BD9S400MUF-CE2 Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 4A 16-VFQFN Exposed Pad
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All prices are in JPY.
Price Break Unit Price Extended Price
1 344.00000 ¥344
10 309.10000 ¥3,091
25 291.56000 ¥7,289
100 248.39000 ¥24,839
250 233.22400 ¥58,306
500 204.07000 ¥102,035
1,000 169.08800 ¥169,088

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Alternate Package
  • Tape & Reel (TR)  : BD9S400MUF-CE2TR-ND
  • Minimum Quantity: 3,000
  • Quantity Available: 0
  • Unit Price: ¥165.01767
  • Cut Tape (CT)  : BD9S400MUF-CE2CT-ND
  • Minimum Quantity: 1
  • Quantity Available: 0
  • Unit Price: ¥344.00000


Digi-Key Part Number BD9S400MUF-CE2DKR-ND

Rohm Semiconductor

Manufacturer Part Number BD9S400MUF-CE2
Description IC REG BUCK ADJ 4A 16VQFN
Manufacturer Standard Lead Time 52 Weeks
Detailed Description

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 4A 16-VFQFN Exposed Pad

Customer Reference
Documents & Media
Datasheets BD9S400MUF-C
Other Related Documents AEC-Q101 Automotive Requirements
EDA / CAD Models BD9S400MUF-CE2 by Ultra Librarian
Product Attributes
Type Description Select All
Manufacturer Rohm Semiconductor
Series Automotive, AEC-Q100
Packaging Digi-Reel® 
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.7V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 4.4V
Current - Output 4A
Frequency - Switching 2.2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 16-VFQFN Exposed Pad
Supplier Device Package VQFN016V3030
Base Part Number BD9S400
Environmental & Export Classifications
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Additional Resources
Standard Package 1
Other Names BD9S400MUF-CE2DKR