ZHCSG73A
April 2017 – September 2020
TPS561201
,
TPS561208
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 (TPS561201)
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
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Resistors Selection
8.2.2.3
Output Filter Selection
8.2.2.4
Input Capacitor Selection
8.2.2.5
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
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DDC|6
MPDS124I
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsg73a_oa
zhcsg73a_pm
1
特性
TPS561201 和 TPS561208 1A 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 (TPS561201) 或持续电流模式 (TPS561208)
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
使用 TPS56120x 并借助
WEBENCH®
电源设计器
创建定制设计方案