DescriptionThe EV0056 evaluation board is designed for backlights using white LEDs. It implements MPS' MP1518DJ fixed frequency step-up converter. The MP1518DJ 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...
MP1518DJ: DescriptionThe EV0056 evaluation board is designed for backlights using white LEDs. It implements MPS' MP1518DJ fixed frequency step-up converter. The MP1518DJ is a 6 pin thin SOT23 step up convert...
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The EV0056 evaluation board is designed for backlights using white LEDs. It implements MPS' MP1518DJ fixed frequency step-up converter.
The MP1518DJ 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 MP1518DJ 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 MP1518DJ 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.
The MP1518DJ has nine features.(1)on board power MOSFET.(2)drives up to 6 series white LEDs.(3)up to 86% efficiency.(4)over 1MHz fixed switching frequency.(5)open load shutdown.(6)low 100mV feedback voltage.(7)soft start/PWM dimming.(8)UVLO,thermal shutdown.(9)internal current limit.