ZHCSQ57 October 2022 LM5013
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 and 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 Characteristivcs
At TA = 25°C, VOUT = 12 V, LO = 33 μH, and RRON = 105 kΩ, unless otherwise specified.
Figure 7-1 Conversion
Efficiency (Linear Scale)
Figure 7-3 Shutdown,
Sleep, and Supply Current vs Temperature
Figure 7-5 Feedback
Comparator Threshold vs TemperatureFigure 7-7 Peak Current
Limit vs Temperature
Figure 7-2 Load and Line
RegulationFigure 7-4 VIN Active
Current vs Temperature
Figure 7-6 MOSFETs On-State
Resistance vs Temperature
Figure 7-8 COT On Time vs
VIN