ZHCSLS6B
August 2020 – June 2022
TPS628510
,
TPS628511
,
TPS628512
,
TPS628513
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison 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
7.6
Typical Characteristics
8
Parameter Measurement Information
8.1
Schematic
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Precise Enable (EN)
9.3.2
MODE / SYNC
9.3.3
Spread Spectrum Clocking (SSC)
9.3.4
Undervoltage Lockout (UVLO)
9.3.5
Power Good Output (PG)
9.3.6
Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Pulse Width Modulation (PWM) Operation
9.4.2
Power Save Mode Operation (PWM/PFM)
9.4.3
100% Duty-Cycle Operation
9.4.4
Current Limit and Short Circuit Protection
9.4.5
Foldback Current Limit and Short Circuit Protection
9.4.6
Output Discharge
9.4.7
Soft Start / Tracking (SS/TR)
9.4.8
Input Overvoltage Protection
10
Application and Implementation
10.1
Application Information
10.1.1
Programming the Output Voltage
10.1.2
Inductor Selection
10.1.3
Capacitor Selection
10.1.3.1
Input Capacitor
10.1.3.2
Output Capacitor
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curves
10.3
System Examples
10.3.1
Voltage Tracking
10.3.2
Synchronizing to an External Clock
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
第三方产品免责声明
13.2
接收文档更新通知
13.3
支持资源
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
术语表
14
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRL|8
MPCS002F
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsls6b_oa
zhcsls6b_pm
1
特性
提供功能安全
可帮助进行功能安全系统设计的文档
输入电压范围:2.7V 至 6V
输出电压范围为 0.6V 至 5.5V
反馈电压精度为 1%(整个温度范围)
T
J
= -40°C 至 +150°C
0.5A、1A、2A(持续)和 3A(峰值)系列器件
PWM 中的开关频率:2.25MHz
外部同步为 1.8MHz 至 4MHz
强制 PWM 或 PWM/PFM 操作
静态电流:17µA(典型值)
可调软启动时间为 10ms
精密使能输入可实现:
用户定义的欠压锁定
准确排序
100% 占空比模式
有源输出放电
具有窗口比较器的电源正常输出
有关具有可选补偿的器件选项,请参阅
TPS628501