AP3917B Datasheet | Diodes Incorporated

UNIVERSAL AC VOLTAGE STEP DOWN POWER SWITCHER Description Pin Assignments The AP3917B is a universal AC voltage input step-down power switcher, which is specially designed for home appliance and Io T applications with non-isolated buck solution or offline flyback solution. (Top View) The device integrates a 650V high performance Power MOSFET. Coordinating with a single-winding inductor, it uses fewer external ponents and provides a low Bill Of Material (BOM) cost solution. NC 1 NC 2 7 Drain The AP3917B can achieve excellent regulation and high power efficiency. The peak current and switching frequency continuously reduce as the load decreases, so it can get excellent efficiency performance at light load and improve the overall system efficiency. S3 S4 6 FB 5 BP The AP3917B has multiple protection Features to enhance the system safety and reliability. It has over temperature protection, undervoltage lock function, output short protection, overload protection, and open-loop protection. The AP3917B is available in the SO-7 package. Features - Universal 85VAC to 265VAC Input Range - Internal MOSFET of 650V - Maximal Peak Current: 280m A Typical - Improved Constant Voltage: ±5% - Maximum 170m A Rated Output Current - No Load Power Consumption: < 30m W with External Bias - Frequency Modulation to Suppress EMI - Various Protections: OTP (Over Temperature Protection), OLP (Overload Protection), SCP (Short Circuit Protection) - Fewer ponents - Low Audible Noise Solution - SO-7 Package - Moisture Sensitivity: MSL Level 3 per J-STD-020 - Terminals: Finish - Matte Tin Plated Leads, Solderable per M2003 JESD22-B102, Method...