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TPS62250

正在供货

2.25MHz、1A 峰值限流降压转换器

产品详情

Rating Catalog Topology Buck Iout (max) (A) 0.7 Vin (max) (V) 6 Vin (min) (V) 2 Vout (max) (V) 6 Vout (min) (V) 0.6 Features Enable, Forced PWM, Light load efficiency, Synchronous Rectification Control mode Voltage mode Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000015 Duty cycle (max) (%) 100
Rating Catalog Topology Buck Iout (max) (A) 0.7 Vin (max) (V) 6 Vin (min) (V) 2 Vout (max) (V) 6 Vout (min) (V) 0.6 Features Enable, Forced PWM, Light load efficiency, Synchronous Rectification Control mode Voltage mode Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000015 Duty cycle (max) (%) 100
WSON (DRV) 6 4 mm² 2 x 2
  • High Efficiency Step Down Converter
  • Max Peak Current Limit of 1A, Ideal for USB Powered Applications
  • VIN Range Optimized for USB from 2V to 6V
  • 2.25 MHz Fixed Frequency Operation
  • Power Save Mode at Light Load Currents
  • Output Voltage Accuracy in PWM mode ±1.5%
  • Typ. 15 µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Soft Start
  • Voltage Positioning at Light Loads
  • Available in a Small 2×2×0,8mm SON package
  • Allows <1mm Solution Height
  • APPLICATIONS
    • Portable USB Peripherals
    • Wireless Modem Applications
    • USB PCTV Applications
  • High Efficiency Step Down Converter
  • Max Peak Current Limit of 1A, Ideal for USB Powered Applications
  • VIN Range Optimized for USB from 2V to 6V
  • 2.25 MHz Fixed Frequency Operation
  • Power Save Mode at Light Load Currents
  • Output Voltage Accuracy in PWM mode ±1.5%
  • Typ. 15 µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Soft Start
  • Voltage Positioning at Light Loads
  • Available in a Small 2×2×0,8mm SON package
  • Allows <1mm Solution Height
  • APPLICATIONS
    • Portable USB Peripherals
    • Wireless Modem Applications
    • USB PCTV Applications

The TPS62250 device is a high efficient synchronous step down dc-dc converter optimized for USB powered applications. It provides up to 1A peak output current and limits the average input current to 700mA, making it ideal for applications connected to a USB host. With an wide input voltage range of 2V to 6V, the device supports applications powered by the USB host as well as general applications requiring large output capacitors.

The TPS62250 operates at 2.25MHz fixed switching frequency and enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.

The Power Save Mode is optimized for low output voltage ripple.

The TPS62250 is available in a very small 2×2 6 pin SON package.

The TPS62250 device is a high efficient synchronous step down dc-dc converter optimized for USB powered applications. It provides up to 1A peak output current and limits the average input current to 700mA, making it ideal for applications connected to a USB host. With an wide input voltage range of 2V to 6V, the device supports applications powered by the USB host as well as general applications requiring large output capacitors.

The TPS62250 operates at 2.25MHz fixed switching frequency and enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.

The Power Save Mode is optimized for low output voltage ripple.

The TPS62250 is available in a very small 2×2 6 pin SON package.

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技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 Peak Current Limited Step Down Converter for USB Applications 数据表 2008年 9月 17日
应用手册 QFN 和 SON PCB 连接 (Rev. C) PDF | HTML 英语版 (Rev.C) PDF | HTML 2024年 1月 5日
模拟设计期刊 Methods of output-voltage adjustment for DC/DC converters 2019年 6月 14日
应用手册 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
模拟设计期刊 Understanding 100% mode in low-power DC/DC converters 2018年 6月 22日
模拟设计期刊 Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 2017年 10月 24日
应用手册 Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 2017年 6月 15日
模拟设计期刊 Testing tips for applying external power to supply outputs without an input voltage 2016年 10月 24日
应用手册 Basic Calculation of a Buck Converter's Power Stage (Rev. B) 2015年 8月 17日
模拟设计期刊 实现降压型转换器出色 PCB 布局的五个步骤 英语版 2015年 5月 1日
应用手册 Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 2012年 1月 13日
模拟设计期刊 IQ:它是什么、不是什么以及如何使用 英语版 2011年 8月 17日

设计与开发

如需其他信息或资源,请点击以下任一标题进入详情页面查看(如有)。

仿真模型

TPS62250 PSpice Transient Model

SLIM142.ZIP (45 KB) - PSpice Model
仿真模型

TPS62250 TINA-TI Transient Model

SLIM328.ZIP (25 KB) - TINA-TI Spice Model
仿真模型

TPS62250 TINA-TI Transient Reference Design

SLIM327.TSC (108 KB) - TINA-TI Reference Design
计算工具

SLVC780 Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
支持的产品和硬件

支持的产品和硬件

封装 引脚 CAD 符号、封装和 3D 模型
WSON (DRV) 6 Ultra Librarian

订购和质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息:
  • 制造厂地点
  • 封装厂地点

支持和培训

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