Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

MCP1643T-I/MSVAO is a compact, high-efficiency, fixed frequency, synchronous step-up converter optimized to drive one LED with constant current, that operates from one and two-cell alkaline and NiMH/NiCd batteries. The device can also drive two red/green/yellow series connection LEDs.

Features

1.6A Typical Peak Input Current Limit

Up to 550 mA LED Load Current

Low Start-up Voltage: 0.65V (typical, 25 mA LED Current)

Low Operating Input Voltage: down to 0.5V

Maximum Input Voltage < VLED < 5.0V

Pulse-Width Modulation Mode Operation (1 MHz)

Internal Synchronous Rectifier

Internal Compensation

Inrush Current Limiting

Internal Soft-Start (240 µs typical)

Shutdown Current: 1.2 µA (typical)

Overtemperature protection

Applications

One and Two Cell Alkaline and NiMH/NiCd Portable LED Lighting Products

LED Flashlight and Head Lamps

Rechargeable Flashlights

Wall LED Lamps with Motion Detectors

LED supply for backlights

General LED constant current applications

• 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.