Key facts
- Model
- LM108
- Category
- Other Electronics
- Documents
- 8
- Languages
- EN
- Last added
- 2012-07-05
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National Semiconductor LM1085 3A Low Dropout Positive Regulators Datasheet
The LM1085 is a series of low dropout positive voltage regulators available in adjustable and fixed voltage versions (3.3V, 5.0V, and 12.0V). It features a maximum dropout of 1.5V at 3A of load current and shares the same pin-out as the industry standard LM317. The device includes a zener trimmed bandgap reference, current limiting, and thermal shutdown protection.
Read onlineNational Semiconductor LM108 specifications
| Output Current | 3A |
|---|---|
| Line Regulation | 0.015% (typical) |
| Load Regulation | 0.1% (typical) |
| Maximum Dropout Voltage | 1.5V |
| Junction Temperature | 150˚C |
| Operating Temperature Range | -40˚C to +125˚C |
| Available Voltages | 3.3V, 5.0V, 12V, Adjustable |
| Packages | TO-220, TO-263 |
Source: National Semiconductor LM1085 3A Low Dropout Positive Regulators Datasheet
All National Semiconductor LM108 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- National Semiconductor LM1085 3A Low Dropout Positive Regulators Datasheet 13 p
- National Semiconductor LM1084 5A Low Dropout Positive Regulator Datasheet 13 p
- National Semiconductor LM108/LM208/LM308 Operational Amplifiers Datasheet 10 p
- National Semiconductor LM108A/LM208A/LM308A Operational Amplifiers Datasheet 8 p
- National Semiconductor LM1086 Low Dropout Positive Regulator Datasheet 15 p
- National Semiconductor LM1084 5A Low Dropout Positive Regulator Handbook 13 p
- National Semiconductor LM1084 5A Low Dropout Positive Regulator Handbook 13 p
- National Semiconductor LM1085 3A Low Dropout Positive Regulator Datasheet 14 p
Questions answered in these manuals
What is the maximum output current of the LM1085?
The maximum output current is 3A.
From: National Semiconductor LM1085 3A Low Dropout Positive Regulators Datasheet
What are the available fixed output voltages?
The device is available in fixed voltages of 3.3V, 5.0V, and 12.0V.
From: National Semiconductor LM1085 3A Low Dropout Positive Regulators Datasheet
What are the available output voltage options for the LM1084?
The LM1084 is available in adjustable versions and three fixed voltages: 3.3V, 5.0V, and 12.0V.
From: National Semiconductor LM1084 5A Low Dropout Positive Regulator Datasheet
Does the LM1084 include protection features?
Yes, the circuit includes current limiting and thermal shutdown protection.
From: National Semiconductor LM1084 5A Low Dropout Positive Regulator Datasheet
What is the maximum input bias current of the LM108 series?
The maximum input bias current is 3.0 nA over temperature.
From: National Semiconductor LM108/LM208/LM308 Operational Amplifiers Datasheet
Can the LM108 series use unregulated power supplies?
Yes, the devices have sufficient supply rejection to use unregulated supplies.
From: National Semiconductor LM108/LM208/LM308 Operational Amplifiers Datasheet