ZHCSKC2A
March 2019 – October 2019
TPS22948
PRODUCTION DATA.
1
特性
2
应用
3
说明
简化原理图
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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Timing Waveform Diagram
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
On and Off Control
8.3.2
Fault Indication (FLT)
8.3.3
Current Limiting (VSC)
8.3.4
Reverse Current Blocking (RCB)
8.4
Device Functional Modes
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
Limiting Inrush Current
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
接收文档更新通知
12.2
支持资源
12.3
商标
12.4
静电放电警告
12.5
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DCK|6
MPDS114C
散热焊盘机械数据 (封装 | 引脚)
DCK|6
QFND228B
订购信息
zhcskc2a_pm
1
特性
输入工作电压范围 (V
IN
):
2.5V 至 5.5V
输出电流限制 (I
LIMIT
):
240mA(典型值)
热关断 (TSD)
导通电阻 (R
ON
):
300mΩ(典型值)
慢速开通时序可限制浪涌电流(典型值):
开通时间 (t
ON
):
6.6mV/μs 时为 820us
常开的反向电流阻断 (RCB):
导通状态激活电流 (I
RCB
):
–200mA(典型值)
故障指示 (FLT)
智能 ON 引脚下拉电阻 (R
PD,ON
):
ON V
IH
(I
ON
):25nA(最大值)
ON V
IL
(R
PD,ON
):500kΩ(典型值)
低功耗:
导通状态 (I
Q
):50uA(典型值)
关断状态 (I
SD
):0.3uA(典型值)