AP3917B/C/D Power Switchers

By Diodes Incorporated 98

AP3917B/C/D Power Switchers

Diodes' AP3917B, AP3917C, and AP3917D are a family of universal AC, high-voltage input, step-down power switchers with different HV MOS switches to support various power applications. The devices provide a simple power supply solution for smart-home appliances, home automation, industrial control, and IoT power applications. Supporting both non-isolated buck or offline flyback topology solutions, they have several differentiating advantages. All three are available in SO-7 package that supports HV creepage requirements.

Features
  • Low system BOM cost
    • Non-isolated buck configuration removes expensive components
  • Low standby power (<30 mW)
    • Beats latest standby power requirements
  • High light-load efficiency
    • Ideal for IoT devices and other equipment that spends large periods of time sleeping
  • Rich protection: OTP, OLP, and SCP
    • Ensures reliable operation
  • Industry-standard footprint compatible family
    • Matches various power requirements B/C/D: 2 W / 4 W / 6 W output power
Applications
  • Smart-home appliances
  • Industrial controls
  • Home automation
  • IoT power
  • Standby and auxiliary power

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