Texas Instruments UA78M33QDCYRG4Q1 3.3V 500mA Linear Voltage Regulator
Texas Instruments UA78M33QDCYRG4Q1 fixed 3.3V linear voltage regulator, 500mA output, 5.3V to 25V input, SOT-223-4 surface-mount package.
The Texas Instruments UA78M33QDCYRG4Q1 is a fixed 3.3V linear voltage regulator capable of delivering up to 500mA output current.
Designed for on-card regulation, it helps reduce the noise and distribution issues commonly associated with single-point regulation systems. It is suitable for powering a variety of circuits and components that require a stable 3.3V supply.
Key Features
- Fixed 3.3V nominal output voltage
- Wide input voltage range from 5.3V to 25V
- Maximum output current of up to 500mA
- Internal thermal-overload protection
- Internal short-circuit current limiting
- Output transistor safe-area compensation
- High power-dissipation capability
- Supplied in a compact 4-pin SOT-223-4 surface-mount package
- Operating temperature range from -40°C to 125°C
- Manufactured without antimony or bromine (no Sb/Br)
- Weight: 0.368 g
Protection and Reliability
The regulator includes internal current limiting and thermal-shutdown mechanisms, which help make it resistant to overload conditions. Its internal short-circuit current limiting and output transistor safe-area compensation provide further safeguarding for both the regulator and the connected load.
Flexible Applications
While its primary function is as a fixed 3.3V regulator, it can also be used with external components to create adjustable output voltages and currents. It also serves as the power-pass element in precision regulator designs, offering designers additional flexibility.
Choose the Texas Instruments UA78M33QDCYRG4Q1 when you need a compact, fixed 3.3V linear regulator with built-in protection for on-card power applications.
- On-card voltage regulation
- Powering circuits and components requiring a 3.3V supply
- Adjustable output voltage and current designs using external components
- Power-pass element in precision regulator designs
- Output Voltage: 3.3V (fixed nominal)
- Maximum Output Current: 500mA
- Input Voltage Range: 5.3V to 25V
- Operating Temperature Range: -40°C to 125°C
- Package: 4-pin SOT-223-4 surface mount
- Width: 3.3
- Depth: 1.5
- Height: 4.3
- Weight: 0.368 g
- Special Feature: Internal thermal-overload protection
- Special Feature: Internal short-circuit current limiting
- Special Feature: Output transistor safe-area compensation
- Environmental Compliance: Manufactured without antimony or bromine (no Sb/Br)
Always follow local regulations and product guidance.
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