Texas Instruments LM317LCD Linear Controllers
100-mA, 35-V, adjustable linear voltage regulator
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM317LCD
Detailed Description
100-mA, 35-V, adjustable linear voltage regulator
Package
8-SOIC (0.154, 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154, 3.90mm Width)
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM317LCD Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM317LCD Linear Controllers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Operating Temperature
0°C ~ 125°C
Lifecycle Status
Active
PSRR
80dB ~ 65dB (120Hz)
Output Type
Adjustable
Quiescent Current
2.5 mA
Output Current
100mA
Output Configuration
Positive
Voltage Output Max
32V
Alternate Parts Comparison (LM317LCD vs LM2936HVBMAX3.3/S7002470 vs LM79L15ACMX/NOPB vs LM79L12ACM/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 | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Operating Temperature | 0°C ~ 125°C | -40°C ~ 125°C (TJ) | 0°C ~ 70°C | 0°C ~ 70°C |
| Lifecycle Status | Active | Active | Active | Active |
| Max Input Voltage | 38V | 60V | -35V | -35V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Negative | Negative |
| Output Current | 100mA | 50mA | 100mA | 100mA |
| Output Type | Adjustable | Fixed | Fixed | Fixed |
| Output Voltage | 1.2V | 3.3V | -15V | -12V |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage, Under Voltage Lockout (UVLO) | Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| PSRR | 80dB ~ 65dB (120Hz) | 60dB (120Hz) | 50dB (120Hz) | 52dB (120Hz) |
| Quiescent Current | 2.5 mA | 20 µA | 6 mA | 6 mA |
| 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
LM317LDR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Adj.
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