Part number: LM2755
Manufacturer: National Semiconductor
File Size: 1.67MB
Download: 📄 Datasheet
Description: Charge Pump LED Controller
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90% Peak Efficiency Total solution size < 13mm2 No Inductor Required: Only 4 Inexpensive Ceramic Caps 3 .
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Indicator LEDs Keypad LED Backlight Display LED Backlight Fun-light LEDs
Typical Application Ci.
The LM2755 is a charge-pump-based, constant current LED driver capable of driving 3 LEDs with a total output current up to 90mA. The diode current waveforms of each LED can be trapezoidal with timing and level parameters (rise time, fall time, high l.
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