ZHCSEL5B
December 2015 – September 2020
TPS562201
,
TPS562208
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
Pin 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
Adaptive On-Time Control and PWM Operation
7.3.2
Pulse Skip Control (TPS562201)
7.3.3
Soft Start and Pre-Biased Soft Start
7.3.4
Current Protection
7.3.5
Undervoltage Lockout (UVLO) Protection
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Eco-mode Operation
7.4.3
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 Voltage Resistors Selection
8.2.2.2
Output Filter Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Bootstrap Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DDC|6
MPDS124G
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsel5b_oa
zhcsel5b_pm
1
特性
TPS562201 和 TPS562208 2A 转换器集成了 140mΩ 和 84mΩ FET
{1}D-CAP2{2} 模式控制,用于快速瞬态响应
输入电压范围:4.5V 至 17V
输出电压范围:0.76V 至 7V
脉冲跳跃模式 (TPS562201) 或持续电流模式 (TPS562208)
580kHz 开关频率
低关断电流(低于 10µA)
2% 反馈电压精度 (25°C)
从预偏置输出电压启动
逐周期过流限制
断续模式过流保护
非锁存欠压保护 (UVP) 和热关断 (TSD) 保护
固定软启动:1.0ms