ZHCSMT1
September 2021
LM74700-EP
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and 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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage
8.3.2
Charge Pump
8.3.3
Gate Driver
8.3.4
Enable
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Conduction Mode
8.4.2.1
Regulated Conduction Mode
8.4.2.2
Full Conduction Mode
8.4.2.3
Reverse Current Protection Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Design Considerations
9.2.2.2
MOSFET Selection
9.2.2.3
Charge Pump VCAP, input and output capacitance
9.2.3
Selection of TVS Diodes for 12-V Battery Protection Applications
9.2.4
Selection of TVS Diodes and MOSFET for 24-V Battery Protection Applications
9.2.5
Application Curves
9.3
OR-ing Application Configuration
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
接收文档更新通知
12.2
支持资源
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DDF|8
MPDS569D
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsmt1_oa
1
特性
3.2V 至 65V 输入范围(3.9V 启动)
-65V 反向电压额定值
适用于外部 N 沟道 MOSFET 的电荷泵
20mV 阳极至阴极正向压降调节
使能引脚特性
1µA 关断电流(EN = 低电平)
80µA 工作静态电流(EN = 高电平)
2.3A 峰值栅极关断电流
快速响应反向电流阻断:
小于 0.75µs
采用合适的 TVS 二极管,符合汽车 ISO7637 瞬态要求
采用 8 引脚 SOT-23 封装 2.90mm × 1.60mm
军用级温度范围(–55°C 至 +125°C)
制造、组装和测试一体化基地
延长了产品生命周期
延长了产品变更通知
产品可追溯性