BP2525F SOT33-5 Non-isolated Step Down Buck SMD IC
The BP2525F SOT33-5 Non-isolated Step Down Buck SMD IC is an advanced integrated circuit engineered by Bright Power Semiconductor for efficient power conversion in constant voltage scenarios. This device excels in non-isolated buck converter applications, boasting ultra-low standby power consumption that aligns perfectly with energy-efficient designs. It operates effectively across a universal input voltage range of 85VAC to 265VAC, integrating a high-voltage startup circuit and power MOSFET to streamline system design and minimize external components.
Features:
- Standby power of less than 20mW at both 120Vac and 230Vac.
- Fixed output voltage options of 3.3V and 5V.
- Supports direct 3.3V output without requiring an external LDO (Low-Dropout Regulator).
- Minimized audible noise during operation.
- Integrated internal High Voltage Power MOSFET.
- Integrated high-voltage startup circuit.
- Excellent dynamic response for smaller output voltage ripple.
- ±5% output constant voltage (CV) accuracy.
- Integrated soft startup function.
Specifications:
| Parameter | Value |
|---|---|
| Input Voltage Range | 85-265VAC |
| Output Voltage (SEL to VCC) | 3.3V |
| Output Voltage (SEL to GND) | 5V |
| Continuous Output Current (3.3V) | 500mA |
| Continuous Output Current (5V) | 500mA |
| Pulse Output Current | 700mA |
| MOSFET Peak Current | 1200mA |
| MOSFET On-State Resistance | 5.6Ω |
| MOSFET Drain-Source Breakdown Voltage | 500V |
| Maximum Switching Frequency | 35kHz |
| Maximum Duty Cycle | 64% |
| Current Sense Threshold | 200mV |
| VCC Clamp Voltage | 6V |
| Operating Junction Temperature | -40 to150°C |
| Thermal Shutdown Temperature | 155°C |
| Package | SOT33-5A |
Pin Configuration:
| Pin No. | Name | Description |
|---|---|---|
| 1 | GND | Ground. |
| 2 | SEL | Output voltage selection pin. To VCC: Vout=3.3V; To GND: Vout=5V. |
| 3 | VCC | Power supply pin. |
| 4 | DRAIN | Drain of the integrated HV MOSFET. |
| 5 | CS | Current Sense Pin. Connect a resistor to GND to sense the MOS current. |
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 BP2525F SOT33-5 Non-isolated Step Down Buck SMD IC
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