LR246 - LRC

LR246 White LED Step-Up Converter

6 5 1：Switch 4 2：GND 3：Feedback Symbol Description 6：Supply SW Voltage GND 5：Over Voltage Symbol VIN OVP FB 4：Start-Up CE 1/8 Block Diagram LESHAN RADIO COMPANY, LTD. LR246 PIN4 PWM CONTROL Fosc PIN6(VIN) VREF SHUTDOWN CURRENT SENSE + SLOPE COMP + - gm PIN1(SW) PIN5(OVP) 00 0 PIN2(GND) PIN3(FB) + - + D246 2/8 LESHAN RADIO COMPANY, LTD. Elec.

Features

Description 6 5 1：Switch 4 2：GND 3：Feedback Symbol Description 6：Supply SW Voltage GND 5：Over Voltage Symbol VIN OVP FB 4：Start-Up CE 1/8 Block Diagram LESHAN RADIO COMPANY, LTD. LR246 PIN4 PWM CONTROL Fosc PIN6(VIN) VREF SHUTDOWN CURRENT SENSE + SLOPE COMP + - gm PIN1(SW) PIN5(OVP) 00 0 PIN2(GND) PIN3(FB) + - + D246 2/8 LESHAN RADIO COMPANY, LTD. Electrical Characteristics Tamb = 25℃, VIN=3V，VCE=3V,unless otherwise specified. Parameter Test Conditions / Pins Minimum Operating Voltage Maximum Operating Voltage Feedback Voltage ISW=100mA, Duty Cycle=66% FB Pin Bias Cu.