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1. Description
The LM3480 is an integrated linear voltage regulator. It features operation from an input as high as 30 V and an ensured maximum dropout of 1.2 V at the full 100-mA load. Standard packaging for the LM3480 is the 3-lead SOT-23 package. The 5-V, 12-V, and 15-V members of the LM3480 series are intended as tiny alternatives to industry standard LM78Lxx series and similar devices. The 1.2-V quasi-low dropout of LM3480 series devices makes them a nice fit in many applications where the 2-V to 2.5-V dropout of LM78Lxx series devices precludes their (LM78Lxx series devices) use. The LM3480 series also features a 3.3-V member The SOT-23 packaging and quasi-low dropout features of the LM3480 series converge in this device to provide a very nice, very tiny, 3.3-V, 100-mA bias supply that regulates directly off the system 5-V ±5% power supply.
2. Features
1. Input Voltage Range: up to 30 V
2. 3.3-V, 5-V, 12-V, and 15-V Versions Available
3. Packaged in the Tiny 3-Lead SOT-23 Package
4. 30-V Maximum Input for Operation
5. 1.2-V Ensured Maximum Dropout Over Full Load and Temperature Ranges
6. 100-mA Ensured Minimum Load Current
7. ±5% Ensured Output Voltage Tolerance Over Full Load and Temperature Ranges
8. −40 to +125°C Junction Temperature Range for Operation
3. Applications
1. Tiny Alternative to LM78Lxx Series and Similar Devices
2. Tiny 5-V ±5% to 3.3-V, 100-mA Converter
3. Post Regulator for Switching DC/DC Converter
4. Bias Supply for Analog Circuits
4. Pin configuration
5. Pin Functions
6. PACKAGE OUTLINE
