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TPS79428DCQR The Texas Instruments TPS79428DCQR is a 2.8V, 250mA linear voltage regulator in a SOT-223-6 package. It offers ultralow noise and high PSRR for sensitive applications.
Mfr Part #:

TPS79428DCQR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS79428DCQR is a 2.8V, 250mA linear voltage regulator in a SOT-223-6 package. It offers ultralow noise and high PSRR for sensitive applications.
✓ Total Stock: 96 pcs
$ Price Range: $0.28

TPS79428DCQR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
96 pcs
On Request
96 pcs On Request 1 On Request On Request 16+PB 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.

TPS79428DCQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Voltage
Voltage Dropout (Max)
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TPS79428DCQR Description

Short technical summary and product information.

The Texas Instruments TPS79428DCQR is a 250mA low-dropout linear voltage regulator designed for applications requiring ultralow noise and high power-supply rejection ratio (PSRR).

 

This device features a fixed 2.8V output voltage and can accept a maximum input voltage of 5.5V. It provides a stable output with a maximum dropout voltage of 0.21V at 250mA. The regulator operates with a quiescent current of 220µA and includes protection features such as over current, over temperature, reverse polarity, and under voltage lockout.

 

Packaged in a SOT-223-6 surface-mount configuration, the TPS79428DCQR is suitable for space-constrained designs. Its high PSRR (65dB ~ 40dB from 100Hz to 100kHz) and low noise characteristics make it ideal for noise-sensitive analog and RF applications, including wireless communication devices and audio circuits.

 

The device operates across a temperature range of -40°C to 125°C. It is compatible with small ceramic capacitors on the output for stability.

TPS79428DCQR Quick Information

Product Type: Linear Voltage Regulator
Series: TPS794
Canonical Name: Texas Instruments TPS79428DCQR Linear Voltage Regulator
Subcategory: Linear Voltage Regulator

TPS79428DCQR Compliance

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

TPS79428DCQR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

TPS79428DCQR Features

  • Fixed 2.8V output voltage.
  • 250mA maximum output current.
  • Low dropout voltage of 0.21V.
  • High PSRR up to 65dB.
  • SOT-223-6 surface mount package.

TPS79428DCQR Applications

  • Ideal for RF applications.
  • Suitable for sensitive analog circuits.
  • Used in wireless communication devices.
  • Powering audio components.

TPS79428DCQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the TPS79428DCQR?

The TPS79428DCQR has a fixed output voltage of 2.8V.

What is the maximum output current?

The maximum output current is 250mA.

What is the dropout voltage of this regulator?

The maximum dropout voltage is 0.21V at a 250mA load.

What is the operating temperature range?

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

What package does the TPS79428DCQR come in?

It comes in a surface-mount SOT-223-6 package.

What protection features does this LDO include?

It includes over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO) protection.

Does the TPS79428DCQR have an enable pin?

Yes, it includes an enable control feature.

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