TPS54872 - 8A 有源总线终端/DDR 内存 DC/DC 转换器

TPS54872是TI德州仪器公司的一款无产品，TPS54872是8A 有源总线终端/DDR 内存 DC/DC 转换器，本站介绍了TPS54872的封装应用图解、特点和优点、功能等，并给出了与TPS54872相关的TI元器件型号供参考。

TPS54872 - 8A 有源总线终端/DDR 内存 DC/DC 转换器 - 无 - DDR存储器电源终端 - 德州仪器

产品描述

As a member of the SWIFT™ family of dc/dc regulators, the TPS54872 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 under transient conditions 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 3.8 V; an internally set slow-start circuit to limit in-rush currents; and a status output to indicate valid operating conditions.

The TPS54872 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

Tracks Externally Applied Reference Voltage
30-m MOSFET Switches for High Efficiency at 8-A Continuous Output Source or Sink Current
6% to 90% VI Output Tracking Range
Wide PWM Frequency: Fixed 350 kHz or Adjustable 280 kHz to 700 kHz
Load Protected by Peak Current Limit and Thermal Shutdown
Integrated Solution Reduces Board Area and Total Cost
APPLICATIONS
- DDR Memory Termination Voltage
- Active Termination of GTL and SSTL High-Speed Logic Families
- DAC Controlled High Current Output Stage
- Precision Point of Load Power Supply

PowerPAD and SWIFT are trademarks of Texas Instruments.

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