Texas Instruments LM317KCSE3 Microcontrollers
Adjustable LDO Regulator, 1.5A, 40V, TO-220
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM317KCSE3
Detailed Description
Adjustable LDO Regulator, 1.5A, 40V, TO-220
Package
TO-220-3
Lifecycle Status
Active
Datasheet
LM317KCSE3 Datasheet
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Technical Specifications
Texas Instruments LM317KCSE3 Microcontrollers technical specifications.
General
Series
LM317
RoHS
Yes
Package / Case
TO-220-3
Mounting Type
Through Hole
Operating Temperature
0°C ~ 125°C
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
40V
Output Current
1.5A
Output Configuration
Positive
Alternate Parts Comparison (LM317KCSE3 vs LM7905CT/NOPB vs LM1117T-ADJ/NOPB vs UA7815CKCS)
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-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C |
| Max Input Voltage | 40V | -25V | 15V | 30V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Negative | Positive | Positive |
| Output Current | 1.5A | 1.5A | 800mA | 1.5A |
| Output Type | Adjustable | Fixed | Adjustable | Fixed |
| Output Voltage | 1.25V | -5V | 1.25V | 15V |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Current, Over Temperature | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| PSRR | 80dB ~ 65dB (120Hz) | 66dB (120Hz) | 75dB (120Hz) | 78dB (120Hz) |
| Voltage Dropout | -- | 1.1V @ 1A | 1.2V @ 800mA | 2V @ 1A |
| 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 .
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