EV0056

正在供货
MP1518: Fixed Frequency, Six (6) White LED Driver
  • 1
    US$ 25.00 /unit

有货

Arrives 3-4 business days.
Shipping only $5 per order.


咨询工程师或询价

产品描述

The EV0056 evaluation board is designed for backlights using white LEDs. It implements MPS’ MP1518 fixed frequency step-up converter.

The MP1518 is a 6 pin thin SOT23 step up converter designed for driving up to 6 series white LEDs from a single cell Lithium Ion battery. The MP1518 uses current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. It’s low 100mV feedback voltage reduces power loss and improves efficiency. To prevent damage due to an open circuit condition, the OV pin monitors the output voltage and turns off the converter if an over-voltage condition is present.

The MP1518 includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an output overload. The MP1518 is available in a small 6 lead TSOT23 package.

产品特性

  • On Board Power MOSFET
  • Drives up to 6 Series White LEDs
  • Up to 86% Efficiency
  • Over 1MHz Fixed Switching Frequency
  • Open Load Shutdown
  • Low 100mV Feedback Voltage
  • Soft Start/PWM Dimming
  • UVLO, Thermal Shutdown
  • Internal Current Limit

技术参数

  • IC Supported 1MP1518

2.5V-6Vin, 0.35A Boost WLED Driver

The MP1518 is a step-up converter designed for driving up to 6 series white LEDs from a single cell Lithium Ion battery. The MP1518 uses current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low 104mV feedback voltage reduces power loss and improves efficiency. The OV pin monitors the output voltage and turns off the converter if an over-voltage condition is present due to an open circuit condition. The MP1518 includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an output overload. The MP1518 is available in small 6-pin TSOT23 or 8-pin QFN (2mm x 2mm) packages. Also available is the MP1518DJE, ideal for applications where low EMI is critical.