BD9S109NUX-C Series

2.7V to 5.5V Input, 1A Single Synchronous Buck DC/DC Converter for Automotive

Catalog

2.7V to 5.5V Input, 1A Single Synchronous Buck DC/DC Converter for Automotive

Part	Operating Temperature [Max]	Operating Temperature [Min]	Output Type	Grade	Package / Case	Mounting Type	Voltage - Output (Min/Fixed)	Voltage - Input (Max) [Max]	Number of Outputs	Qualification	Synchronous Rectifier	Topology	Output Configuration	Function	Frequency - Switching	Supplier Device Package	Voltage - Output (Max) [Max]	Current - Output	Voltage - Input (Min) [Min]
Rohm Semiconductor BD9S109NUX-CE2	125 °C	-40 °C	Adjustable	Automotive	8-UFDFN Exposed Pad	Surface Mount	0.8 V	5.5 V	1	AEC-Q100		Buck	Positive	Step-Down	2.2 MHz	VSON008X2020	5.5 V	1 A	2.7 V

Catalog

2.7V to 5.5V Input, 1A Single Synchronous Buck DC/DC Converter for Automotive

Description

BD9S109NUX-C is a synchronous buck DC/DC Converter with built-in low On Resistance power MOSFETs. It is capable of providing current up to 1A. 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.