ZHCSK49B
August 2019 – January 2020
TPS7A24
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路
静态电流与输入电压 (VOUT = 1.24V,IOUT = 0A)
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 Diagrams
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
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 Transients
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
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DBV|5
MPDS018O
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsk49b_oa
zhcsk49b_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
可调节电压:1.24V 至 17.75V
在工作温度范围内的精度为 2%
低压降:电流 200mA 时为 250mV(最大值)
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:5 引脚 SOT-23