DC/DC Controller, 115kHz, 19.5V, 16mA, PDIP-20
Power Factor Correction and PWM Controller 0.3mA 115kHz 20-Pin SO Tube
Power Factor Correction and PWM Controller 0.3mA 115kHz 20-Pin SO T/R
L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode
Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin PDIP Tube