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BD9E303EFJ-LBE2

BD9E303EFJ-LBE2

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Rohm Semiconductor

DC-DC SWITCHING SYNCHRONOUS BUCK REGULATOR, ADJUSTABLE, 7 TO 36V IN, 1 TO 28.8V/3A OUT, HTSOIC-8

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BD9E303EFJ-LBE2

BD9E303EFJ-LBE2

Active
Rohm Semiconductor

DC-DC SWITCHING SYNCHRONOUS BUCK REGULATOR, ADJUSTABLE, 7 TO 36V IN, 1 TO 28.8V/3A OUT, HTSOIC-8

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Description

General part information

BD9E303 Series

This is the product guarantees long time support in Industrial market. BD9E303EFJ-LB(E2) is a synchronous buck switching regulator with built-in power MOSFETs. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily.BD9E301EFJ-LB is also available as a small reel product with 250 packages.→BD9E303EFJ-LBH2We recommendBD9E303UEFJ-LBE2for your new development. It uses different production lines for the purpose of improving production efficiency. Electric characteristics noted in Datasheet does not differ between Production Line.

Technical Specifications

Parameters and characteristics for this part

SpecificationBD9E303EFJ-LBE2
Current - Output3 A
Frequency - Switching300 kHz
FunctionStep-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive
Output TypeAdjustable
Package FeaturesExposed Pad
Package Length0.154 in
Package Name8-HTSOP-J, 8-SOIC
Package Width3.9 mm
Synchronous RectifierYes
TopologyBuck
Voltage - Input (Max)36 V
Voltage - Input (Min)7 V
Voltage - Output (Max)28.8 V
Voltage - Output (Min/Fixed)1 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet
BD9E303EFJ-LBE2 Flammability
HTSOP-J8 Taping Spec
Technical Data Sheet EN
Product Change Notice EN
Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
PCB Layout Essential Check sheet for Switching Regulator
Overview of ROHM's Simulation Models(for ICs and Discrete Semiconductors)
Factory Information
θ<sub>JA</sub> and Ψ<sub>JT</sub>
Industrial DC/DC Buck Converters BD9x Series
Bootstrap Circuit in the Buck Converter
Inductor Calculation for Buck converter IC
What Is Thermal Design
Snubber Circuit for Buck Converter IC
Considerations for Power Inductors Used for Buck Converters
PCB Layout for BD9E303EFJ-LB
Basics of Thermal Resistance and Heat Dissipation
Three Steps for Successful Design of DC-DC Converters
The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
How to Use the Thermal Resistance and Thermal Characteristics Parameters
Precautions When Measuring the Rear of the Package with a Thermocouple
Judgment Criteria of Thermal Evaluation
Precautions for PCB Layout Regarding Common Mode Filters
Solder Joint Rate and Thermal Resistance of Exposed Pad
BD9E303EFJ-LB(E2) Reference Circuits and Bomlist
Buck DC/DC Converter Recommended Inductor List
PCB Layout Techniques of Buck Converter
Heat Dissipation Effect of Thermal Via in Exposed Pad Type Package
Anti-Whisker formation
Two-Resistor Model for Thermal Simulation
Resistor Value Table to set Output Voltage of Buck Converter IC
PCB Layout Thermal Design Guide
Design Guide and Example of Stencil for Exposed Pad
Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
Types of Capacitors Used for Output Smoothing of Switching Regulators and their Precautions
Step-down DC-DC converter PCB layout EMC Design guide
Calculation of Power Dissipation in Switching Circuit
Evaluation Board User's Guide
Method for Determining Constants of Peripheral Parts of Buck DC/DC Converter
Impedance Characteristics of Bypass Capacitor
Calculation of Power Loss (Synchronous)
Capacitor Calculation for Buck converter IC
Diode Selection Method for Asynchronous Converter
Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
Power Supply Sequence Circuit with General Purpose Power Supply IC
Thermal Resistance
Five Steps for Successful Thermal Design of IC
Compliance with the ELV directive
Cutting-Edge Web Simulation Tool "ROHM Solution Simulator" Capable of Complete Circuit Verification of Power Devices and Driver ICs
θ<sub>JC</sub> and Ψ<sub>JT</sub>
Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
Method for Calculating Junction Temperature from Transient Thermal Resistance Data
How to Use the Two-Resistor Model
Efficiency of Buck Converter
Phase Compensation Design for Current Mode Buck Converter