The UTC L5101 is a fixed frequency Step-up PWM DC/DC converter and designed for white LEDs driving with a constant current to provide backlight in handheld devices. The device switches at a high frequency 1.2MHz by an internal N-channel MOSFET Switch to be capable of minimum external components using. The UTC L5101 CAN drive up to 5 LEDs in series by a Li-Ion cell. Series connection of LEDs provides identical LED currents resulting in uniform brightness without ballast resistors. The low 95mV feedback voltage minimizes power loss in the current setting resistor CAN have better efficiency. By LianShun Electronics Co., Ltd
L5101 's PackagesL5101 's pdf datasheet

L5101 Pinout, Pinouts
L5101 pinout,Pin out
This is one package pinout of L5101,If you need more pinouts please download L5101's pdf datasheet.

L5101 Application circuits
L5101 circuits
This is one application circuit of L5101,If you need more circuits,please download L5101's pdf datasheet.

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