PWM Controller, 500kHz, 1A, 5V, 30V, 8-Pin PDIP
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDIP8, MINI, DIP-8
UC3844AN-AWSC
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0°C to 70°C 8-PDIP 0 to 70