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TPS54427DDAR The Texas Instruments TPS54427DDAR is a 4A synchronous step-down DC DC switching regulator. It features an adjustable output voltage and operates with an input voltage range of 4.5V to 18V.
Mfr Part #:

TPS54427DDAR

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS54427DDAR is a 4A synchronous step-down DC DC switching regulator. It features an adjustable output voltage and operates with an input voltage range of 4.5V to 18V.
✓ Total Stock: 40,685 pcs
$ Price Range: $0.57

TPS54427DDAR Available from 5 distributors

✓ Authorised
✓ Non-Authorised
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.

TPS54427DDAR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle
Features
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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TPS54427DDAR Description

Short technical summary and product information.

The Texas Instruments TPS54427DDAR is a synchronous buck converter designed for efficient power management. This device operates with an input voltage range from 4.5V to 18V and can deliver an output current of up to 4A. The output voltage is adjustable, ranging from 0.76V to 7.0V.

 

Key electrical characteristics include a switching frequency of 650kHz and a typical quiescent current of 0.00095A. The integrated FETs have a low on-resistance, with the high-side at 70mΩ and the low-side at 53mΩ, contributing to high efficiency. The converter supports features like Enable and Soft Start, and utilizes a current mode control.

 

Packaged in an 8-SO PowerPad (8-PowerSOIC) surface-mount configuration, the TPS54427DDAR is suitable for various applications requiring compact and efficient power solutions. It operates within an ambient temperature range of -40°C to 85°C.

TPS54427DDAR Quick Information

Product Type: DC DC Switching Regulator
Series: TPS54427
Canonical Name: TPS54427DDAR Synchronous Step-Down Converter
Subcategory: Voltage Regulators

TPS54427DDAR Compliance

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

TPS54427DDAR Estimated Pricing

Qty Low High
1+ $0.57 $0.57

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

TPS54427DDAR Features

  • Synchronous step-down DC DC converter.
  • 4A maximum output current capability.
  • Adjustable output voltage from 0.76V to 7V.
  • Wide input voltage range of 4.5V to 18V.
  • 650kHz switching frequency for efficient operation.

TPS54427DDAR Applications

  • Power management for various electronic devices.
  • Efficient voltage regulation in compact designs.
  • Suitable for systems with wide input voltage.
  • Applications requiring adjustable output voltage.

TPS54427DDAR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the TPS54427DDAR?

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

What is the maximum output current of the TPS54427DDAR?

The maximum output current is 4A.

What is the input voltage range for this DC DC switching regulator?

The input voltage range is 4.5V to 18V.

What is the output voltage range of the TPS54427DDAR?

The output voltage is adjustable from 0.76V to 7V.

What is the switching frequency of the TPS54427DDAR?

The switching frequency is 650kHz.

What type of package is the TPS54427DDAR in?

It is in an 8-SO PowerPad package.

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