Overview
The UA78M33CKVURG3 is a fixed-voltage linear voltage regulator produced by Texas Instruments. This regulator is part of the μA78M series, designed for a wide range of applications requiring stable and reliable voltage regulation. The UA78M33CKVURG3 is specifically configured to provide an output voltage of 3.3V with a maximum output current of 500mA. It is known for its simplicity, requiring no external components for operation, although external components can be used to adjust the voltage and current if needed. The regulator features internal current limiting and thermal shutdown, making it robust against overload conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range (VIN) | 5.3V to 35V | V |
| Output Voltage (VOUT) | 3.3V | V |
| Output Current (IOUT) | Up to 500mA | mA |
| Quiescent Current (IQ) | 4.5mA | mA |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | TO-252 | |
| Pin Count | 3 | |
| Dimensions | 6.17 x 6.27 x 2.03mm | mm |
| Mounting Type | Surface Mount | |
| Polarity | Positive |
Key Features
- Fixed output voltage of 3.3V with a maximum output current of 500mA.
- Input voltage range from 5.3V to 35V.
- Internal current limiting and thermal shutdown for overload protection.
- No external components required for operation, though adjustable with external devices if needed.
- Stable operation without any external components.
- High power dissipation capability.
- Operating temperature range from –40°C to +125°C.
Applications
- On-board charging systems.
- Washers and dryers.
- Residential lighting systems.
- Battery backup units (BBU).
- Air conditioner outdoor units.
- Telecommunications equipment.
- Computing devices.
- Portable electronic devices.
- Local on-card regulation in various electronic systems.
Q & A
- What is the output voltage of the UA78M33CKVURG3 regulator?
The output voltage of the UA78M33CKVURG3 regulator is 3.3V.
- What is the maximum output current of the UA78M33CKVURG3 regulator?
The maximum output current of the UA78M33CKVURG3 regulator is 500mA.
- What is the input voltage range for the UA78M33CKVURG3 regulator?
The input voltage range for the UA78M33CKVURG3 regulator is from 5.3V to 35V.
- Does the UA78M33CKVURG3 require external components for operation?
No, the UA78M33CKVURG3 does not require external components for operation, although external components can be used to adjust the voltage and current if needed.
- What are the key protection features of the UA78M33CKVURG3 regulator?
The UA78M33CKVURG3 regulator features internal current limiting and thermal shutdown for overload protection.
- What is the operating temperature range of the UA78M33CKVURG3 regulator?
The operating temperature range of the UA78M33CKVURG3 regulator is from –40°C to +125°C.
- What package type is the UA78M33CKVURG3 regulator available in?
The UA78M33CKVURG3 regulator is available in the TO-252 package type.
- What are some common applications of the UA78M33CKVURG3 regulator?
The UA78M33CKVURG3 regulator is commonly used in on-board charging systems, residential lighting, battery backup units, air conditioner outdoor units, telecommunications equipment, computing devices, and portable electronic devices.
- What is the quiescent current of the UA78M33CKVURG3 regulator?
The quiescent current of the UA78M33CKVURG3 regulator is 4.5mA.
- Is the UA78M33CKVURG3 regulator suitable for high power dissipation applications?
