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TPS79433DCQR The Texas Instruments TPS79433DCQR is a 250mA low-dropout linear voltage regulator with a fixed 3.3V output. It is designed for noise-sensitive applications.
Mfr Part #:

TPS79433DCQR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS79433DCQR is a 250mA low-dropout linear voltage regulator with a fixed 3.3V output. It is designed for noise-sensitive applications.
✓ Total Stock: 9,319 pcs
$ Price Range: $0.28

TPS79433DCQR Available from 4 distributors

✓ 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
6,888 pcs
On Request
6888 pcs On Request 1 On Request On Request 12+ On Request On Request
Price Electronics ✓
Non-Authorised Inventory information
1,989 pcs
On Request
1989 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
232 pcs
On Request
232 pcs On Request 1 On Request On Request 12+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
210 pcs
On Request
210 pcs On Request 1 On Request On Request On Request 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.

TPS79433DCQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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TPS79433DCQR Description

Short technical summary and product information.

The Texas Instruments TPS79433DCQR is a 250mA low-dropout (LDO) linear voltage regulator featuring ultralow noise and high power-supply rejection ratio (PSRR). It provides a stable 3.3V fixed output voltage and is designed for applications requiring excellent line and load transient responses.

 

Key electrical characteristics include a low dropout voltage of 155mV at full load and a typical quiescent current of 170µA. The device offers high PSRR, with values up to 60dB at 10kHz, making it suitable for noise-sensitive RF applications. It also features fast start-up times of approximately 50µs.

 

Protection features include over current, over temperature, reverse polarity, and under voltage lockout (UVLO). The TPS79433DCQR is available in a compact SOT-223-6 package, suitable for surface mount applications. Its ultralow noise and high PSRR make it ideal for portable RF electronics, wireless LAN, and audio components.

 

This regulator family is stable with a small 2.2µF ceramic capacitor on the output. The device also includes an enable pin for control.

TPS79433DCQR Quick Information

Product Type: Linear Voltage Regulator
Series: TPS794xx
Canonical Name: TPS79433DCQR Low-Dropout Linear Voltage Regulator
Subcategory: Low-Dropout (LDO)

TPS79433DCQR Compliance

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

TPS79433DCQR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

TPS79433DCQR Features

  • 250mA ultralow noise linear regulator.
  • Fixed 3.3V output voltage.
  • High PSRR of 60dB at 10kHz.
  • Fast start-up time of 50µs.
  • SOT-223-6 surface mount package.

TPS79433DCQR Applications

  • Ideal for RF applications.
  • Suitable for wireless systems.
  • Used in noise-sensitive circuits.
  • Powers portable electronics.

TPS79433DCQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the TPS79433DCQR?

The TPS79433DCQR provides a fixed 3.3V output voltage.

What is the maximum output current for the TPS79433DCQR?

The TPS79433DCQR can supply a maximum output current of 250mA.

What is the dropout voltage of the TPS79433DCQR at 250mA?

The dropout voltage is a maximum of 0.2V at 250mA.

What is the operating temperature range for this regulator?

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

What package type is the TPS79433DCQR supplied in?

The TPS79433DCQR is supplied in a SOT-223-6 package.

Does the TPS79433DCQR have an enable feature?

Yes, the TPS79433DCQR features an enable control.

What are the protection features of the TPS79433DCQR?

Protection features include Over Current, Over Temperature, Reverse Polarity, and Under Voltage Lockout (UVLO).

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