ZHCSKN8A december 2019 – april 2023 LM5163H-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 Synchronous Rectifier
- 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 Device and Documentation Support
- 10Mechanical, Packaging, and Orderable Information
6.6 Typical Characteristics
At TA = 25°C, VOUT = 12 V, LO = 120 µH, RRON = 105 kΩ, unless otherwise specified.
Figure 6-1 Conversion Efficiency (Log Scale)
Figure 6-3 VIN Shutdown and Sleep Supply Current versus
Temperature
Figure 6-5 VIN Active Current versus Temperature
Figure 6-7 Feedback Comparator Threshold versus Temperature
Figure 6-9 Peak
and Valley Current Limit versus Temperature
Figure 6-2 Conversion Efficiency (Linear Scale)
Figure 6-4 VIN Shutdown and Sleep Supply Current versus Input
Voltage
Figure 6-6 VIN Active Current versus Input Voltage
Figure 6-8 MOSFETs On-State Resistance versus Temperature
Figure 6-10 COT
On-Time versus VIN