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TPS62092

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具有 DCS™ 控制系统的 3A、2.5V 至 6V 输入同步降压转换器，效率为 97%

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TPS62092

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产品详情

Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 2.5 Vout (min) (V) 2.5 Features Enable, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO fixed Control mode Constant on-time (COT), DCS-Control Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 100
Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 2.5 Vout (min) (V) 2.5 Features Enable, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO fixed Control mode Constant on-time (COT), DCS-Control Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 100
VQFN (RGT) 16 9 mm² (3 mm × 3 mm)
  • 2.5 V to 6 V Input Voltage Range
  • DCS-Control™
  • 95% Converter Efficiency
  • Power Save Mode
  • 20 µA Operating Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • 2.8 MHz/1.4 MHz Typical Switching Frequency
  • 0.8 V to VIN Adjustable Output Voltage
  • Fixed Output Voltage Versions
  • Output Discharge Function
  • Adjustable Softstart
  • Hiccup Short Circuit Protection
  • Output Voltage Tracking
  • Pin-to-pin compatible with TPS62095
  • 2.5 V to 6 V Input Voltage Range
  • DCS-Control™
  • 95% Converter Efficiency
  • Power Save Mode
  • 20 µA Operating Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • 2.8 MHz/1.4 MHz Typical Switching Frequency
  • 0.8 V to VIN Adjustable Output Voltage
  • Fixed Output Voltage Versions
  • Output Discharge Function
  • Adjustable Softstart
  • Hiccup Short Circuit Protection
  • Output Voltage Tracking
  • Pin-to-pin compatible with TPS62095

The TPS6209x devices are a family of high frequency synchronous step down converters optimized for small solution size, high efficiency and suitable for battery powered applications. To maximize efficiency, the converters operate in pulse width modulation (PWM) mode with a nominal switching frequency of 2.8 MHz/1.4 MHz and automatically enter power save mode operation at light load currents. When used in distributed power supplies and point of load regulation, the devices allow voltage tracking to other voltage rails and tolerate output capacitors ranging from 10 µF up to 150 µF and beyond. Using the DCS-Control™ topology the devices achieve excellent load transient performance and accurate output voltage regulation.

The output voltage start-up ramp is controlled by the softstart pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the enable and power good pins. In power save mode, the devices operate at typically 20 µA quiescent current. Power save mode is entered automatically and seamlessly maintaining high efficiency over the entire load current range.

The TPS6209x devices are a family of high frequency synchronous step down converters optimized for small solution size, high efficiency and suitable for battery powered applications. To maximize efficiency, the converters operate in pulse width modulation (PWM) mode with a nominal switching frequency of 2.8 MHz/1.4 MHz and automatically enter power save mode operation at light load currents. When used in distributed power supplies and point of load regulation, the devices allow voltage tracking to other voltage rails and tolerate output capacitors ranging from 10 µF up to 150 µF and beyond. Using the DCS-Control™ topology the devices achieve excellent load transient performance and accurate output voltage regulation.

The output voltage start-up ramp is controlled by the softstart pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the enable and power good pins. In power save mode, the devices operate at typically 20 µA quiescent current. Power save mode is entered automatically and seamlessly maintaining high efficiency over the entire load current range.
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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 TPS6209x 3-A High Efficiency Synchronous Step Down Converter with DCS-Control 数据表 (Rev. C) PDF | HTML 2016-1-22
应用手册 QFN 和 SON PCB 连接 (Rev. C) PDF | HTML 英语版 (Rev.C) PDF | HTML 2024-1-5
应用手册 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018-12-11
模拟设计期刊 Understanding 100% mode in low-power DC/DC converters 2018-6-22
模拟设计期刊 Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 2017-10-24
模拟设计期刊 Testing tips for applying external power to supply outputs without an input voltage 2016-10-24
模拟设计期刊 了解 DCS-Control™ 拓扑中的频率变化 英语版 2015-11-16
应用手册 Basic Calculation of a Buck Converter's Power Stage (Rev. B) PDF | HTML 2015-8-17
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 2015-5-1
模拟设计期刊 高效、低纹波的分布式控制系统 (DCS)- 控制的降压转换器提供无缝的 PWM/PWR- 保存转换 英语版 2013-8-30
应用手册 How to Measure the Control Loop of DCS-Control Devices (Rev. A) 2012-8-9
应用手册 Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 2012-1-13
模拟设计期刊 IQ：它是什么、不是什么以及如何使用 英语版 2011-8-17

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仿真模型

TPS62092 PSpice Unencrypted Transient Model (Rev. B)

SLVM566B.ZIP (23 KB) - PSpice 模型
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VQFN (RGT) 16 Ultra Librarian
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