TPS54073 - 启动过程中禁止吸入的 2.2V-4.0V、14A 异步降压转换器

TPS54073是TI德州仪器公司的一款转换器（集成开关）产品，TPS54073是启动过程中禁止吸入的 2.2V-4.0V、14A 异步降压转换器，本站介绍了TPS54073的封装应用图解、特点和优点、功能等，并给出了与TPS54073相关的TI元器件型号供参考。

TPS54073 - 启动过程中禁止吸入的 2.2V-4.0V、14A 异步降压转换器 - 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 TPS54073 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 undervoltage-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 TPS54073 is designed to only source current during start-up.

The TPS54073 is available in a thermally enhanced 28-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

8-m MOSFET Switches for HighEfficiency at 14.5-A Peak Output Current
Separate Low-Voltage Power Bus
Disabled Current Sinking During Start-Up
Adjustable Output Voltage Down to 0.9 V
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 Total Cost
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

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