ZHCSKY8H
March 2020 – July 2024
TPS7A20
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Low Output Noise
6.3.2
Smart Enable
6.3.3
Dropout Voltage
6.3.4
Foldback Current Limit
6.3.5
Undervoltage Lockout (UVLO)
6.3.6
Thermal Shutdown
6.3.7
Active Discharge (P Version Only)
6.4
Device Functional Modes
6.4.1
Device Functional Mode Comparison
6.4.2
Normal Operation
6.4.3
Dropout Operation
6.4.4
Disabled
7
Application and Implementation
7.1
Application Information
7.1.1
Recommended Capacitor Types
7.1.2
Input and Output Capacitor Requirements
7.1.3
Load Transient Response
7.1.4
Undervoltage Lockout (UVLO) Operation
7.1.5
Power Dissipation (PD)
7.1.5.1
Estimating Junction Temperature
7.1.5.2
Recommended Area for Continuous Operation
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Examples
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
8.2
接收文档更新通知
8.3
支持资源
8.4
Trademarks
8.5
静电放电警告
8.6
术语表
9
Revision History
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
封装选项
机械数据 (封装 | 引脚)
DBV|5
MPDS018T
YCK|4
MXBG452A
YCJ|4
DQN|4
MPSS021E
散热焊盘机械数据 (封装 | 引脚)
DQN|4
QFND355C
订购信息
zhcsky8h_oa
zhcsky8h_pm
1
特性
低输出电压噪声:7μV
RMS
无需噪声旁路电容
高 PSRR:1kHz 时为 95dB
超低 I
Q
:6.5μA
输入电压范围:1.6V 至 6.0V
输出电压范围:0.8V 至 5.5V
输出电压容差:±1.5%(最大值)
超低压降:
在 300mA 下为 140mV(最大值)(V
OUT
= 3.3V)
在 300mA 下为 145mV(最大值)(V
OUT
= 3.3V,DBV)
低浪涌电流
智能使能端下拉
与最低 1µF 的陶瓷输出电容搭配使用可保持稳定
封装:
1mm × 1mm X2SON (DQN)
0.16mm× 0.16mm DSBGA (YCK)
0.612mm× 0.612mm DSBGA (YCJ)
2.9mm × 2.8mm SOT23-5 (DBV)