Found 5 alternatives for KA3505 by onsemi. Pmic Power Supply Controllers Monitors — 16-DIP (0.300", 7.62mm).
IC RESONANT CONVERTR CTRLR 16DIP
IC 2.5V PWR SUPPLY MON 16-DIP
IC CTRLR PC PWR FAIL/RSET 16-DIP
SWITCHING CONTROLLER