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                                                                                                  • New Deals
                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Power Management ICs - PMIC
                                                                                                    4. Voltage Regulators
                                                                                                    5. DC / DC Switching Regulators
                                                                                                    Print Page

                                                                                                    BD9D321EFJ-E2

                                                                                                    DC-DC Switching Buck Step Down Regulator, Adjustable, 4.5V-18Vin, 765mV-7Vout, 3Aout, HTSOP-8 RoHS Compliant: Yes

                                                                                                    Date/Lot Code

                                                                                                    ROHM
                                                                                                    ROHM BD9D321EFJ-E2
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    ManufacturerROHM
                                                                                                    Manufacturer Part NoBD9D321EFJ-E2
                                                                                                    Newark Part No.49Y7431
                                                                                                    Your Part Number
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    3,877 In Stock

                                                                                                    Need more?

                                                                                                    Delivery in 2-4 Business Days(UK stock)
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                                                                                                    Price shown includes applicable duties and tariffs
                                                                                                    QuantityPrice
                                                                                                    1+$0.690
                                                                                                    10+$0.591
                                                                                                    100+$0.531
                                                                                                    500+$0.499
                                                                                                    1000+$0.470
                                                                                                    Price for:Each
                                                                                                    Minimum: 1
                                                                                                    Multiple: 1
                                                                                                    $0.69
                                                                                                    Line Note
                                                                                                    Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                    Product Information

                                                                                                    ROHM
                                                                                                    ManufacturerROHM
                                                                                                    Manufacturer Part NoBD9D321EFJ-E2
                                                                                                    Newark Part No.49Y7431
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Regulator Output TypeAdjustable
                                                                                                    No. of Outputs1Outputs
                                                                                                    TopologySynchronous Buck (Step Down)
                                                                                                    Input Voltage Min4.5V
                                                                                                    Input Voltage Max18V
                                                                                                    Output Current3A
                                                                                                    Max Output Current3A
                                                                                                    IC Case / PackageHTSOP
                                                                                                    No. of Pins8Pins
                                                                                                    IC MountingSurface Mount
                                                                                                    Output Voltage - Nom-
                                                                                                    Output Voltage Min765mV
                                                                                                    Output Voltage Max7V
                                                                                                    Switching Frequency Typ700kHz
                                                                                                    Efficiency-
                                                                                                    Operating Temperature Min-40°C
                                                                                                    Operating Temperature Max85°C
                                                                                                    Product Range-
                                                                                                    Qualification-
                                                                                                    MSLMSL 1 - Unlimited
                                                                                                    SVHCLead (17-Jan-2023)
                                                                                                    DC / DC Converter IC CaseHTSOP
                                                                                                    Automotive Qualification Standard-
                                                                                                    Switching Frequency700kHz

                                                                                                    Technical Specifications

                                                                                                    Regulator Output Type

                                                                                                    Adjustable

                                                                                                    Topology

                                                                                                    Synchronous Buck (Step Down)

                                                                                                    Input Voltage Max

                                                                                                    18V

                                                                                                    Max Output Current

                                                                                                    3A

                                                                                                    No. of Pins

                                                                                                    8Pins

                                                                                                    Output Voltage - Nom

                                                                                                    -

                                                                                                    Output Voltage Max

                                                                                                    7V

                                                                                                    Efficiency

                                                                                                    -

                                                                                                    Operating Temperature Max

                                                                                                    85°C

                                                                                                    Qualification

                                                                                                    -

                                                                                                    SVHC

                                                                                                    Lead (17-Jan-2023)

                                                                                                    Automotive Qualification Standard

                                                                                                    -

                                                                                                    No. of Outputs

                                                                                                    1Outputs

                                                                                                    Input Voltage Min

                                                                                                    4.5V

                                                                                                    Output Current

                                                                                                    3A

                                                                                                    IC Case / Package

                                                                                                    HTSOP

                                                                                                    IC Mounting

                                                                                                    Surface Mount

                                                                                                    Output Voltage Min

                                                                                                    765mV

                                                                                                    Switching Frequency Typ

                                                                                                    700kHz

                                                                                                    Operating Temperature Min

                                                                                                    -40°C

                                                                                                    Product Range

                                                                                                    -

                                                                                                    MSL

                                                                                                    MSL 1 - Unlimited

                                                                                                    DC / DC Converter IC Case

                                                                                                    HTSOP

                                                                                                    Switching Frequency

                                                                                                    700kHz

                                                                                                    Technical Docs (2)

                                                                                                    Technical Data Sheet EN

                                                                                                    Product Change Notice EN

                                                                                                    Legislation and Environmental

                                                                                                    US ECCN:Unknown
                                                                                                    EU ECCN:Unknown
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:Lead (17-Jan-2023)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Product traceability

                                                                                                    Date/Lot Code

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