ZHCSEM0C
december 2015 – may 2023
TPS65262-2
PRODUCTION DATA
1
1
特性
2
应用
3
说明
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
Adjusting the Output Voltage
7.3.2
Enable and Adjusting Undervoltage Lockout
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
PSM
7.3.9
Slope Compensation
7.3.10
Overcurrent Protection
7.3.10.1
High-Side MOSFET Overcurrent Protection
7.3.10.2
Low-Side MOSFET Overcurrent Protection
7.3.11
Power Good
7.3.12
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Operation With VIN < 4.5 V (Minimum VIN)
7.4.2
Operation with EN Control
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
zhcsem0c_oa
zhcsem0c_pm
1
特性
工作输入电压范围:4.5V 至 18V
反馈基准电压:0.6V ±1%
最大连续输出电流:3A/1A/1A
600kHz 固定开关频率
集成双路 LDO 的输入电压范围:1.3V 至 18V,且持续输出电流:350mA/150mA
针对 Buck1 的可编程软启动时间
针对 Buck2 和 Buck3 的固定软启动时间 1ms
针对 Buck2 和 Buck3 的内部环路补偿
针对每次降压的专用使能引脚
支持脉冲跳跃模式 (PSM) 和强制连续电流模式 (FCCM)
输出电压电源正常状态指示器
热过载保护
32 引脚 VQFN (RHB) 5mm × 5mm 封装
具有过压保护、过流和短路保护以及过热保护功能