UC2844AN

IC CUR-MODE PWM CONT 8-DIP,                                          

PMIC - Voltage Regulators - DC DC Switching Controllers
Packaging      Tube 
PWM Type    Current Mode
Number of Outputs    1
Frequency - Max    500kHz
Duty Cycle    100%
Voltage - Supply    10 V ~ 30 V
Package / 8-DIP (0.300", 7.62mm)

​  data sheet