Texas Instruments LM3940IMP-3.3/NOPB Microcontrollers
3.3V LDO Regulator, 1A, SOT-223, 4.5-7.5V In
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3940IMP-3.3/NOPB
Detailed Description
3.3V LDO Regulator, 1A, SOT-223, 4.5-7.5V In
Package
SOT-223-4
Lifecycle Status
Active
Datasheet
LM3940IMP-3.3/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3940IMP-3.3/NOPB Microcontrollers technical specifications.
General
RoHS
Yes
Output Options
Fixed
Maximum Continuous Drain Current a
1
Vin Max V
5.5
Vin Min V
4.5
Vout Max V
3.3
Vout Min V
3.3
Fixed Output Options V
3.3
Noise Vrms
150
Iq Typ Ma
0.11
Alternate Parts Comparison (LM3940IMP-3.3/NOPB vs LM3S1332-EQC50-A2T vs LM3S1435-EQC50-A2 vs LM3S2533-EQC50-A2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| RoHS | Yes | Yes | Yes | Yes |
| Package | SOT-223-4 | LQFP | LQFP | LQFP |
| Series | -- | Stellaris® ARM® Cortex®-M3S 1000 | Stellaris® ARM® Cortex®-M3S 1000 | Stellaris® ARM® Cortex®-M3S 2000 |
| Package / Case | -- | 100-LQFP | 100-LQFP | 100-LQFP |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | -- | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| Data Bus Width | -- | 32bit | 32bit | 32bit |
| Number of Pins | -- | 100 | 100 | 100 |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 16KB | 32KB | 64KB |
| 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
NCP1117IST33T3GonsemiSimilaronsemi
Pin NoPkg YesElec Mixed
Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223
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