ZHCSHP4B
December 2018 – October 2019
TPS7A26
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路
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
Output Enable
7.3.2
Dropout Voltage
7.3.3
Current Limit
7.3.4
Undervoltage Lockout (UVLO)
7.3.5
Thermal Shutdown
7.3.6
Power Good
7.3.7
Active Overshoot Pulldown Circuitry
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Adjustable Device Feedback Resistors
8.1.2
Recommended Capacitor Types
8.1.3
Input and Output Capacitor Requirements
8.1.4
Reverse Current
8.1.5
Feed-Forward Capacitor (CFF)
8.1.6
Power Dissipation (PD)
8.1.7
Estimating Junction Temperature
8.1.8
Special Consideration for Line Transient
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Transient Response
8.2.2.2
Selecting Feedback Divider Resistors
8.2.2.3
Thermal Dissipation
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
器件和文档支持
11.1
器件支持
11.1.1
器件命名规则
11.2
文档支持
11.2.1
相关文档
11.3
接收文档更新通知
11.4
社区资源
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
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DRV|6
散热焊盘机械数据 (封装 | 引脚)
DRV|6
QFND087M
订购信息
zhcshp4b_oa
zhcshp4b_pm
1
特性
超低 I
Q
:2.0µA
输入电压:2.4V 至 18V
可用输出电压选项:
固定电压:1.25V 至 5.5V
可调节:1.24V 至 17.4V
在温度范围内的精度为 1%
低压降:电流 500mA 时为 590mV(最大值)
开漏电源正常状态输出
主动过冲下拉保护
热关断保护和过流保护
工作结温范围:–40°C 至 +125°C
与 1µF 输出电容器一起工作时保持稳定
封装:6 引脚 WSON