ZHCS996D
June 2012 – February 2018
TPS81256
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用
效率与负载电流间的关系
4
修订历史记录
5
Device Options
6
Pin Configuration and Functions
Pin 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
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Operation
8.3.2
Power-Save Mode
8.3.3
Current Limit Operation, Maximum Output Current
8.4
Device Functional Modes
8.4.1
Softstart, Enable
8.4.2
Load Disconnect and Reverse Current Protection
8.4.3
Undervoltage Lockout
8.4.4
Thermal Regulation
8.4.5
Thermal Shutdown
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Output Capacitor Selection CEXT
9.2.2.2
Input Capacitor Selection
9.2.3
Application Curves
9.3
System Examples
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Surface Mount Information
11.4
Thermal and Reliability Information
12
器件和文档支持
12.1
器件支持
12.1.1
第三方产品免责声明
12.2
社区资源
12.3
商标
12.4
静电放电警告
12.5
Glossary
13
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)
SIP|9
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcs996d_oa
zhcs996d_pm
5
Device Options
PART NUMBER
(1)
OUTPUT VOLTAGE
PACKAGE MARKING
CHIP CODE
TPS81256
5.0V
TT
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at
www.ti.com
.