ZHCSI34E
January 2018 – February 2024
TPS61322
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Device Comparison Table
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 Diagram
7.3
Feature Description
7.3.1
Soft Start
7.3.2
Boost Controller Circuit
7.3.3
21
7.3.4
Undervoltage Lockout
7.3.5
Current Limit Operation
7.3.6
Overtemperature Protection
7.3.7
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Boost without Schottky Diode
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
Maximum Output Current
8.2.1.2.3
Inductor Selection
8.2.1.2.4
35
8.2.1.2.5
Capacitor Selection
8.2.1.2.6
37
8.2.1.3
Application Curves
8.2.2
Boost with Schottky Diode
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Inductor Selection
8.2.2.2.2
Schottky Diode Selection
8.2.2.2.3
Capacitor Selection
8.2.2.3
Application Curves
8.3
System Examples
8.3.1
Detail Design Schematics
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方产品免责声明
11.1.2
Development Support
11.1.2.1
Custom Design With WEBENCH® Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
支持资源
11.5
Trademarks
11.6
静电放电警告
11.7
术语表
12
Revision History
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DBV|5
MPDS018S
DBZ|3
MPDS108E
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsi34e_oa
zhcsi34e_pm
1
特性
工作输入电压范围:0.9V 至 5.5V
输出电压范围:1.8V 至 5.5V
VOUT 引脚静态电流为 6.5µA
温度范围内输出电压精度为 ±3%
最小开关峰值电流限制:
TPS613223A 为 0.42A
TPS61322 为 0.5 A
TPS613221A 和 TPS613226A 为 0.75A
TPS613222A 为 1.10A
10mA 负载条件下进行 1.5V 至 2.2V 转换时效率高于 90%
热关断保护
2.9mm × 1.3mm 3 引脚 SOT 封装和 2.9mm × 1.6mm 5 引脚 SOT 封装
使用 TPS61322 并借助
WEBENCH®
Power Designer
创建定制设计