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BD9328EFJ-E2 The ROHM Semiconductor BD9328EFJ-E2 is a 2A synchronous step-down switching regulator. It operates over a wide input voltage range and features an adjustable output.
Mfr Part #:

BD9328EFJ-E2

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
The ROHM Semiconductor BD9328EFJ-E2 is a 2A synchronous step-down switching regulator. It operates over a wide input voltage range and features an adjustable output.
✓ Total Stock: 2,098 pcs
$ Price Range: $0.16

BD9328EFJ-E2 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
2,098 pcs
On Request
2098 pcs On Request 1 On Request On Request 17+ On Request On Request
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BD9328EFJ-E2 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 Current
Output Type
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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BD9328EFJ-E2 Description

Short technical summary and product information.

The BD9328EFJ-E2 from ROHM Semiconductor is a highly efficient synchronous buck converter designed for step-down voltage regulation. This IC integrates two low-resistance N-Channel MOSFETs, enabling it to supply a continuous output current of up to 2A across a broad input voltage range of 4.2V to 18V.

 

Key electrical specifications include a fixed operating frequency of 380kHz, an adjustable output voltage starting from 0.9V, and low ON-resistance for both the high-side (0.15Ω typical) and low-side (0.13Ω typical) FETs. It also features low standby current (15µA typical) and protections such as Under Voltage Protection, Thermal Shutdown, and Over Current Protection.

 

Packaged in an 8-HTSOP-J surface mount package, the BD9328EFJ-E2 is suitable for applications requiring compact power solutions. Its design facilitates easy phase compensation due to current mode control, making it a versatile choice for distributed power systems and pre-regulation for linear regulators.

BD9328EFJ-E2 Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: BD9328EFJ-E2 Synchronous Buck Converter
Subcategory: Buck Converter

BD9328EFJ-E2 Compliance

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

BD9328EFJ-E2 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

BD9328EFJ-E2 Features

  • Synchronous buck converter with integrated FETs.
  • 2A continuous output current capability.
  • Wide 4.2V to 18V input voltage range.
  • Adjustable output voltage down to 0.9V.
  • Surface mount 8-HTSOP-J package.

BD9328EFJ-E2 Applications

  • Ideal for point-of-load regulation.
  • Used in consumer electronics power supplies.
  • Suitable for industrial control systems.
  • Applicable in battery-powered devices.
  • Used in networking equipment.

BD9328EFJ-E2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the BD9328EFJ-E2?

The input voltage range is 4.2V to 18V.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

What package does the BD9328EFJ-E2 come in?

It is available in an 8-HTSOP-J package (also described as 8-SOIC with exposed pad).

What is the maximum output current?

The maximum output current is 2A.

What is the switching frequency?

The typical switching frequency is 380kHz.

Is the BD9328EFJ-E2 a synchronous buck converter?

Yes, it features synchronous rectification.

What is the output voltage range?

The output voltage is adjustable from 0.9V to (VIN x 0.7)V.

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