JAJSAQ4F
January 2007 – May 2021
LM5002
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
High Voltage VCC Regulator
7.3.2
Oscillator
7.3.3
External Synchronization
7.3.4
Enable and Standby
7.3.5
Error Amplifier and PWM Comparator
7.3.6
Current Amplifier and Slope Compensation
7.3.7
Power MOSFET
7.4
Device Functional Modes
7.4.1
Thermal Protection
8
Application and Implementation
8.1
Application Information
8.1.1
VIN
8.1.2
SW PIN
8.1.3
EN or UVLO Voltage Divider Selection
8.1.4
Soft Start
8.2
Typical Applications
8.2.1
Non-Isolated Flyback Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Switching Frequency
8.2.1.2.2
Flyback Transformer
8.2.1.2.3
Peak MOSFET Current
8.2.1.2.4
Output Capacitance
8.2.1.2.5
Output Diode Rating
8.2.1.2.6
Power Stage Analysis
8.2.1.2.7
Loop Compensation
8.2.2
Isolated Flyback Regulator
8.2.2.1
Design Requirements
8.2.3
Boost Regulator
8.2.3.1
Design Requirements
8.2.4
24-V SEPIC Regulator
8.2.4.1
Design Requirements
8.2.5
12-V Automotive SEPIC Regulator
8.2.5.1
Design Requirements
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
サポート・リソース
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
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)
D|8
MSOI002K
NGT|8
MPDS406A
サーマルパッド・メカニカル・データ
発注情報
jajsaq4f_oa
jajsaq4f_pm
8.2.5
12-V Automotive SEPIC Regulator
Figure 8-9
12-V SEPIC Schematic