ZHCSJ43
December 2018
TPS54360B
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
效率与负载电流间的关系
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
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 Output Current
7.3.3
Pulse Skip Eco-mode
7.3.4
Low Dropout Operation and Bootstrap Voltage (BOOT)
7.3.5
Error Amplifier
7.3.6
Adjusting the Output Voltage
7.3.7
Enable and Adjusting Undervoltage Lockout
7.3.8
Internal Soft Start
7.3.9
Constant Switching Frequency and Timing Resistor (RT/CLK) pin)
7.3.10
Accurate Current Limit Operation and Maximum Switching Frequency
7.3.11
Synchronization to RT/CLK pin
7.3.12
Overvoltage Protection
7.3.13
Thermal Shutdown
7.3.14
Small Signal Model for Loop Response
7.3.15
Simple Small Signal Model for Peak-Current-Mode Control
7.3.16
Small Signal Model for Frequency Compensation
7.4
Device Functional Modes
7.4.1
Operation with VIN ≤ 4.5 V (Minimum VIN)
7.4.2
Operation with EN Control
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
Selecting the Switching Frequency
8.2.2.3
Output Inductor Selection (LO)
8.2.2.4
Output Capacitor
8.2.2.5
Catch Diode
8.2.2.6
Input Capacitor
8.2.2.7
Bootstrap Capacitor Selection
8.2.2.8
Undervoltage Lockout Set Point
8.2.2.9
Output Voltage and Feedback Resistors Selection
8.2.2.10
Minimum VIN
8.2.2.11
Compensation
8.2.2.12
Discontinuous Conduction Mode and Eco-mode Boundary
8.2.2.13
Power Dissipation Estimate
8.2.3
Application Curves
8.3
Other Applications
8.3.1
Inverting Power
8.3.2
Split-Rail Power Supply
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.2.1
Estimated Circuit Area
11
器件和文档支持
11.1
器件支持
11.1.1
第三方米6体育平台手机版_好二三四免责声明
11.1.2
使用 WEBENCH® 工具定制设计方案
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
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD058I
订购信息
zhcsj43_oa
8.2.3
Application Curves
Figure 33.
Load Transient
Figure 35.
Start-up With VIN
Figure 37.
Output Ripple CCM
Figure 39.
Output Ripple PSM
Figure 41.
Input Ripple DCM
Figure 43.
Efficiency vs Load Current
Figure 45.
Efficiency vs Load Current
Figure 47.
Overall Loop Frequency Response
Figure 49.
Regulation vs Input Voltage
Figure 34.
Line Transient (8 V to 40 V)
Figure 36.
Start-up With EN
Figure 38.
Output Ripple DCM
Figure 40.
Input Ripple CCM
Figure 42.
Low Dropout Operation
Figure 44.
Light Load Efficiency
Figure 46.
Light Load Efficiency
Figure 48.
Regulation vs Load Current
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