1.IC original new TD1410 new 2,Quickly delivery 3,Nice price 4,30-60 days ... is accepte IC Original TD1410C Electronic ComponentTD1410 2A 380KHz 20V PWM Buck DC/DC ConverterDATASHEET:The TD1410 is a 380 KHz ... reference, oscillation circuit, error amplifier, internal PMOS and etc.The PWM control circuit is able to adjust the duty ratio linearly ...