TPS54373 - 用于预偏置输出的 3V 至 6V 输入、3A 同步降压 SWIFT? 转换器

TPS54373是TI德州仪器公司的一款转换器（集成开关）产品，TPS54373是用于预偏置输出的 3V 至 6V 输入、3A 同步降压 SWIFT? 转换器，本站介绍了TPS54373的封装应用图解、特点和优点、功能等，并给出了与TPS54373相关的TI元器件型号供参考。

TPS54373 - 用于预偏置输出的 3V 至 6V 输入、3A 同步降压 SWIFT? 转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

As a member of the SWIFT™ family of dc/dc regulators, the TPS54373 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance and flexibility in choosing the output filter L and C components; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally or externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

For reliable power up in output precharge applications, the TPS54373 is designed to only source current during start-up.

The TPS54373 is available in a thermally enhanced 20-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

产品特性

60-m MOSFET Switches for High Efficiency at 3-A Continuous Output Source or Sink Current
Disabled Current Sinking During Start-Up
Adjustable Output Voltage Down to 0.9 V With 1.0% Accuracy
Wide PWM Frequency: Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz
Synchronizable to 700 kHz
Load Protected by Peak Current Limit and Thermal Shutdown
Integrated Solution Reduces Board Area and Component Count
APPLICATIONS
- Low-Voltage, High-Density Distributed Power Systems
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
- Broadband, Networking and Optical Communications Infrastructure
- Power PC Series Processors

PowerPAD and SWIFT are trademarks of Texas Instruments.

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