Downloading...
 
product-image
 

4.5-18V 3.0A 1ch Synchronous Buck Converter - BD9D320EFJ

BD9D320EFJ is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. It is capable of providing current of up to 3A. External phase compensation circuit is not necessary for it is a constant on-time control DC/DC converter with high speed response.
Buy Evaluation BoardDownload Evaluation Board Data

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD9D320EFJ-E2 Active HTSOP-J8 2500 2500 Taping Yes
 
Specifications:
Grade Standard
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 4.5
Vin1(Max.)[V] 18.0
Vout1(Min.)[V] 0.765
Vout1(Max.)[V] 7.0
Iout1(Max.)[A] 3.0
SW frequency(Max.)[MHz] 0.7
Light Load mode Yes
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Features:
  •  Synchronous Single DC/DC Converter
     Constant On-time Control
     Over Current Protection
     Short Circuit Protection
     Thermal Shutdown Protection
     Under Voltage Lockout Protection
     Adjustable Soft Start
     HTSOP-J8 Package (Backside Heat Dissipation)
 
 
Technical Data
Evaluation Board User's Guide

BD9D320EFJ Evaluation Board User's Guide

Reference Circuits and Bomlist

Reference Circuits and Bomlist

Application Note

Capacitor Calculation for Buck converter IC

Application Note

Inductor Calculation for Buck converter IC

Application Note

Resistor Value Table to set Output Voltage of Buck Converter IC

Application Note

Thermal Resistance

Application Note

PCB Layout Techniques of Buck Converter

Application Note

The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit

Application Note

Calculation of Power Loss (Synchronous)

Application Note

Considerations for Power Inductors Used for Buck Converters

Application Note

Snubber Circuit for Buck Converter IC

Application Note

Efficiency of Buck Converter

Application Note

Buck DC/DC Converter Recommended Inductor List