ZHCSL70D
March 2020 – October 2020
TPS63900
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and 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
Trapezoidal Current Control
7.3.2
Device Enable / Disable
7.3.3
Soft Start
7.3.4
Input Current Limit
7.3.5
Dynamic Voltage Scaling
7.3.6
Device Configuration (Resistor-to-Digital Interface)
7.3.7
SEL Pin
7.3.8
Short-Circuit Protection
7.3.8.1
Current Limit Setting = 'Unlimited'
7.3.8.2
Current Limit Setting = 1 mA to 100 mA
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design with WEBENCH Tools
8.2.2.2
Inductor Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
Input Capacitor Selection
8.2.2.5
Setting The Output Voltage
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
静电放电警告
11.7
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DSK|10
MPDS326A
散热焊盘机械数据 (封装 | 引脚)
DSK|10
QFND148E
订购信息
zhcsl70d_oa
zhcsl70d_pm
1
特性
输入电压范围:1.8V 至 5.5V
输出电压范围:1.8V 至 5V(100mV 阶跃)
可使用外部电阻器进行编程
SEL 引脚用于在两个输出电压预设之间切换
V
I
≥ 2.0V、V
O
= 3.3V 时,输出电流 > 400mA(峰值开关电流限制典型值 1.45A)
可堆叠:并联多个器件以获得更高的输出电流
负载电流为 10µA 时,效率 > 90%
静态电流为 75nA
60nA 关断电流
单模式运行
无需在降压、降压/升压和升压模式之间转换
低输出波纹
出色的瞬态性能
安全、可靠运行的特性
集成软启动
可编程输入电流限制,具有八个设置(1mA 至 100mA 和无限制)
输出短路和过热保护
21mm
2
的微小解决方案尺寸
小型 2.2µH 电感器,单个 22µF 输出电容器
10 引脚、2.5mm × 2.5mm、0.5mm 间距 WSON 封装