ZHCSDP8D
May 2015 – August 2021
TPS61088
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
Enable and Start-up
7.3.2
Undervoltage Lockout (UVLO)
7.3.3
Adjustable Switching Frequency
7.3.4
Adjustable Peak Current Limit
7.3.5
Overvoltage Protection
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Operation
7.4.1.1
PWM Mode
7.4.1.2
PFM Mode
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
Setting Switching Frequency
8.2.2.3
Setting Peak Current Limit
8.2.2.4
Setting Output Voltage
8.2.2.5
Inductor Selection
8.2.2.6
Input Capacitor Selection
8.2.2.7
Output Capacitor Selection
8.2.2.8
Loop Stability
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
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
接收文档更新通知
11.3
支持资源
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RHL|20
MPQF155K
散热焊盘机械数据 (封装 | 引脚)
RHL|20
QFND077N
订购信息
zhcsdp8d_oa
zhcsdp8d_pm
1
特性
2.7V 至 12V 输入电压范围
4.5V 至 12.6V 输出电压范围
10A 开关电流
效率高达 91%(V
IN
= 3.3V、V
OUT
= 9V 且 I
OUT
= 3 A 时)
在轻负载条件下,有 PFM 模式和强制 PWM 模式可供选择
关断期间,流入 VIN 引脚的电流为 1.0µA
可通过电阻编程的开关峰值电流限制
可调开关频率:200kHz 至 2.2MHz
可编程软启动
13.2V 输出过压保护
逐周期过流保护
热关断
20 引脚 4.50mm × 3.50mm VQFN 封装
使用 TPS61088 并借助
WEBENCH Power Designer
创建定制设计方案