ZHCSNW4 October 2022 LM5012-Q1
PRODUCTION DATA
- 1 特性
- 2 應用
- 3 說明
- 4 Revision History
- 5 Device Comparison Table
- 6 Pin Configuration and Functions
- 7 Specifications
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3
Feature Description
- 8.3.1 Control Architecture
- 8.3.2 Internal VCC Regulator and Bootstrap Capacitor
- 8.3.3 Regulation Comparator
- 8.3.4 Internal Soft Start
- 8.3.5 On-Time Generator
- 8.3.6 Current Limit
- 8.3.7 N-Channel Buck Switch and Driver
- 8.3.8 Schottky Diode Selection
- 8.3.9 Enable/Undervoltage Lockout (EN/UVLO)
- 8.3.10 Power Good (PGOOD)
- 8.3.11 Thermal Protection
- 8.4 Device Functional Modes
- 9 Application and Implementation
- 10Device and Documentation Support
- 11Mechanical, Packaging, and Orderable Information
7.6 Typical Characteristics
Figure 7-1 Conversion Efficiency (Linear Scale)
Figure 7-3 Shutdown, Sleep, and Supply Current Versus Temperature
Figure 7-5 Feedback Comparator Threshold Versus Temperature
Figure 7-7 Peak
Current Limit Versus Temperature
Figure 7-2 Load
and Line RegulationFigure 7-4 VIN Active Current Versus Temperature
Figure 7-6 MOSFETs On-State Resistance Versus Temperature
Figure 7-8 COT
On Time Versus VIN