BL8042D Power Management IC – 1A Asynchronous DC/DC Boost Converter | 2.5–24V, SOT23-6

The BL8042D is functionally similar to BL8042C, offering an asynchronous DC/DC boost converter with internal MOSFET integration.
It supports a 2.5V to 24V input voltage range and adjustable output voltage via 0.6V feedback.

With PWM/PFM operation, it delivers 1A output current, 97% efficiency, and a 1.2MHz switching frequency, packaged in SOT23-6 for flexible PCB layouts.

Key Specifications

• Input Voltage (VIN): 2.5V – 24V (28V max)

• Output Voltage (VOUT): Adjustable (VFB = 0.6V)

• Output Current (IOUT): Up to 1A

• Quiescent Current (IQ): 0.25mA

• Switching Frequency (FOSC): 1.2MHz

• Operating Mode: Asynchronous PWM / PFM

• Efficiency: Up to 97%

• Output Accuracy: ±2%

• Package: SOT23-6

Applications

• Set-top boxes

• Consumer electronics

• DC boost conversion

Features

• High efficiency

• Internal MOSFET

• Compact high-frequency design

• Stable adjustable output