ZHCSI22F
October 2017 – December 2021
TPS2662
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
Timing Requirements
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Undervoltage Lockout (UVLO)
9.3.2
Overvoltage Protection (OVP)
9.3.3
Hot Plug-In and Inrush Current Control
9.3.4
Reverse Polarity Protection
9.3.4.1
Input Side Reverse Polarity Protection
9.3.4.2
Output Side Reverse Polarity Protection
9.3.5
Overload and Short-Circuit Protection
9.3.5.1
Overload Protection
28
9.3.5.2
Short-Circuit Protection
9.3.5.2.1
Start-Up With Short-Circuit On Output
9.3.6
Reverse Current Protection
9.3.7
FAULT Response
9.3.8
IN, OUT, RTN, and GND Pins
9.3.9
Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Low Current Shutdown Control (SHDN)
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
Step-by-Step Design Procedure
10.2.2.2
Programming the Current Limit Threshold R(ILIM) Selection
10.2.2.3
Undervoltage Lockout and Overvoltage Set Point
10.2.2.4
Setting Output Voltage Ramp Time—(tdVdT)
10.2.2.4.1
Case 1: Start-Up Without Load—Only Output Capacitance C(OUT) Draws Current During Start-Up
10.2.2.4.2
Case 2: Start-Up With Load —Output Capacitance C(OUT) and Load Draws Current During Start-Up
10.2.2.4.3
Support Component Selections – R FLT and C(IN)
10.2.3
Application Curves
10.3
System Examples
10.3.1
Field Supply Protection in PLC, DCS I/O Modules
10.3.2
Simple 24-V Power Supply Path Protection
10.3.3
Power Stealing in Smart Thermostat
10.4
Do's and Don'ts
11
Power Supply Recommendations
11.1
Transient Protection
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
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)
DRC|10
MPDS117L
散热焊盘机械数据 (封装 | 引脚)
DRC|10
QFND013N
订购信息
zhcsi22f_oa
zhcsi22f_pm
1
特性
工作电压为 4.5V 至 60V,
绝对最大值为 62V
集成反向输入极性保护,低至
–60V
集成反向输出极性保护,低至
–(60 – V
IN
)(仅限 TPS26624 和 TPS26625)
总 RON 为 478mΩ 的集成背对背 MOSFET
25mA 至 880mA 可调节电流限制
(880mA 时精度为 ±5%)
使用最少的外部组件在浪涌期间提供负载保护 (IEC 61000-4-5)
符合 IEC 61000-4-4 标准的电气快速瞬变抗扰度
快速反向电流阻断响应 (0.3µs)
可调节 UVLO、OVP 切断、
输出压摆率控制,用于浪涌电流限制
38V 固定过压钳位
(仅限 TPS26622 和 TPS26623)
低静态电流(工作时为 340µA,
关断时为 12µA)
小尺寸 - 10L (3mm × 3mm) VSON
通过 UL 2367 认证
文件编号 169910
R
ILIM
≥ 7.5kΩ(最大电流为 0.91A)
通过 IEC 62368-1 认证
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