4.2-18V 3A 1ch Synchronous Buck converter - BD9329AEFJ

The BD9329AEFJ is a synchronous step-down switching regulator that integrates 2 low resistance N-channel MOSFETs. It achieves 3A continuous output current over a wide input supply range. Current mode operation provides fast transient response and easy phase compensation.ROHM recommends for new design.Please refer to for more information. BD9329AEFJ

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BD9329AEFJ-E2Active(Inquiry)HTSOP-J825002500TapingYes

BD9329AEFJ Data Sheet

Specifications
GradeStandard
ch1
Integrated FET / ControllerIntegrated FET
Buck / Boost / Buck-Boost / InvertingBuck
Synchronous / NonsynchronousSynchronous
Vin1(Min.)[V]4.2
Vin1(Max.)[V]18.0
Vout1(Min.)[V]0.9
Vout1(Max.)[V]12.6
Iout1(Max.)[A]3.0
SW frequency(Max.)[MHz]0.38
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
  • Refrigerator
  • Digital Stethoscope
  • Single Board Computer
  • Network Attached Storage
  • Notebook PC
  • MFP(Multi Function Printer)
  • 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
  • TV
Technical Documents
Pin Configuration
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Reference Circuits and Bomlist BD9329AEFJ
Application Note BU9006GUZ
Application Note BU9006GUZ
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Application Note BA12004BF
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Package Information BD9D321EFJ
Package Information BD9D321EFJ
Part Explanation BA12004BF
Package Information BD9329AEFJ