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BD9781HFP-TR The ROHM Semiconductor BD9781HFP-TR is a 4A adjustable step-down buck switching regulator. It operates with a 7V input voltage and a frequency range of 50kHz to 500kHz.
Mfr Part #:

BD9781HFP-TR

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
The ROHM Semiconductor BD9781HFP-TR is a 4A adjustable step-down buck switching regulator. It operates with a 7V input voltage and a frequency range of 50kHz to 500kHz.
✓ Total Stock: 986 pcs
$ Price Range: $0.16

BD9781HFP-TR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
986 pcs
On Request
986 pcs On Request 1 On Request On Request 16+ On Request On Request
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BD9781HFP-TR 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
Synchronous Rectifier
Topology
Voltage
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BD9781HFP-TR Description

Short technical summary and product information.

The BD9781HFP-TR from ROHM Semiconductor is a DC-DC switching regulator designed for step-down (buck) applications. This adjustable output regulator can handle a current of 4A and operates with an input voltage of 7V. Its switching frequency can be set anywhere between 50kHz and 500kHz, offering flexibility in design.

 

The device is housed in a HRP7 package, suitable for surface mount applications. It features a single positive output configuration and is not a synchronous rectifier. The operating temperature range is from -40°C to 125°C (TA).

 

This component is classified under Voltage Regulators - DC DC Switching Regulators and is part of the Power Management IC category. Its adjustable output and current handling capabilities make it suitable for various power supply designs requiring efficient voltage conversion.

BD9781HFP-TR Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: BD9781HFP-TR Buck Switching Regulator
Subcategory: Buck Converter

BD9781HFP-TR Compliance

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

BD9781HFP-TR Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

BD9781HFP-TR Features

  • 4A adjustable step-down buck regulator
  • 7V input voltage capability
  • 50kHz to 500kHz adjustable frequency
  • HRP7 surface mount package
  • Wide operating temperature range

BD9781HFP-TR Applications

  • Power supply design
  • Voltage regulation circuits
  • Embedded systems
  • Industrial applications

BD9781HFP-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the BD9781HFP-TR?

The BD9781HFP-TR is housed in a surface-mount HRP-7 (7 leads + tab) package.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C (TA).

What is the maximum output current?

The device can deliver up to 4A.

What is the switching frequency range?

The switching frequency can be set between 50kHz and 500kHz.

What topology does the BD9781HFP-TR use?

It uses a step-down (buck) topology.

Is the output voltage adjustable?

Yes, the output voltage is adjustable.

How many outputs does the regulator have?

It has a single output.

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