ZHCSKD6
October 2019
LM5163
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用
典型应用效率,VOUT = 12V
4
修订历史记录
5
Pin Configuration and Functions
Pin 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
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
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
Sleep Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Switching Frequency (RRON)
8.2.2.3
Buck Inductor (LO)
8.2.2.4
Output Capacitor (COUT)
8.2.2.5
Input Capacitor (CIN)
8.2.2.6
Type 3 Ripple Network
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Compact PCB Layout for EMI Reduction
10.1.2
Feedback Resistors
10.2
Layout Example
11
器件和文档支持
11.1
器件支持
11.1.1
第三方产品免责声明
11.1.2
开发支持
11.1.2.1
使用 WEBENCH® 工具创建定制设计
11.2
相关文档
11.3
接收文档更新通知
11.4
支持资源
11.5
商标
11.6
静电放电警告
11.7
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD058I
订购信息
zhcskd6_oa
6.6
Typical Characteristics
At T
A
= 25°C, V
OUT
= 12 V, L
O
= 120 µH, R
RON
= 105 kΩ, unless otherwise specified.
Figure 1.
Conversion Efficiency (Log Scale)
Figure 3.
V
IN
Shutdown and Sleep Supply Current versus Temperature
Figure 5.
V
IN
Active Current versus Temperature
Figure 7.
Feedback Comparator Threshold versus Temperature
Figure 9.
Peak and Valley Current Limit versus Temperature
Figure 2.
Conversion Efficiency (Linear Scale)
Figure 4.
V
IN
Shutdown and Sleep Supply Current versus Input Voltage
Figure 6.
V
IN
Active Current versus Input Voltage
Figure 8.
MOSFETs On-State Resistance versus Temperature
Figure 10.
COT On-Time versus V
IN