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4.5V to 18V, 3A 1ch Synchronous Buck Converter - BD95835EFJ

BD95835EFJ is a 1ch synchronous buck converter that can generate output voltage (0.9V to VIN x 0.6) at the input voltage range (4.5V to 18V). Space-saving and high efficient switching regulator can be achieved due to built-in N-MOSFET power transistors. The IC also incorporates constant ON TIME control mode which facilitates ultra-high transient response against changes in load. Variable soft start function, short circuit protection and over voltage protection are incorporated. The BD95835EFJ is designed for power supplies for Digital AV Equipment.

* 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
BD95835EFJ-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] 0.9
Vout1(Max.)[V] 10.8
Iout1(Max.)[A] 3.0
SW frequency(Max.)[MHz] 0.8
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Features:
  • ・ Switching Frequency: 200kHz to 800kHz (depend on input-output condition)
    ・ Built-in Power MOS FET High-side Nch FET ON resistance: 100mΩ(typ.) Low-side Nch FET ON resistance: 100mΩ(typ.)
    ・ Fast Transient Responses due to ON TIME control
    ・ Over Current Protection (OCP)
    ・ Thermal Shut Down (TSD)
    ・ Under-Voltage Lock-Out (UVLO)
    ・ Short Circuit Protection (SCP)
    ・ Over Voltage Protection (OVP)
    ・ Variable Soft Start
 
 
Technical Data
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