Texas Instruments LM3940IMPX-3.3 Linear Controllers
IC REG LINEAR 3.3V 1A SOT223-4
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3940IMPX-3.3
Detailed Description
IC REG LINEAR 3.3V 1A 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
LM3940IMPX-3.3 Datasheet
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Technical Specifications
Texas Instruments LM3940IMPX-3.3 Linear Controllers technical specifications.
General
Series
LM3940
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
Fixed
Max Input Voltage
7.5V
Output Current
1A
Output Configuration
Positive
Related Parts Comparison (LM3940IMPX-3.3 vs LM317DCYRG3 vs LM317MQDCYRG4 vs LM1117IMP-3.3/NOPB)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| 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 | 0°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C |
| Lifecycle Status | Not For New Designs | Active | Active | Active |
| Max Input Voltage | 7.5V | 40V | 40V | 15V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1A | 1.5A | 500mA | 800mA |
| Output Type | Fixed | Adjustable | Adjustable | Fixed |
| Output Voltage | 3.3V | 1.25V | 1.25V | 3.3V |
| Protection Features | Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature |
| RoHS | Yes | Yes | Yes | -- |
| Action |
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