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TPS54418 - 产品图解:
TPS54418-6V, 4A, 2MHz, Synchronous SWIFT
TPS54418-转换器(集成开关)-DC/DC开关稳压器-电源管理
TPS54418-TPS54418 2.95-V to 6-V Input, 4-A Output, 2-MHz , Synchronous Step-Down Switcher With Integrated FETs (SWIFT?)
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TI产品 - TPS54418介绍
TPS54418 - 6V, 4A, 2MHz, Synchronous SWIFT

TPS54418是TI公司的一款转换器(集成开关)产品,TPS54418是6V, 4A, 2MHz, Synchronous SWIFT,本页介绍了TPS54418的产品说明、应用、特性等,并给出了与TPS54418相关的TI元器件型号供参考。

TPS54418 - 6V, 4A, 2MHz, Synchronous SWIFT - 转换器(集成开关) - DC/DC开关稳压器 - TI公司(Texas Instruments,德州仪器)

产品特性
  • Two, 30-mΩ (typical) MOSFETs for High-Efficiency at 4-A loads
  • Switching Frequency: 200 kHz to 2 MHz
  • Voltage Reference Over Temperature: 0.8 V ± 1%
  • Synchronizes to External Clock
  • Adjustable Soft-start/Sequencing
  • UV and OV Power Good Output
  • Low Operating and Shutdown Quiescent Current
  • Safe Start-up into Pre-Biased Output
  • Cycle-by-Cycle Current Limit, Thermal and Frequency Fold Back Protection
  • Operating Junction Temperature Range: –40°C to 150°C
  • Thermally Enhanced 3 mm × 3 mm 16-pin WQFN Package
产品应用
  • Low-Voltage, High-Density Power Systems
  • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
  • Broadband, Networking and Optical Communications Infrastructure
产品说明

TheTPS54418 device is a full featured 6-V, 4-A, synchronous, step-down, current mode converter with two integrated MOSFETs.

The TPS54418 device enables small designs by integrating the MOSFETs, implementing current mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the device footprint with a small, 3 mm x 3 mm, thermally enhanced, QFN package.

The TPS54418 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated 30-mΩ MOSFETs and a 350-μA typical supply current. Using the enable pin, shutdown supply current is reduced to 2 μA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output voltage startup ramp is controlled by the soft-start pin. An open-drain power good signal indicates the output is within 93% to 107% of its nominal voltage. Frequency fold back and thermal shutdown protects the device during an overcurrent condition.

Use SwitcherPro™ power supply design software to create, manage and share custom power supply designs for the TPS54418 by clicking here.

For more SWIFT™ documentation, see the TI website at www.ti.com/swift.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS54418WQFN (16)3.00 mm × 3.00 mm
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