LED驱动器

ETA1168

The ETA1168 is a high efficiency step-up converter with an internally integrated 40V power MOSEFT. It runs with an optimal 600KHz frequency that enables the use of small external components while still providingthe best efficiency. It can drive up to 10 to 12 LEDs in series and also in parallel combinations. The incorporated true PWM-Diming feature through CTRL pin does not generate audible noise on the output capacitor during diming because it doesnot burst the LED current. For maximum protection, the ETA1168 has an OVP protection feature that prevents the output voltage exceeding the maximum rating of the ETA1168 and the output cap during open-LED conditions.

ETA1168 is available in a space-saving DFN22-6 package.

FEATURES
Up to 92% Efficiency
40V OVP protection
True PWM Brightness Control
200mV Feedback Voltage
DFN2x2-6 Package

APPLICATIONS
LED Backlighting for Tablets, MIDs and Smartphones
LED Driver
 
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