ZHCSI42G
June 2007 – April 2018
TPS62290
,
TPS62291
,
TPS62293
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路原理图
效率与输出电流间的关系
4
修订历史记录
5
Device Comparison Table
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
Dynamic Voltage Positioning
8.3.2
Enable
8.3.3
Mode Selection
8.3.4
Undervoltage Lockout
8.3.5
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Soft-Start
8.4.2
Power Save Mode
8.4.3
100% Duty Cycle Low Dropout Operation
8.4.4
Short-Circuit Protection
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 Voltage Setting
9.2.2.2
Output Filter Design (Inductor and Output Capacitor)
9.2.2.2.1
Inductor Selection
9.2.2.2.2
Output Capacitor Selection
9.2.2.2.3
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
12
器件和文档支持
12.1
器件支持
12.1.1
Third-Party Products Disclaimer
12.2
相关链接
12.3
社区资源
12.4
商标
12.5
静电放电警告
12.6
术语表
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DRV|6
MPDS216E
散热焊盘机械数据 (封装 | 引脚)
DRV|6
QFND087M
订购信息
zhcsi42g_oa
zhcsi42g_pm
5
Device Comparison Table
PART NUMBER
OUTPUT VOLTAGE
(1)
DEVICE MARKING
(2)
TPS62290
Adjustable
BYN
TPS62291
3.3 V fixed
CFY
TPS62293
1.8 V fixed
CFD
(1)
Contact TI for other fixed output voltage options
(2)
For the most current package and ordering information, see
机械、封装和可订购信息
, or see the TI website at
www.ti.com