3842 is a single output, the general switching power supply are used this,TL494 is a double output, can be made into complementary output, can also be made into a single output is mainly used in the computer power supply.3842 simpler,494 complex a little bit of stability and efficiency! Mainly on the design of the power supply
3842 is a single output, the general switching power supply are used this,TL494 is a double output, can be made into complementary output, can also be made into a single output is mainly used in the computer power supply.3842 simpler,494 complex a little bit of stability and efficiency! Mainly on the design of the power supply