Cmos Ic Power Supply Ic With Built-in White Led Charge Pump

The LC410591FN is a power supply IC for white LEDs It incorporates a charge pump-type DC/DC converter circuit and has four constant-current outputs. The input voltage ranges from 2.7V to 5.5V. The maximum value of the current flowing to the LEDs CAN be determined by the resistance value of the external resistors. The LC410591FN CAN supply a total current of 105mA for one to four white LEDs A maximum current of 26mA CAN be supplied to one white LED when driving four LEDs and a maximum current of 35mA CAN be supplied to one white LED when driving three LEDs The IC operates at a fixed frequency of 600kHz without using an inductor, resulting in very low EMI noise. The LED brightness is adjusted by a PWM pulse signal to the BRGT pin. When a low level is applied for 22ms or longer to the BRGT pin, the IC enters the shutdown mode. This IC comes in the VQFN16 package (4mm 4mm). By Sanyo Semiconductor Corporation
LC410591FN 's PackagesLC410591FN 's pdf datasheet

LC410591FN Pinout, Pinouts
LC410591FN pinout,Pin out
This is one package pinout of LC410591FN,If you need more pinouts please download LC410591FN's pdf datasheet.

LC410591FN Application circuits
LC410591FN circuits
This is one application circuit of LC410591FN,If you need more circuits,please download LC410591FN's pdf datasheet.

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