Overview
The LM3480IM3X-3.3 is an integrated linear voltage regulator produced by Texas Instruments (though originally developed by National Semiconductor). This device is designed to operate with input voltages as high as 30 V and provides a regulated output voltage of 3.3 V. It is capable of delivering up to 100 mA of output current and features a maximum dropout voltage of 1.2 V at full load. The LM3480IM3X-3.3 is packaged in a compact 3-lead SOT-23 package, making it a versatile choice for various electronic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | -0.3 to 35 | V |
| Output Voltage | 3.3 | V |
| Output Current | 100 | mA |
| Maximum Dropout Voltage | 1.2 | V |
| Junction Temperature Range | -40 to 150 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| Package Type | SOT-23-3 |
Key Features
- Input voltage range up to 30 V
- Output voltage options: 3.3 V, 5 V, 12 V, and 15 V (though the LM3480IM3X-3.3 is specifically 3.3 V)
- Maximum dropout voltage of 1.2 V at full load of 100 mA
- Compact 3-lead SOT-23 package
- Minimum input and output capacitance of 0.1 µF for stability and transient performance
- No specific ESR limitation for capacitors, though high ESR can compromise transient performance
Applications
The LM3480IM3X-3.3 is suitable for a variety of applications where a low-dropout voltage regulator is required. These include:
- Portable electronics and battery-powered devices
- Industrial control systems
- Automotive systems
- Medical devices requiring stable voltage regulation
- General-purpose voltage regulation in embedded systems
Q & A
- What is the maximum input voltage for the LM3480IM3X-3.3?
The maximum input voltage is 35 V.
- What is the output voltage of the LM3480IM3X-3.3?
The output voltage is 3.3 V.
- What is the maximum output current of the LM3480IM3X-3.3?
The maximum output current is 100 mA.
- What is the maximum dropout voltage at full load?
The maximum dropout voltage at full load is 1.2 V.
- What is the recommended minimum capacitance for input and output stability?
The minimum capacitance for both input and output is 0.1 µF.
- What is the package type of the LM3480IM3X-3.3?
The package type is SOT-23-3.
- What are the operating temperature ranges for the LM3480IM3X-3.3?
The junction temperature range is -40°C to 150°C, and the storage temperature range is -65°C to 150°C.
- Is there any specific ESR limitation for the capacitors used with the LM3480IM3X-3.3?
There is no specific ESR limitation, but excessively high ESR can compromise transient performance.
- What are some common applications for the LM3480IM3X-3.3?
Common applications include portable electronics, industrial control systems, automotive systems, medical devices, and general-purpose voltage regulation in embedded systems.
- How does the LM3480IM3X-3.3 compare to other linear voltage regulators like the LM78Lxx series?
The LM3480IM3X-3.3 is a tiny alternative to the LM78Lxx series, offering similar functionality in a more compact package.
