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