ZHCSQD0 April 2022 LM5013-Q1
PRODUCTION DATA
- 1 特性
- 2 应用
- 3 说明
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 Control Architecture
- 7.3.2 Internal VCC Regulator and Bootstrap Capacitor
- 7.3.3 Regulation Comparator
- 7.3.4 Internal Soft Start
- 7.3.5 On-Time Generator
- 7.3.6 Current Limit
- 7.3.7 N-Channel Buck Switch and Driver
- 7.3.8 Schottky Diode Selection
- 7.3.9 Enable/Undervoltage Lockout (EN/UVLO)
- 7.3.10 Power Good (PGOOD)
- 7.3.11 Thermal Protection
- 7.4 Device Functional Modes
- 8 Application and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Mechanical, Packaging, and Orderable Information
6.6 Typical Characteristics
At TA = 25°C, VOUT = 12 V, LO = 33 µH, RRON = 105 kΩ, unless otherwise specified
Figure 6-1 Conversion Efficiency (Linear Scale)
Figure 6-3 Shutdown, Sleep, and Supply Current Versus Temperature
Figure 6-5 Feedback Comparator Threshold Versus Temperature
Figure 6-7 Peak
Current Limit Versus Temperature
Figure 6-2 Load
and Line RegulationFigure 6-4 VIN Active Current Versus Temperature
Figure 6-6 MOSFETs On-State Resistance Versus Temperature
Figure 6-8 COT
On Time Versus VIN