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UA78M33QDCYRG4Q1 The Texas Instruments UA78M33QDCYRG4Q1 is an automotive-qualified linear voltage regulator offering a fixed 3.3V output at up to 500mA. It is supplied in a surface-mount SOT-223-4 package.
Mfr Part #:

UA78M33QDCYRG4Q1

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UA78M33QDCYRG4Q1 is an automotive-qualified linear voltage regulator offering a fixed 3.3V output at up to 500mA. It is supplied in a surface-mount SOT-223-4 package.
✓ Total Stock: 6,784 pcs
$ Price Range: $0.31

UA78M33QDCYRG4Q1 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.

UA78M33QDCYRG4Q1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Accuracy
Automotive Grade
Current
Lead Style
Mounting Type
Noise
Number of Regulators
Operating Temperature
Operating Temperature Range
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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UA78M33QDCYRG4Q1 Description

Short technical summary and product information.

The Texas Instruments UA78M33QDCYRG4Q1 is a fixed-voltage linear voltage regulator designed for a wide range of automotive applications. It provides a stable 3.3V output with a maximum current capability of 500mA.

 

Key electrical specifications include an input voltage range of 5.3V to 30V and a typical dropout voltage of 2V at 350mA. The regulator features built-in protection against over-current, over-temperature, and short circuits, enhancing its reliability in demanding environments. It operates over an extended temperature range of -40°C to 125°C.

 

This device is AEC-Q100 qualified for automotive applications, specifically Temperature Grade 1. It is housed in a compact SOT-223-4 surface-mount package, suitable for space-constrained designs. The regulator is stable without requiring external components, simplifying circuit design and reducing component count.

UA78M33QDCYRG4Q1 Quick Information

Product Type: Linear Voltage Regulator
Series: UA78M-Q1
Canonical Name: UA78M-Q1 Automotive, 500mA, Positive-Voltage Linear Regulator
Subcategory: Voltage Regulators

UA78M33QDCYRG4Q1 Compliance

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

UA78M33QDCYRG4Q1 Estimated Pricing

Qty Low High
1+ $0.31 $0.31

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

UA78M33QDCYRG4Q1 Features

  • Automotive qualified linear voltage regulator.
  • Fixed 3.3V output voltage.
  • Maximum output current of 500mA.
  • Wide 5.3V to 30V input voltage range.
  • SOT-223-4 surface-mount package.

UA78M33QDCYRG4Q1 Applications

  • Used in automotive power management systems.
  • Suitable for engine control modules.
  • Ideal for infotainment system power.
  • Applicable in advanced driver-assistance systems.

UA78M33QDCYRG4Q1 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the UA78M33QDCYRG4Q1?

The UA78M33QDCYRG4Q1 has a fixed output voltage of 3.3V.

What is the maximum output current of this regulator?

The maximum output current is 500mA.

What is the input voltage range for the UA78M33QDCYRG4Q1?

The input voltage range is from 5.3V to 30V.

What package is the UA78M33QDCYRG4Q1 available in?

It is available in a surface-mount SOT-223-4 package.

What is the operating temperature range of this device?

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

What protection features does the UA78M33QDCYRG4Q1 include?

It includes over-current, over-temperature, and short-circuit protection.

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