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TPS60401 - 产品图解：
TPS60401-具有固定 20kHz 操作的 60mA 充电泵电压反向器
TPS60401-电荷泵（感应器）-DC/DC开关稳压器-电源管理
TPS60401-TPS6040x Unregulated 60-mA Charge Pump Voltage Inverter
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TI产品 - TPS60401介绍

TPS60401 - 具有固定 20kHz 操作的 60mA 充电泵电压反向器

TPS60401是TI德州仪器公司的一款电荷泵（无感应器）产品，TPS60401是具有固定 20kHz 操作的 60mA 充电泵电压反向器，本站介绍了TPS60401的封装应用图解、特点和优点、功能等，并给出了与TPS60401相关的TI元器件型号供参考。

TPS60401 - 具有固定 20kHz 操作的 60mA 充电泵电压反向器 - 电荷泵（无感应器） - DC/DC开关稳压器 - 德州仪器

产品特性
  • Inverts Input Supply Voltage
  • Up to 60-mA Output Current
  • Only Three Small 1-µF Ceramic Capacitors Needed
  • Input Voltage Range From 1.6 V to 5.5 V
  • PowerSave-Mode for Improved Efficiency at Low-Output Currents (TPS60400)
  • Device Quiescent Current Typical 65 µA
  • Integrated Active Schottky-Diode for Start-up Into Load
  • Small 5-Pin SOT-23 Package
  • Evaluation Module Available TPS60400EVM-178
产品应用
  • LCD Bias
  • GaAs Bias for RF Power Amps
  • Sensor Supply in Portable Instruments
  • Bipolar Amplifier Supply
  • Medical Instruments
  • Battery-Operated Equipment
产品说明

The TPS6040x family of devices generates an unregulated negative output voltage from an input voltage ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them.

Only three external 1-µF capacitors are required to build a complete DC-DC charge pump inverter. Assembled in a 5-pin SOT-23 package, the complete converter can be built on a 50-mm2 board area. Additional board area and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up into load by integrated circuitry.

The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of greater than 90% over a wide output current range. Three device options with 20-kHz, 50-kHz, and 250-kHz fixed-frequency operation are available. TPS60400 comes with a variable switching frequency to reduce operating current in applications with a wide load range and enables the design with low-value capacitors.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS6040xSOT-23 (5)2.90 mm x 1.60 mm
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