JAJSGM6
December 2018
TPS54360B
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
効率と負荷電流との関係
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed Frequency PWM Control
8.3.2
Slope Compensation Output Current
8.3.3
Pulse Skip Eco-mode
8.3.4
Low Dropout Operation and Bootstrap Voltage (BOOT)
8.3.5
Error Amplifier
8.3.6
Adjusting the Output Voltage
8.3.7
Enable and Adjusting Undervoltage Lockout
8.3.8
Internal Soft Start
8.3.9
Constant Switching Frequency and Timing Resistor (RT/CLK) pin)
8.3.10
Accurate Current Limit Operation and Maximum Switching Frequency
8.3.11
Synchronization to RT/CLK pin
8.3.12
Overvoltage Protection
8.3.13
Thermal Shutdown
8.3.14
Small Signal Model for Loop Response
8.3.15
Simple Small Signal Model for Peak-Current-Mode Control
8.3.16
Small Signal Model for Frequency Compensation
8.4
Device Functional Modes
8.4.1
Operation with VIN ≤ 4.5 V (Minimum VIN)
8.4.2
Operation with EN Control
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Custom Design with WEBENCH® Tools
9.2.2.2
Selecting the Switching Frequency
9.2.2.3
Output Inductor Selection (LO)
9.2.2.4
Output Capacitor
9.2.2.5
Catch Diode
9.2.2.6
Input Capacitor
9.2.2.7
Bootstrap Capacitor Selection
9.2.2.8
Undervoltage Lockout Set Point
9.2.2.9
Output Voltage and Feedback Resistors Selection
9.2.2.10
Minimum VIN
9.2.2.11
Compensation
9.2.2.12
Discontinuous Conduction Mode and Eco-mode Boundary
9.2.2.13
Power Dissipation Estimate
9.2.3
Application Curves
9.3
Other Applications
9.3.1
Inverting Power
9.3.2
Split-Rail Power Supply
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.2.1
Estimated Circuit Area
12
デバイスおよびドキュメントのサポート
12.1
デバイス・サポート
12.1.1
デベロッパー・ネットワークの製品に関する免責事項
12.1.2
WEBENCH®ツールによるカスタム設計
12.2
ドキュメントの更新通知を受け取る方法
12.3
コミュニティ・リソース
12.4
商標
12.5
静電気放電に関する注意事項
13
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DDA|8
MPDS092F
サーマルパッド・メカニカル・データ
DDA|8
PPTD058I
発注情報
jajsgm6_oa
9.2.3
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