Overview
The UA78M33IKVURG3 is a positive voltage regulator IC produced by Texas Instruments. It provides a fixed 3.3V output voltage and is designed to regulate input voltages, maintaining a stable output voltage for electronic circuits that require a consistent voltage supply. This regulator is suitable for a wide range of applications due to its robust features and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current (Iout) | Up to 500 | mA |
| Input Voltage Range (Vin) | 5.3 to 35 | V |
| Quiescent Current (Iq) | 4.5 | mA |
| Dropout Voltage (Vdo) | 2.0 | V |
| Ripple Rejection at 100 KHz | 40 | dB |
| Operating Temperature Range | -40 to 125 | °C |
| Package/Case | TO-252-3 | |
| Thermal Resistance θJA | 23 | °C/W |
Key Features
- Fixed 3.3V output voltage
- Input voltage range: 5.3V to 35V
- Output current up to 500mA
- Internal current-limiting and thermal shutdown mechanisms
- No external components required for stable operation
- High ripple rejection: 40 dB at 100 KHz
- Operating temperature range: -40°C to 125°C
Applications
- On-board charging systems
- Washers and dryers
- Residential lighting
- Battery backup units (BBU)
- Air conditioner outdoor units
Q & A
- Q: What is the output voltage of the UA78M33IKVURG3?
A: The output voltage is fixed at 3.3V. - Q: What is the maximum output current of the UA78M33IKVURG3?
A: The maximum output current is up to 500mA. - Q: What is the input voltage range for the UA78M33IKVURG3?
A: The input voltage range is from 5.3V to 35V. - Q: Does the UA78M33IKVURG3 require external components for operation?
A: No, it does not require external components for stable operation. - Q: What are the thermal protection features of the UA78M33IKVURG3?
A: It includes internal current-limiting and thermal shutdown mechanisms. - Q: What is the operating temperature range of the UA78M33IKVURG3?
A: The operating temperature range is -40°C to 125°C. - Q: What is the ripple rejection of the UA78M33IKVURG3 at 100 KHz?
A: The ripple rejection is 40 dB at 100 KHz. - Q: What package type is the UA78M33IKVURG3 available in?
A: It is available in the TO-252-3 package. - Q: Is the UA78M33IKVURG3 suitable for regulating higher input voltages?
A: Yes, it can regulate input voltages up to 35V. - Q: What is the quiescent current of the UA78M33IKVURG3?
A: The quiescent current is typically 4.5mA.
