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The EV2480-PR-00A Evaluation Board is designed to demonstrate the capabilities of MP2480DPR. The MP2480 is step-down switching regulator to deliver a constant current of up to 3A for high power LED
With a 30-36V input VIN and an EN DC signal which is higher than 2V, EV2480-PR-00A can deliver a regulated current to drive a LED string. The LED current is regulated to about 2A.
- Wide 5V to 36V Operating Input Range
- Up to 95% Efficiency
- Hysteretic Control with No Compensation
- No Output Capacitor Required
- ±3% LED Current Accuracy
- Up to 2MHz Switching Frequency
- Up to 20kHz Dimming Frequency
- 200mV Reference Voltage
- Short-Circuit Protection with Integrated High-Side MOSFET
- Thermal Shut Down
- IC Supported 1MP2480
Monolithic ICGET THIS IC
The MP2480 is step-down switching regulator that delivers a constant current of up to 3A to high-power LEDs. It integrates a high-side, high-voltage power MOSFET with a current limit of 4.3A. The wide 5V to 36V input range accommodates a variety of step-down applications, making it ideal for general lighting and LCD backlighting applications. Hysteretic current-mode control helps provide for a very fast response, which makes the 20kHz dimming frequency possible. MPSs proprietary feedback control minimizes the number of external components while delivering an LED current with a typical accuracy of ±3%. The switching frequency goes up to 2MHz, thus permitting smaller components. Thermal shut down, and short circuit protection provide reliable fault-tolerant operation. A 160µA quiescent current allows for use in battery-powered applications. The MP2480 is available in SOIC8-EP with an exposed pad on the bottom.