Pulse Width Modulators, Controller - UC3843 and elements with same datasheet

UC3843 - Pulse Width Modulators, Controller

Possible substitute or elements with same package in depends of Datasheet 1

UC3845	Pulse Width Modulators, Controller
UC2845	Pulse Width Modulators, Controller
UC1842	Pulse Width Modulators, Controller
UC3843	Pulse Width Modulators, Controller
UC2843	Pulse Width Modulators, Controller
UC3842	Pulse Width Modulators, Controller
UC2842	Pulse Width Modulators, Controller
UC2844	Pulse Width Modulators, Controller
UC1843	Pulse Width Modulators, Controller
UC1845	Pulse Width Modulators, Controller
UC3844	Pulse Width Modulators, Controller
UC1844	Pulse Width Modulators, Controller