JAJSGP6A
December 2018 – September 2021
LM34936-Q1
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and 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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency Valley/Peak Current Mode Control with Slope Compensation
7.3.2
VCC Regulator and Optional BIAS Input
7.3.3
Enable/UVLO
7.3.4
Soft Start
7.3.5
Overcurrent Protection
7.3.6
Average Input/Output Current Limiting
7.3.7
Operation Above 28-V Input
7.3.8
CCM Operation
7.3.9
Frequency and Synchronization (RT/SYNC)
7.3.10
Frequency Dithering
7.3.11
Output Overvoltage Protection (OVP)
7.3.12
Power Good (PGOOD)
7.3.13
Gm Error Amplifier
7.3.14
Integrated Gate Drivers
7.3.15
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown, Standby, and Operating Modes
7.4.2
MODE Pin Configuration
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
Frequency
8.2.2.3
VOUT
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor
8.2.2.6
Input Capacitor
8.2.2.7
Sense Resistor (RSENSE)
8.2.2.8
Slope Compensation
8.2.2.9
UVLO
8.2.2.10
Soft-Start Capacitor
8.2.2.11
Dither Capacitor
8.2.2.12
MOSFETs QH1 and QL1
8.2.2.13
MOSFETs QH2 and QL2
8.2.2.14
Frequency Compensation
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.2.1
Custom Design with WEBENCH Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
サポート・リソース
11.5
Trademarks
11.6
静電気放電に関する注意事項
11.7
用語集
12
Mechanical, Packaging, and Orderable Information
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)
PWP|28
MPDS373B
サーマルパッド・メカニカル・データ
PWP|28
PPTD396
発注情報
jajsgp6a_oa
jajsgp6a_pm
11.1.2
Development Support