BP2522F SOT33-5 Non-isolated Step Down Buck SMD IC

BP2522F SOT33-5 Non-isolated Step Down Buck SMD IC

The BP2522F SOT33-5 Non-isolated Step Down Buck SMD IC is an ultra-low standby power, non-isolated constant voltage buck converter designed for compact and cost-effective auxiliary power supply applications. This device integrates a high-voltage power MOSFET and advanced control circuitry, enabling direct operation from a wide 85Vac to 265Vac universal AC input range without the need for an auxiliary winding. Its compact SOT33-5 surface-mount package makes it well suited for space-constrained designs requiring high reliability and efficiency.

Features:

• Ultra-low standby power consumption below 20mW.
• Integrated high-voltage power MOSFET.
• Wide input voltage range from 85Vac to 265Vac.
• Fixed 12V or 24V output voltage selection.
• PWM and PFM multi-mode control operation.
• Integrated high-voltage startup circuit.
• Soft-start function for reduced inrush stress.
• Excellent dynamic response and low output ripple.

Specifications:

Pin Configuration:

• Pin1 – GND: Ground reference pin.
• Pin2 – SEL: Output voltage selection pin, connect to VCC for 12V output or to GND for 24V output.
• Pin3 – VCC: IC power supply pin.
• Pin4 – DRAIN: Drain of the integrated high-voltage MOSFET.
• Pin5 – CS: Current sense pin for peak current control.

Footprint:

Applications:

• Standby power supplies for smart lighting systems.
• Auxiliary power sources in consumer electronics.
• Power conversion in IoT devices requiring low standby power.
• Non-isolated buck converters for small appliances.
• Energy-efficient power management in industrial controls.

Package Include:

1x BP2522F SOT33-5 Non-isolated Step Down Buck SMD IC

Datasheet:

BP2522F