BL8536 Power Management IC – 300mA Synchronous DC/DC Buck Converter | 0.9–5V, 1MHz | SOT23-3 SOT23-5 SOT89-3

The BL8536 is a compact Power Management IC featuring a synchronous DC/DC step-down (buck) converter with an internal MOSFET.
It operates from a 0.9V to 5.0V input voltage range and provides a fixed output voltage from 1.8V to 3.6V.

With PWM operation, the BL8536 achieves up to 95% efficiency, delivers 300mA output current, and maintains a low quiescent current of 15µA, making it ideal for wireless and Bluetooth devices.

Key Specifications

• Input Voltage (VIN): 0.9V – 5.0V

• Output Voltage (VOUT): 1.8V – 3.6V

• Output Current (IOUT): Up to 300mA

• Quiescent Current (IQ): 15µA

• Switching Frequency (FOSC): 1MHz

• Operating Mode: Synchronous PWM

• Efficiency: Up to 95%

• Output Accuracy: ±2%

• Package: SOT23-3, SOT23-5, SOT89-3

Applications

• Bluetooth devices

• Wireless modules

• Low-voltage portable electronics

Features

• Synchronous buck architecture

• High efficiency at light loads

• Low standby current

• Small footprint packages

• Stable output regulation