ZHCSHF3C
january 2018 – may 2023
TPS65268-Q1
PRODUCTION DATA
1
1
特性
2
应用
3
描述
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjusting the Output Voltage
7.3.2
Enable and Adjusting UVLO
7.3.3
Soft-Start Time
7.3.4
Power-Up Sequencing
7.3.5
V7V Low-Dropout Regulator and Bootstrap
7.3.6
Out-of-Phase Operation
7.3.7
Output Overvoltage Protection (OVP)
7.3.8
Slope Compensation
7.3.9
Overcurrent Protection
7.3.9.1
High-Side MOSFET Overcurrent Protection
7.3.9.2
Low-Side MOSFET Overcurrent Protection
7.3.10
Power Good
7.3.10.1
Adjustable Switching Frequency
7.3.11
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Standby Operation
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 Inductor Selection
8.2.2.2
Output Capacitor Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Loop Compensation
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
接收文档更新通知
9.2
支持资源
9.3
Trademarks
9.4
静电放电警告
9.5
术语表
10
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RHB|32
MPQF130D
散热焊盘机械数据 (封装 | 引脚)
RHB|32
QFND029X
订购信息
zhcshf3c_oa
zhcshf3c_pm
1
特性
符合汽车应用要求
具有符合 AEC-Q100 标准的下列特性:
器件温度等级 1:-40°C 至 +125°C 的工作结温范围
器件 HBM ESD 分类等级 2
器件 CDM ESD 分类等级 C4B
工作输入电压范围 4V 至 8V,最大连续输出电流 3A、2A、
2A
反馈基准电压为 0.6V ±1%
可调节时钟频率范围为 200kHz 至 2.3MHz
强制连续电流模式 (FCCM)
外部时钟同步
针对每次降压的专用使能引脚和软启动引脚
输出电压电源正常状态指示器
热过载保护