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

                                                                                                  BD9P308MUF-CE2

                                                                                                  DC-DC Switching Synchronous Buck Regulator, Adjustable, 3.5 to 40V in, 0.8 to 8.5V/3A out

                                                                                                  ROHM
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ROHM BD9P308MUF-CE2
                                                                                                  ManufacturerROHM
                                                                                                  Manufacturer Part NoBD9P308MUF-CE2
                                                                                                  Order Code4137623
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
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                                                                                                  QuantityPrice
                                                                                                  1+HK$17.710
                                                                                                  10+HK$11.980
                                                                                                  50+HK$11.340
                                                                                                  100+HK$10.700
                                                                                                  250+HK$10.090
                                                                                                  500+HK$9.760
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                                                                                                  2500+HK$8.810
                                                                                                  Price for:Each (Supplied on Cut Tape)
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                                                                                                  Multiple: 1
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                                                                                                  Product Information

                                                                                                  ROHM
                                                                                                  ManufacturerROHM
                                                                                                  Manufacturer Part NoBD9P308MUF-CE2
                                                                                                  Order Code4137623
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Output TypeAdjustable
                                                                                                  No. of Outputs1Outputs
                                                                                                  TopologySynchronous Buck (Step Down)
                                                                                                  Input Voltage Min3.5V
                                                                                                  Input Voltage Max40V
                                                                                                  Output Current3A
                                                                                                  Max Output Current3A
                                                                                                  IC Case / PackageVQFN24FV4040-EP
                                                                                                  No. of Pins24Pins
                                                                                                  IC MountingSurface Mount
                                                                                                  Output Voltage - Nom-
                                                                                                  Output Voltage Min800mV
                                                                                                  Output Voltage Max8.5V
                                                                                                  Switching Frequency Typ2.2MHz
                                                                                                  Efficiency-
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max125°C
                                                                                                  Product Range-
                                                                                                  QualificationAEC-Q100
                                                                                                  SVHCNo SVHC (25-Jun-2025)
                                                                                                  DC / DC Converter IC CaseVQFN24FV4040-EP
                                                                                                  Automotive Qualification StandardAEC-Q100
                                                                                                  Switching Frequency2.2MHz

                                                                                                  Product Overview

                                                                                                  BD9P308MUF-CE2 is a single buck DC/DC converter for automotive. This is a current mode synchronous buck DC/DC converter integrating POWER MOSFETs. Application includes automotive powered supplies, consumer powered supplies.

                                                                                                  • VQFN24FV4040 package, operating temperature range from -40°C to +125°C
                                                                                                  • 3.5V to 40V input voltage range (Initial start-up is 4V or more), 3A output current
                                                                                                  • 0.8V to 8.5V output voltage range, 440KHz switching frequency (FREQ-SEL = H, Typ)
                                                                                                  • ±1.75% (-40°C to +125°C) output voltage accuracy, 2.1μA shutdown current (typ)
                                                                                                  • Nano pulse control™, AEC-Q100 qualified (grade 1)
                                                                                                  • Minimum ON pulse 50ns (Max), soft start function, current mode control
                                                                                                  • Reset function, light load mode (LLM), forced pulse wide modulation (PWM) mode
                                                                                                  • Phase compensation included, selectable switching frequency, spread spectrum switching
                                                                                                  • External synchronization function, over current, output over voltage protection
                                                                                                  • Input undervoltage lockout thermal shut down, short circuit protection

                                                                                                  Technical Specifications

                                                                                                  Output Type

                                                                                                  Adjustable

                                                                                                  Topology

                                                                                                  Synchronous Buck (Step Down)

                                                                                                  Input Voltage Max

                                                                                                  40V

                                                                                                  Max Output Current

                                                                                                  3A

                                                                                                  No. of Pins

                                                                                                  24Pins

                                                                                                  Output Voltage - Nom

                                                                                                  -

                                                                                                  Output Voltage Max

                                                                                                  8.5V

                                                                                                  Efficiency

                                                                                                  -

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  Qualification

                                                                                                  AEC-Q100

                                                                                                  DC / DC Converter IC Case

                                                                                                  VQFN24FV4040-EP

                                                                                                  Switching Frequency

                                                                                                  2.2MHz

                                                                                                  No. of Outputs

                                                                                                  1Outputs

                                                                                                  Input Voltage Min

                                                                                                  3.5V

                                                                                                  Output Current

                                                                                                  3A

                                                                                                  IC Case / Package

                                                                                                  VQFN24FV4040-EP

                                                                                                  IC Mounting

                                                                                                  Surface Mount

                                                                                                  Output Voltage Min

                                                                                                  800mV

                                                                                                  Switching Frequency Typ

                                                                                                  2.2MHz

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  Product Range

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Automotive Qualification Standard

                                                                                                  AEC-Q100

                                                                                                  Technical Docs (1)

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  Thailand
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85423990
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.00004
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