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TPS54561 - 产品图解:
TPS54561-具有 Eco-mode? 的 60V 输入,3.5A,降压 DC-DC 转换器
TPS54561-转换器(集成开关)-DC/DC开关稳压器-电源管理
TPS54561-支持软启动和Eco-Mode? 的4.5V 至60V 输入,5A,降压直流- 直流转换器 (Rev. C)
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TI产品 - TPS54561介绍

TPS54561 - 具有 Eco-mode? 的 60V 输入,3.5A,降压 DC-DC 转换器

TPS54561是TI德州仪器公司的一款转换器(集成开关)产品,TPS54561是具有 Eco-mode? 的 60V 输入,3.5A,降压 DC-DC 转换器,本站介绍了TPS54561的封装应用图解、特点和优点、功能等,并给出了与TPS54561相关的TI元器件型号供参考。

TPS54561 - 具有 Eco-mode? 的 60V 输入,3.5A,降压 DC-DC 转换器 - 转换器(集成开关) - DC/DC开关稳压器 - 德州仪器

产品特性
  • High Efficiency at Light Loads with Pulse Skipping Eco-mode™
  • 87-mΩ High-Side MOSFET
  • 152-μA Operating Quiescent Current and 2-μA Shutdown Current
  • 100-kHz to 2.5-MHz Adjustable Switching Frequency
  • Synchronizes to External Clock
  • Low Dropout at Light Loads with Integrated BOOT Recharge FET
  • Adjustable UVLO Voltage and Hysteresis
  • UV and OV Power Good Output
  • Adjustable Soft-Start and Sequencing
  • 0.8-V 1% Internal Voltage Reference
  • 10-Pin SON with Thermal Pad Package
  • –40°C to 150°C TJ Operating Range
  • Supported by WEBENCH™ Software Tool
产品应用
  • Industrial Automation and Motor Control
  • Vehicle Accessories: GPS (see SLVA412), Entertainment
  • USB Dedicated Charging Ports and Battery Chargers (see SLVA464)
  • 12-V, 24-V and 48-V Industrial, Automotive and Communications Power Systems
产品说明

The TPS54561 is a 60-V, 5-A, step down regulator with an integrated high side MOSFET. The device survives load dump pulses up to 65V per ISO 7637. Current mode control provides simple external compensation and flexible component selection. A low ripple pulse skip mode reduces the no load supply current to 152 μA. Shutdown supply current is reduced to 2 μA when the enable pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can increase using an external resistor divider at the enable pin. The output voltage start up ramp is controlled by the soft start pin that can also be configured for sequencing/tracking. An open drain power good signal indicates the output is within 93% to 106% of its nominal voltage.

A wide adjustable switching-frequency range allows for optimization of either efficiency or external component size. Cycle-by-cycle current limit, frequency foldback and thermal shutdown protects internal and external components during an overload condition.

The TPS54561 is available in an 10-pin 4-mm × 4-mm WSON package.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS54561WSON (10)4.00 mm × 4.00 mm
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