Single-chip Type with Built-in FET Switching Regulators

●Description

The BD9329AEFJ is a synchronous step-down switching regulator that integrates 2 low resistance N-channel MOSFETs. It achieves 3A continuous output currentover a wide input supply range. Current mode operation provides fast transient response and easy phase compensation.

●Features

 1)  Wide operating INPUT Range 4.2V～18.0V

 2)  3A Output Current

 3)  Hi-side / Lo-side FET ON-resistance; 0.15 / 0.13ΩPower Switch

 4)  Low ESR Output Ceramic Capacitors are Available

 5)  Low Standby Current during Shutdown Mode

 6)  380 kHz Fixed Operating Frequency

 7)  Feedback voltage 0.9V ±1.5% Accuracy at room temp. (±2.0% guaranteed for -25℃to 85℃temperature range)

8) Protection Circuits

      Under Voltage Lockout Protection

      Thermal Shutdown  

      Over Current Protection

 9)  HTSOP-J8 Package with Exposed thermal PAD.

●Applications

Distributed Power System

Pre-Regulator for Linear Regulator