4.5V to 18V Input, 4.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter - BD9C401EFJ

BD9C401EFJ is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. With wide input voltage range, It is capable of providing current of up to 4A. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily. BD9C401EFJ

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BD9C401EFJ-E2ActiveHTSOP-J825002500TapingYes

BD9C401EFJ Data Sheet

Specifications
GradeStandard
ch1
Integrated FET / ControllerIntegrated FET
Buck / Boost / Buck-Boost / InvertingBuck
Synchronous / NonsynchronousSynchronous
Vin1(Min.)[V]4.5
Vin1(Max.)[V]18.0
Vout1(Min.)[V]0.8
Vout1(Max.)[V]12.6
Iout1(Max.)[A]4.0
SW frequency(Max.)[MHz]0.55
Light Load modeNo
ENYes
PGOODNo
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
Applications
  • Coin Processing Machines
  • Portable Data Terminal
  • Meter for Medical Treatments Portable
  • Barcode Scanner
  • Digital Multimeter: Handy Type
  • Digital Stethoscope
  • Single Board Computer
  • Network Attached Storage
  • X-ray Inspection Machine for Security
  • Monitor for Medical
  • CT Scanner
  • ECG(EKG)
  • Intercom / Baby Monitor
  • Fingerprint Authentication Device
  • Machine Vision Camera for Industrial
  • Pulse Oximeter
  • Display for EMS
  • Digital Multimeter: Bench Type
Technical Documents
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Evaluation Board User's Guide BD9C401EFJ
Reference Circuits and Bomlist BD9C401EFJ
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BA12004BF
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BU9006GUZ
Part Explanation BA12004BF