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LTC3894HFE is a high voltage step-down DC/DC switching regulator controller. It drives a P-channel power MOSFET switch allowing 100% duty cycle operation.

Product Features

Wide Operating VIN Range: 4.5V to 150V

Wide VOUT Range: 0.8V to 60V

9μA IQ when Regulating 48VIN to 3.3VOUT

16μA IQ when Regulating 12VIN to 3.3VOUT

Very Low Dropout Operation: 100% Duty Cycle

Adjustable Input Overvoltage Lockout

Programmable PGOOD Undervoltage Monitor

RSENSE or Inductor DCR Current Sensing

Selectable High Efficiency Burst Mode® Operation or Pulse-Skipping Mode at Light Loads

Programmable Fixed Frequency: 50kHz to 850kHz

Phase-Lockable Frequency: 75kHz to 800kHz

Internal Fixed Soft-Start and External Programmable Soft-Start or Voltage Tracking

Strong MOSFET Gate Driver with Selectable Undervoltage Lockout Thresholds

Optional External NMOS for Gate Driver Bias in High Power Applications

Applications

Automotive and Industrial Power Systems

Telecommunication Power Systems

Distributed Power Systems

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.