ZHCSTR3B
December 2010 – November 2023
TPS53315
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
D-CAP™ Integrated Circuit with Adaptive On-Time
6.3.2
Small Signal Model
6.3.3
Ramp Signal
6.3.4
Auto-Skip Eco-mode Light Load Operation
6.3.5
Adaptive Zero Crossing
6.3.6
Forced Continuous Conduction Mode
6.3.7
Power Good
6.3.8
Current Sense and Overcurrent Protection
6.3.9
Overvoltage and Undervoltage Protection
6.3.10
UVLO Protection
6.3.11
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Enable and Soft Start
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Typical Application Circuit Diagram
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.2.1
Step 1: Select Operation Mode and Soft-Start Time
7.2.1.2.2
Step 2: Select Switching Frequency
7.2.1.2.3
Step 3: Select the Inductance
7.2.1.2.4
Step 4: Select Output Capacitors
7.2.1.2.5
Step 5: Determine the Voltage-Divider Resistance (R1 and R2)
7.2.1.2.6
Step 6: Select the Overcurrent Resistance (RTRIP)
7.2.1.3
Application Curves
7.2.2
Typical Application Circuit Diagram With Ceramic Output Capacitors
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.2.1
Step 1: Select Operation Mode and Soft-Start Time
7.2.2.2.2
Step 2: Select Switching Frequency
7.2.2.2.3
Step 3: Select the Inductance
7.2.2.2.4
Step 4: Select Output Capacitance for Ceramic Capacitors
7.2.2.2.5
Step 5: Select the Overcurrent Setting Resistance (RTRIP)
7.2.2.3
External Component Selection When Using All Ceramic Output Capacitors
7.2.2.4
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
7.4.2.1
Thermal Considerations
8
Device and Documentation Support
8.1
接收文档更新通知
8.2
支持资源
8.3
Trademarks
8.4
静电放电警告
8.5
术语表
9
Revision History
10
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RGF|40
MPQF173F
散热焊盘机械数据 (封装 | 引脚)
RGF|40
QFND162J
订购信息
zhcstr3b_oa
zhcstr3b_pm
7.2.2.2.5
Step 5: Select the Overcurrent Setting Resistance (R
TRIP
)
Equation 13.
where
I
TRIP
is the TRIP pin sourcing current (10 µA)
R
DS(on)
is the thermally compensated on-time resistance value of the low-side MOSFET which is 7 mΩ
千亿体育app官网登录(中国)官方网站IOS/安卓通用版/手机APP
|
米乐app下载官网(中国)|ios|Android/通用版APP最新版
|
米乐|米乐·M6(中国大陆)官方网站
|
千亿体育登陆地址
|
华体会体育(中国)HTH·官方网站
|
千赢qy国际_全站最新版千赢qy国际V6.2.14安卓/IOS下载
|
18新利网v1.2.5|中国官方网站
|
bob电竞真人(中国官网)安卓/ios苹果/电脑版【1.97.95版下载】
|
千亿体育app官方下载(中国)官方网站IOS/安卓/手机APP下载安装
|