AP3917B - Diodes

AP3917B UNIVERSAL AC VOLTAGE STEP DOWN POWER SWITCHER

Pin Assignments The AP3917B is a universal AC voltage input step-down power switcher, which is specially designed for home appliance and IoT 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 co.

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: 280mA Typical
 Improved Constant Voltage: ±5%
 Maximum 170mA Rated Output Current
 No Load Power Consumption: < 30mW with External Bias
 Frequency Modulation to Suppress EMI
 Various Protections: OTP (Over Temperature Protection), OLP (Overload Protection), SCP (Short.