BD9S231NUX-C
2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive
BD9S231NUX-C
2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive
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.
Product Detail
Functional Safety:
Specifications:
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
2.7
Vin1(Max.)[V]
5.5
Vout1(Min.)[V]
0.8
Vout1(Max.)[V]
5.5
Iout1(Max.)[A]
2
SW frequency(Max.)[MHz]
2.2
Light Load mode
No
EN
Yes
PGOOD
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
125
Common Standard
AEC-Q100 (Automotive Grade)
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)
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD9S231NUX-TSB-001
This Evaluation Board was developed for ROHM’s single Synchronous buck DC/DC converter BD9S231NUX-C. BD9S231NUX-C is a synchronous buck DC/DC converter with built-in low On Resistance power MOSFETs. BD9S231NUX-C accepts a power supply input range of 2.7V to 5.5V and generates a maximum output current of 2A. BD9S231NUX-C generates an output voltage range of 0.8V to VIN using external resistors. BD9S231NUX-C is a current mode control DC/DC Converter and features high-speed transient response.
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