ZHCSH73B
November 2017 – April 2018
TPSM84824
PRODUCTION DATA.
1
特性
2
应用
简化原理图
3
说明
瞬态响应
4
修订历史记录
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
Switching Characteristics
6.7
Typical Characteristics (VIN = 12 V)
6.8
Typical Characteristics (VIN = 5 V)
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
Switching Frequency (RT)
7.3.3
Synchronization (CLK)
7.3.4
Output On/Off Enable (EN)
7.3.5
Input Capacitor Selection
7.3.6
Output Capacitor Selection
7.3.7
TurboTrans (TT)
7.3.7.1
Low-ESR Output Capacitors
7.3.7.2
Transient Response
7.3.7.2.1
Transient Waveforms (VIN = 12 V)
7.3.8
Undervoltage Lockout (UVLO)
7.3.9
Soft Start (SS/TR)
7.3.10
Sequencing (SS/TR)
7.3.11
Power Good (PGOOD)
7.3.12
Safe Start-up into Pre-Biased Outputs
7.3.13
Overcurrent Protection
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Shutdown Mode
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 Setpoint
8.2.2.3
Setting the Switching Frequency
8.2.2.4
Input Capacitors
8.2.2.5
Output Capacitors
8.2.2.6
TurboTrans Resistor
8.2.2.7
Application Waveforms
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
EMI
10.3.1
EMI Plots
10.4
Package Specifications
11
器件和文档支持
11.1
器件支持
11.1.1
Third-Party Products Disclaimer
11.1.2
开发支持
11.1.2.1
使用 WEBENCH® 工具创建定制设计
11.2
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
MOL|24
MPQF489
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsh73b_oa
1
特性
集成电感器电源解决方案
7.5mm × 7.5mm × 5.3mm QFM 封装
所有引脚均分布在封装外围
输入电压范围:4.5V 至 17V
宽输出电压范围:0.6V 至 10V
效率高达 96%
可调节固定开关频率
(200kHz 至 1.6MHz)
支持与外部时钟同步
超快速负载阶跃响应 (TurboTrans™)
电源正常输出
符合 EN55011 B 类辐射 EMI 限制
工作环境温度范围:-40°C 至 +105°C
工作 IC 结温范围:-40°C 至 +150°C
使用 TPSM84824 并借助
WEBENCH® Power Designer
创建定制设计方案