Micrel's new series of high-brightness LED dedicated drivers



The MIC3230/31/32 series has a large operating input voltage range from 6V to 45V. With a 250mV feedback voltage to reduce system-level power consumption, the MIC323x LED driver family also offers programmable current control to drive a wide range of LEDs with different current levels. The entire product range can be boosted to very high voltages and can drive up to 70W of output power.

The MIC3230/31 has an adjustable operating frequency from 10kHz to 1MHz, and the MIC3232 has a fixed operating frequency of 400kHz, providing flexibility in design. The MIC3231 provides jitter performance that reduces EMI by up to 12dB. All three products feature PWM dimming for low power shutdown, overvoltage protection (OVP), overtemperature protection, and undervoltage lockout (UVLO). In addition to enhanced power drive functionality and reliability, the MIC3230/31 is available in both 12-pin MLF? and 16-pin bare-pad TSSOP packages. The MIC3232 is available in an MSOP-10 package.

On July 2nd, Micr el recently launched a new series of high-brightness LED dedicated drivers MIC3230/31/32. These products are the first in a new line of high-brightness LED drivers for solid-state lighting and general lighting applications. The LED driver provides the flexibility to drive 1W, 3W and higher power LEDs available on the market today. The MIC3231 features low EMI features, and all three integrated circuits are available now in volume.

MIC3230/31 /32 series

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