ZHCSO66B
August 2021 – January 2022
TPS629210
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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
Mode Selection and Device Configuration (MODE/S-CONF Pin)
8.3.2
Adjustable VO Operation (External Voltage Divider)
8.3.3
Selectable VO Operation (VSET and Internal Voltage Divider)
8.3.4
Smart Enable with Precise Threshold
8.3.5
Power Good (PG)
8.3.6
Output Discharge Function
8.3.7
Undervoltage Lockout (UVLO)
8.3.8
Current Limit and Short Circuit Protection
8.3.9
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Forced Pulse Width Modulation (PWM) Operation
8.4.2
Power Save Mode Operation (Auto PFM/PWM)
8.4.3
AEE (Automatic Efficiency Enhancement)
8.4.4
100% Duty-Cycle Operation
8.4.5
Starting into a Pre-Biased Load
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
Custom Design With WEBENCH® Tools
9.2.2.2
Programming the Output Voltage
9.2.2.3
External Component Selection
9.2.2.3.1
Output Filter and Loop Stability
9.2.2.3.2
Inductor Selection
9.2.2.3.3
Capacitor Selection
9.2.2.3.3.1
Output Capacitor
9.2.2.3.3.2
Input Capacitor
9.2.3
Application Curves
9.3
System Examples
9.3.1
Powering Multiple Loads
9.3.2
Inverting Buck-Boost (IBB)
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.2.1
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
第三方产品免责声明
12.1.2
Development Support
12.1.2.1
Custom Design With WEBENCH® Tools
12.2
Documentation Support
12.2.1
Related Documentation
12.3
接收文档更新通知
12.4
支持资源
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRL|8
MPCS002E
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcso66b_oa
1
特性
高效率
DCS-Control™
拓扑
4µA(典型值)低静态电流
输出电流高达
1A
R
DSON
:250mΩ 高侧,85mΩ 低侧
输出电压精度为 ±1%
可配置的输出电压选项:
V
FB
外部分压器:0.6V 至 5.5V
VSET 内部分压器:
18 个选项(介于 0.4V 与 5.5V 之间)
通过 MODE/S-CONF 引脚提高了灵活性
2.5MHz 或 1.0MHz 开关频率
具有动态模式更改选项的强制 PWM 或自动 (PFM) 省电模式
输出放电开/关
无需外部自举电容器
输出过流和过热保护
100% 占空比模式
精密使能输入
电源正常状态输出
与
TPS629210E
、
TPS629206
和
TPS629203
器件引脚对引脚兼容
0.5mm 间距、8 引脚 SOT-583 封装