ZHCSHN3D
February 2018 – August 2019
TPS7A05
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路
接地电流与输出电流间的关系
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
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Excellent Transient Response
7.3.2
Active Discharge
7.3.3
Low IQ in Dropout
7.3.4
Undervoltage Lockout (UVLO)
7.3.5
Enable
7.3.6
Internal Foldback Current Limit
7.3.7
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Mode
7.4.2
Dropout Mode
7.4.3
Disable Mode
8
Application and Implementation
8.1
Application Information
8.1.1
Recommended Capacitor Types
8.1.2
Input and Output Capacitor Requirements
8.1.3
Special Considerations When Ramping Down VIN and Enable
8.1.4
Load Transient Response
8.1.5
Dropout Voltage
8.1.5.1
Behavior When Transitioning From Dropout Into Regulation
8.1.5.2
Behavior of Output Resulting From Line Transient When in Dropout
8.1.6
Undervoltage Lockout (UVLO) Operation
8.1.7
Power Dissipation (PD)
8.1.7.1
Estimating Junction Temperature
8.1.7.2
Recommended Area for Continuous Operation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Design Considerations
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
器件支持
11.1.1
Spice 模型
11.1.2
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
机械数据 (封装 | 引脚)
DBV|5
MPDS018T
DQN|4
MPSS021E
YKA|4
MXBG335A
DBZ|3
MPDS108G
散热焊盘机械数据 (封装 | 引脚)
DQN|4
QFND355C
订购信息
zhcshn3d_oa
zhcshn3d_pm
1
特性
超低 I
Q
:1µA(典型值)、3µA(最大值)
I
GND
:在 200mA 下为 6µA(典型值)
绝佳的瞬态响应
封装:
1.0mm × 1.0mm X2SON (4)
0.65mm × 0.65mm DSBGA (4)
SOT-23 (5)
SOT-23 (3)
输入电压范围:1.4V 至 5.5V
输出精度:1% 典型值,3% 最大值
可提供固定输出电压:
0.8V 至 3.3V
非常低的压降:
200mA 时为 235mV(最大值)(3.3V
OUT
)
有源输出放电
折返电流限制
与 0.47µF 或更大的电容器一起工作时保持稳定