Description

• Parameters: Non-isolated BUCK constant current LED lighting driver IC
• Description: The SDH771XTK is a high-precision LED constant current driver circuit, it is applicable to non-isolated buck LED constant current power system with full AC input voltage range of 85VAC~265VAC. SDH771XTK integrates 500V high-voltage power MOSFET, and a 600V freewheeling diode. It integrates a high-voltage power supply circuit, it is able to supply power to itself without any startup resistor and auxiliary winding, and at the same time, a conventional external power supply capacitor VCC is omitted
• Features: Available 500V high voltage power MOSFET in one package with stable performance Integrated 600V ultra-fast recovery diode Integrated high-voltage power supply, without the need for any external starting resistor and VCC capacitor Accurate constant current threshold (<±3%) Output short circuit protection Over temperature regulation Cycle-by-cycle over current protection No auxiliary winding Ordering Information Product Name • Applications: LED Lighting, Lighting, Power Supply