Overview
The LM3480IM3-12/NOPB is an integrated linear voltage regulator produced by Texas Instruments. It is part of the LM3480 series, which offers various output voltage options including 3.3 V, 5 V, 12 V, and 15 V. This specific model, LM3480IM3-12/NOPB, is configured to provide a regulated output voltage of 12 V. The device is packaged in a tiny 3-lead SOT-23 package, making it suitable for space-constrained applications. It features a quasi-low dropout voltage of 1.2 V at the full load of 100 mA, ensuring efficient voltage regulation even with high input voltages up to 30 V.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (IN to GND) | -0.3 | 35 | V | |
| Output Voltage (VOUT) | 11.52 | 12 | 12.48 | V |
| Maximum Output Current (IOUT) | 100 | mA | ||
| Dropout Voltage (VIN - VOUT) | 1.1 | 1.2 | V | |
| Line Regulation | 40 | 45 | mV | |
| Load Regulation | 60 | 75 | mV | |
| Junction Temperature (TJ) | -40 | 125 | °C | |
| Storage Temperature (Tstg) | -65 | 150 | °C | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 269.6 | °C/W |
Key Features
- Input voltage range up to 30 V
- Available in 3.3 V, 5 V, 12 V, and 15 V output voltage versions
- Quasi-low dropout voltage of 1.2 V at full load of 100 mA
- Packaged in a tiny 3-lead SOT-23 package
- Minimum input and output capacitance of 0.1 µF required for stability
- No specific ESR limitation for input and output capacitors
- Thermal shutdown and current limit protection
Applications
The LM3480IM3-12/NOPB is suitable for a variety of applications where a compact, efficient linear voltage regulator is required. These include:
- Portable electronics and battery-powered devices
- Embedded systems and IoT devices
- Automotive and industrial control systems
- Medical devices requiring stable voltage regulation
- Any application needing a small footprint voltage regulator with high input voltage tolerance
Q & A
- What is the maximum input voltage for the LM3480IM3-12/NOPB?
The maximum input voltage is 30 V.
- What is the output voltage of the LM3480IM3-12/NOPB?
The output voltage is 12 V.
- What is the maximum output current of the LM3480IM3-12/NOPB?
The maximum output current is 100 mA.
- What is the dropout voltage of the LM3480IM3-12/NOPB?
The dropout voltage is 1.2 V at full load.
- What type of package does the LM3480IM3-12/NOPB come in?
The device is packaged in a 3-lead SOT-23 package.
- What are the recommended input and output capacitances for the LM3480IM3-12/NOPB?
A minimum of 0.1 µF for both input and output capacitances is recommended.
- Does the LM3480IM3-12/NOPB have thermal protection?
- What is the junction temperature range for the LM3480IM3-12/NOPB?
The junction temperature range is -40°C to 125°C.
- What is the storage temperature range for the LM3480IM3-12/NOPB?
The storage temperature range is -65°C to 150°C.
- How should the layout be designed for optimal performance of the LM3480IM3-12/NOPB?
Components should be placed on the same side of the circuit board, close to the respective LDO pin connections, and a ground reference plane is recommended to minimize inductive parasitics and noise.
