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BD9E303EFJ-LBE2 The ROHM Semiconductor BD9E303EFJ-LBE2 is an integrated circuit designed for step-down voltage regulation. It operates as a buck converter with an adjustable output and a maximum current of 3A.
Mfr Part #:

BD9E303EFJ-LBE2

Available from 2 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
The ROHM Semiconductor BD9E303EFJ-LBE2 is an integrated circuit designed for step-down voltage regulation. It operates as a buck converter with an adjustable output and a maximum current of 3A.
✓ Total Stock: 6,313 pcs
$ Price Range: $0.16

BD9E303EFJ-LBE2 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Smaxon Electronics ✓
Non-Authorised Inventory information
2,313 pcs
On Request
2313 pcs On Request 1 On Request On Request 1610+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BD9E303EFJ-LBE2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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BD9E303EFJ-LBE2 Description

Short technical summary and product information.

The BD9E303EFJ-LBE2 from ROHM Semiconductor is a high-performance DC-DC switching regulator. This component functions as a step-down (buck) converter, capable of delivering up to 3A of current. It features an adjustable output voltage, making it versatile for various power supply designs.

 

Key electrical characteristics include a 7V input voltage capability and an operating frequency of 300kHz. The device is designed for efficiency and reliability in demanding applications. Its operating temperature range is from -40°C to 85°C.

 

The BD9E303EFJ-LBE2 is housed in an 8-HTSOP-J package, which is a surface-mount type. The package is an 8-SOIC with an exposed pad, measuring 0.154 inches (3.90mm) in width, designed for effective heat dissipation. This mounting type is suitable for automated assembly processes.

 

This switching regulator is suitable for a wide range of electronic applications requiring efficient voltage conversion. Its adjustable output and robust current handling make it a flexible choice for power management solutions.

BD9E303EFJ-LBE2 Quick Information

Product Type: Switching Regulator
Canonical Name: BD9E303EFJ-LBE2 Buck Switching Regulator
Subcategory: Buck Converter

BD9E303EFJ-LBE2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BD9E303EFJ-LBE2 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

Estimated market price range - modelled values for guidance only, not live distributor offers.

BD9E303EFJ-LBE2 Features

  • 3A adjustable buck switching regulator.
  • Operates at 300kHz switching frequency.
  • Wide -40°C to 85°C operating temperature.
  • Surface mount 8-HTSOP-J package.
  • Synchronous rectifier for efficiency.

BD9E303EFJ-LBE2 Applications

  • Efficient DC-DC voltage conversion.
  • Adjustable output power supplies.
  • Power management in electronic devices.
  • Suitable for industrial applications.

BD9E303EFJ-LBE2 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the maximum current output for the BD9E303EFJ-LBE2?

The BD9E303EFJ-LBE2 can output a maximum current of 3A.

What type of package is the BD9E303EFJ-LBE2 in?

The BD9E303EFJ-LBE2 is supplied in an 8-HTSOP-J package, which is a surface-mount type.

What is the operating temperature range for this regulator?

The operating temperature range for the BD9E303EFJ-LBE2 is -40°C to 85°C.

Is the BD9E303EFJ-LBE2 RoHS compliant?

The RoHS status is listed as RoHS3 Compliant.

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