ZHCSHL1B
September 2017 – December 2021
TPS22917
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Switching Characteristics
7.7
Typical Characteristics
7.7.1
Typical Electrical Characteristics
7.7.2
Typical Switching Characteristics
8
Parameter Measurement Information
8.1
Test Circuit and Timing Waveforms Diagrams
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
On and Off Control
9.3.2
Turn-On Time (tON) and Adjustable Slew Rate (CT)
9.3.3
Fall Time (tFALL) and Quick Output Discharge (QOD)
9.3.3.1
QOD When System Power is Removed
9.4
Full-Time Reverse Current Blocking
9.5
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Limiting Inrush Current
10.2.2.2
Application Curves
10.2.2.3
Setting Fall Time for Shutdown Power Sequencing
10.2.2.4
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Considerations
13
Device and Documentation Support
13.1
接收文档更新通知
13.2
支持资源
13.3
Trademarks
13.4
Electrostatic Discharge Caution
13.5
术语表
14
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DBV|6
MPDS026P
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcshl1b_oa
zhcshl1b_pm
1
特性
输入电压范围 (V
IN
):1V 至 5.5V
最大持续电流 (I
MAX
):2A
导通电阻 (R
ON
)
5V V
IN
= 80mΩ(典型值)
1.8V V
IN
= 120mΩ(典型值)
1V V
IN
= 220mΩ(典型值)
超低功耗:
导通状态 (I
Q
):0.5µA(典型值)
关闭状态 (I
SD
):10nA(典型值)
ON 引脚智能下拉电阻 (R
PD
):
ON ≥ VIH (I
ON
):10nA(最大值)
ON ≤ VIL (R
PD
):750kΩ(典型值)
可调节开通时序可限制浪涌电流 (t
ON
):
在 72mV/μs(C
T
= 开路)下,5V t
ON
= 100μs
5V t
ON
= 4000μs,2.3mV/μs (C
T
= 1000pF)
可调节输出放电和下降时间:
可选 QOD 电阻 ≥ 150Ω(内部)
常开的真反向电流阻断 (RCB):
激活电流 (I
RCB
):–500mA(典型值)
反向泄漏电流 (I
IN,RCB
):-1µA(最大值)
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