BD9S231NUX-C Series

2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive

Catalog

2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive

Part	Mounting Type	Supplier Device Package	Voltage - Output (Min/Fixed)	Number of Outputs	Current - Output	Function	Topology	Output Type	Frequency - Switching	Output Configuration	Voltage - Input (Min) [Min]	Synchronous Rectifier	Grade	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Max) [Max]	Package / Case	Qualification	Voltage - Input (Max) [Max]
Rohm Semiconductor BD9S231NUX-CE2	Surface Mount	VSON008X2020	0.8 V	1	2 A	Step-Down	Buck	Adjustable	2.2 MHz	Positive	2.7 V		Automotive	-40 °C	125 °C	5.5 V	8-UFDFN Exposed Pad	AEC-Q100	5.5 V

Catalog

2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive

Key Features

• AEC-Q100 Qualified(Grade 1), Single Synchronous Buck DC/DC Converter, Adjustable Soft Start Function, Power Good Output, Input Under Voltage Lockout Protection(UVLO), Short Circuit Protection(SCP), Output Over Voltage Protection(OVP), Over Current Protection(OCP), Thermal Shutdown Protection(TSD)

Description

BD9S231NUX-C is a synchronous buck DC/DC Converter with built-in low On Resistance power MOSFETs. It is capable of providing current up to 2A. Small inductor is applicable due to high switching frequency of 2.2MHz. It is a current mode control DC/DC Converter and features high-speed transient response. It has a built-in phase compensation circuit. Applications can be created with a few external components.