AP3917B Overview
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 ponents and provides a low Bill Of Material (BOM) cost solution.
AP3917B Key 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
- Fewer ponents
- Low Audible Noise Solution
AP3917B Applications
- Matte Tin Plated Leads, Solderable per