Texas Instruments LM317AEMP Linear Controllers
IC REG LIN POS ADJ 1.5A SOT223-4
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM317AEMP
Detailed Description
IC REG LIN POS ADJ 1.5A SOT223-4
Package
TO-261-4, TO-261AA
Key Features
Package / Case: TO-261-4, TO-261AA; Mounting Type: Surface Mount
Lifecycle Status
Not For New Designs
RoHS State
RoHS Compliant
Datasheet
LM317AEMP Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM317AEMP Linear Controllers technical specifications.
General
RoHS
Yes
Package / Case
TO-261-4, TO-261AA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Not For New Designs
Output Type
Adjustable
Max Input Voltage
40V
Output Current
1.5A
Quiescent Current
10 mA
Output Configuration
Positive
Alternate Parts Comparison (LM317AEMP vs LM3940IMPX-3.3 vs LM1117IMP-3.3/NOPB vs LM2936QMP-3.3/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C (TJ) |
| Lifecycle Status | Not For New Designs | Not For New Designs | Active | Active |
| Max Input Voltage | 40V | 7.5V | 15V | 40V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1.5A | 1A | 800mA | 50mA |
| Output Type | Adjustable | Fixed | Fixed | Fixed |
| Output Voltage | 1.25V | 3.3V | 3.3V | 3.3V |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Current, Over Temperature | Over Temperature, Reverse Polarity, Short Circuit |
| Quiescent Current | 10 mA | 15 mA | 5 mA | 15 µA |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
LM317BD2TR4GonsemiSimilaronsemi
Pin YesPkg NoElec Yes
Adj.
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