SP
,
TPS7H5004-SP
PRODMIX
1
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Device Options
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics: All Devices
8.6
Electrical Characteristics: TPS7H5001-SP
8.7
Electrical Characteristics: TPS7H5002-SP
8.8
Electrical Characteristics: TPS7H5003-SP
8.9
Electrical Characteristics: TPS7H5004-SP
8.10
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
VIN and VLDO
9.3.2
Start-Up
9.3.3
Enable and Undervoltage Lockout (UVLO)
9.3.4
Voltage Reference
9.3.5
Error Amplifier
9.3.6
Output Voltage Programming
9.3.7
Soft Start (SS)
9.3.8
Switching Frequency and External Synchronization
9.3.8.1
Internal Oscillator Mode
9.3.8.2
External Synchronization Mode
9.3.8.3
Primary-Secondary Mode
9.3.9
Primary Switching Outputs (OUTA/OUTB)
9.3.10
Synchronous Rectifier Outputs (SRA and SRB)
9.3.11
Dead Time and Leading Edge Blank Time Programmability (PS, SP, and LEB)
9.3.12
Pulse Skipping
9.3.13
Duty Cycle Programmability
9.3.14
Current Sense and PWM Generation (CS_ILIM)
9.3.15
Hiccup Mode Operation (HICC)
9.3.16
External Fault Protection (FAULT)
9.3.17
Slope Compensation (RSC)
9.3.18
Frequency Compensation
9.3.19
Thermal Shutdown
9.4
Device Functional Modes
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
Switching Frequency
10.2.2.2
Output Voltage Programming Resistors
10.2.2.3
Dead Time
10.2.2.4
Leading Edge Blank Time
10.2.2.5
Soft-Start Capacitor
10.2.2.6
Transformer
10.2.2.7
Main Switching FETs
10.2.2.8
Synchronous Rectificier FETs
10.2.2.9
RCD Clamp
10.2.2.10
Output Inductor
10.2.2.11
Output Capacitance and Filter
10.2.2.12
Sense Resistor
10.2.2.13
Hiccup Capacitor
10.2.2.14
Frequency Compensation Components
10.2.2.15
Slope Compensation Resistor
10.2.3
Application Curves
10.3
Power Supply Recommendations
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
接收文档更新通知
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
12
Mechanical, Packaging, and Orderable Information
1
特性
辐射性能:
耐辐射加固保障 (RHA) 高达
100krad(Si) TID
SEL、SEB 和 SEGR 抗扰度
LET = 75MeV-cm
2
/mg
SET 和 SEFI 额定抗扰度高达
LET = 75MeV-cm
2
/mg
SET 表征期间未发现控制器输出跨导事件
输入电压:4V 至 14V
在温度、辐射以及线路和负载调节范围内提供 0.613V +0.7%/-1% 的电压基准
开关频率范围为 100kHz 至 2MHz
外部时钟同步功能
同步整流输出
TPS7H5001-SP、TPS7H5002-SP、
TPS7H5003-SP
可调死区时间
TPS7H5001-SP、TPS7H5002-SP
可调前沿消隐时间
TPS7H5001-SP、TPS7H5002-SP、
TPS7H5004-SP
可配置的占空比限值
TPS7H5001-SP、TPS7H5002-SP、
TPS7H5003-SP
可调斜坡补偿和软启动
封装选项包括 CFP(所有器件)和 TSSOP (TPS7H5001-SP)