ZHCSLU7A
September 2020 – August 2021
TPS54618C-Q1
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency PWM Control
7.3.2
Slope Compensation and Output Current
7.3.3
Bootstrap Voltage (Boot) and Low Dropout Operation
7.3.4
Error Amplifier
7.3.5
Voltage Reference
7.3.6
Adjusting the Output Voltage
7.3.7
Enable and Adjusting Undervoltage Lockout
7.3.8
Soft-Start Pin
7.3.9
Sequencing
7.3.10
Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
7.3.11
Overcurrent Protection
7.3.12
Frequency Shift
7.3.13
Reverse Overcurrent Protection
7.3.14
Synchronize Using the RT/CLK Pin
7.3.15
Power Good (PWRGD Pin)
7.3.16
Overvoltage Transient Protection
7.3.17
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Simple Small Signal Model for Peak Current Mode Control
7.4.2
Small Signal Model for Frequency Compensation
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
Step One: Select the Switching Frequency
8.2.2.2
Step Two: Select the Output Inductor
8.2.2.3
Step Three: Choose the Output Capacitor
8.2.2.4
Step Four: Select the Input Capacitor
8.2.2.5
Step Five: Choose the Soft-Start Capacitor
8.2.2.6
Step Six: Select the Bootstrap Capacitor
8.2.2.7
Step Eight: Select Output Voltage and Feedback Resistors
8.2.2.7.1
Output Voltage Limitations
8.2.2.8
Step Nine: Select Loop Compensation Components
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Power Dissipation Estimate
11
Device and Documentation Support
11.1
Device Support
11.1.1
Developmental Support
11.2
接收文档更新通知
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RTE|16
MPQF149D
散热焊盘机械数据 (封装 | 引脚)
RTE|16
QFND290G
订购信息
zhcslu7a_oa
zhcslu7a_pm
1
特性
符合面向汽车应用的 AEC-Q100 标准:
温度等级 1:-40°C 至 +125°C,T
A
提供功能安全
可帮助进行功能安全系统设计的文档
两个可在 6A 负载下获得高效率的 12mΩ(典型值)MOSFET
300kHz 至 2MHz 开关频率
在工作温度范围(-40°C 至 +150°C)内
具有 0.8V ±1% 电压基准
与外部时钟同步
可调缓启动和排序
欠压 (UV) 和过压 (OV) 电源正常输出
推出的新米6体育平台手机版_好二三四:
TPS62816-Q1
采用具有可湿性侧面的 2mm x 3mm QFN 封装的 6V 降压转换器
热增强型 3mm × 3mm、16 引脚 WQFN 封装
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