JAJSAS9F
April 2007 – November 2023
LM25116
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
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
Switching Characteristics
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
High-Voltage Start-Up Regulator
6.3.2
Enable
6.3.3
UVLO
6.3.4
Oscillator and Sync Capability
6.3.5
Error Amplifier and PWM Comparator
6.3.6
Ramp Generator
6.3.7
Current Limit
6.3.8
HO Output
6.3.9
Thermal Protection
6.4
Device Functional Modes
6.4.1
Soft Start and Diode Emulation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Timing Resistor
7.2.2.2
Output Inductor
7.2.2.3
Current Sense Resistor
7.2.2.4
Ramp Capacitor
7.2.2.5
Output Capacitors
7.2.2.6
Input Capacitors
7.2.2.7
VCC Capacitor
7.2.2.8
Bootstrap Capacitor
7.2.2.9
Soft Start Capacitor
7.2.2.10
Output Voltage Divider
7.2.2.11
UVLO Divider
7.2.2.12
MOSFETs
7.2.2.13
MOSFET Snubber
7.2.2.14
Error Amplifier Compensation
7.2.2.15
Comprehensive Equations
7.2.2.15.1
Current Sense Resistor and Ramp Capacitor
7.2.2.15.2
Modulator Transfer Function
7.2.2.15.3
Error Amplifier Transfer Function
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
ドキュメントの更新通知を受け取る方法
8.2
サポート・リソース
8.3
Trademarks
8.4
静電気放電に関する注意事項
8.5
用語集
9
Revision History
10
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|20
MHTS001G
サーマルパッド・メカニカル・データ
PWP|20
PPTD289
発注情報
jajsas9f_oa
jajsas9f_pm
7.2.2.15
Comprehensive Equations