MIC2287 3-LED EV: 20mA @ 12V Max, 2.5 ~ 10V in

Summary

The MIC2287 is a small 1.2 MHz constant frequency PWM white LED driver. The MIC2287 is available in either a thin SOT-23 or a 2 mm x 2 mm MLF™ package. High power densities in a very small size are achieved using its internal 34 V/500 mA switch.

The MIC2287 evaluation board requires an input power source that is able to deliver greater than 500 mA at 2.5 V.

The evaluation board does not have reverse polarity protection. Applying a negative voltage to the Vin terminal may damage the device.

The MIC2287 evaluation board is tailored for a Li-Ion range input supply voltage. It should not exceed 10 V on the input.

Specifications

Manufacturer	Microchip Technology
Category	Lighting
Sub-Category	LED Drivers - DC In
Eval Board Part Number	576-4408-ND
Eval Board Supplier	Microchip Technology
Eval Board	Board not Stocked
Voltage In	2.5 ~ 10 V
Topology	Step Up
Current Out	20 mA
Voltage Out (Max)	12 V
Outputs and Type	1 Non-Isolated
Efficiency @ Conditions	>80%, 8 ~ 22 mA (3 LEDs)
Features	Current Limit (Adj. or Fixed) Over Voltage Protection PFM or PWM Shutdown, Enable, Standby Thermal Protection Under Voltage Protection, Brown-Out
Switching Frequency	1.2 MHz
Component Count + Extras	13 + 0
Design Author	Microchip Technology
Application / Target Market	Cell Phones Digital Cameras Flashlight / Torch GPS LCD Backlighting Power: Auxiliary Power Supply
Main I.C. Base Part	MIC2287
Date Created By Author	2005-05
Date Added To Library	2014-03