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ROHM BD18GA3VEFJ-ME2

BD9E303UEFJ-LBE2

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Rohm Semiconductor

7.0V TO 36V INPUT, 3.0A INTEGRATED MOSFET SINGLE SYNCHRONOUS BUCK DC/DC CONVERTER

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ROHM BD18GA3VEFJ-ME2

BD9E303UEFJ-LBE2

Active
Rohm Semiconductor

7.0V TO 36V INPUT, 3.0A INTEGRATED MOSFET SINGLE SYNCHRONOUS BUCK DC/DC CONVERTER

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Description

General part information

BD9E303UEFJ-LB(E2) Series

This is the product guarantees long time support in Industrial market. BD9E303UEFJ-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.BD9E303UEFJ-LB is also available as a small reel product with 250 packages.→BD9E303UEFJ-LBH2This IC uses different production line against series model BD9E303EFJ-LB for the purpose of improving production efficiency. We recommend using this IC for your new development. Electric characteristics noted in Datasheet does not differ between Production Line. In addition, the data of BD9E303EFJ-LB is disclosed for documents and design models unless otherwise specified.

Technical Specifications

Parameters and characteristics for this part

SpecificationBD9E303UEFJ-LBE2
Current - Output3 A
Frequency - Switching300 kHz
FunctionStep-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)150 °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
Diode Selection Method for Asynchronous Converter
Phase Compensation Design for Current Mode Buck Converter
HTSOP-J8 Package Information
Capacitor Calculation for Buck converter IC
Bootstrap Circuit in the Buck Converter
Five Steps for Successful Thermal Design of IC
Inductor Calculation for Buck converter IC
The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
Three Steps for Successful Design of DC-DC Converters
Factory Information
Resistor Value Table to set Output Voltage of Buck Converter IC
Calculation of Power Dissipation in Switching Circuit
Power Supply Sequence Circuit with General Purpose Power Supply IC
Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
Calculation of Power Loss (Synchronous)
Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
Solder Joint Rate and Thermal Resistance of Exposed Pad
Precautions for PCB Layout Regarding Common Mode Filters
Cutting-Edge Web Simulation Tool "ROHM Solution Simulator" Capable of Complete Circuit Verification of Power Devices and Driver ICs
Considerations for Power Inductors Used for Buck Converters
What Is Thermal Design
Basics of Thermal Resistance and Heat Dissipation
Precautions When Measuring the Rear of the Package with a Thermocouple
Design Guide and Example of Stencil for Exposed Pad
PCB Layout Thermal Design Guide
Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
PCB Layout Techniques of Buck Converter
Snubber Circuit for Buck Converter IC
Impedance Characteristics of Bypass Capacitor
Method for Determining Constants of Peripheral Parts of Buck DC/DC Converter
How to Use the Two-Resistor Model
θ<sub>JC</sub> and Ψ<sub>JT</sub>
Judgment Criteria of Thermal Evaluation
Evaluation Board User's Guide
Step-down DC-DC converter PCB layout EMC Design guide
PCB Layout Essential Check sheet for Switching Regulator
Two-Resistor Model for Thermal Simulation
Overview of ROHM's Simulation Models(for ICs and Discrete Semiconductors)
How to Use the Thermal Resistance and Thermal Characteristics Parameters
θ<sub>JA</sub> and Ψ<sub>JT</sub>
Method for Calculating Junction Temperature from Transient Thermal Resistance Data
Types of Capacitors Used for Output Smoothing of Switching Regulators and their Precautions
Efficiency of Buck Converter
Heat Dissipation Effect of Thermal Via in Exposed Pad Type Package
Thermal Resistance
Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter