STMicroelectronics LM2931AD33R Microcontrollers
3.3V LDO Regulator, 100mA, 250mV Dropout, 37V In, SO Package

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2931AD33R
Detailed Description
3.3V LDO Regulator, 100mA, 250mV Dropout, 37V In, SO Package
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
LM2931AD33R Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics LM2931AD33R Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Output Type
Fixed
Max Input Voltage
26V
Output Current
100mA
Output Configuration
Positive
Output Voltage
3.3V
Number of Regulators
1
Voltage Dropout
0.6V @ 100mA
Alternate Parts Comparison (LM2931AD33R vs LM258DT vs LM317LD13TR vs STM8S001J3M3TR)
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 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 105°C | 0°C ~ 125°C | -40°C ~ 125°C (TA) |
| Max Input Voltage | 26V | -- | 40V | -- |
| Number of Regulators | 1 | -- | 1 | -- |
| Output Configuration | Positive | -- | Positive | -- |
| Output Current | 100mA | -- | 100mA | -- |
| Output Type | Fixed | -- | Adjustable | -- |
| Output Voltage | 3.3V | -- | 1.2V | -- |
| Protection Features | Current Limit, Thermal Shutdown | -- | Over Current, Over Temperature, Short Circuit | -- |
| PSRR | 78dB (120Hz) | -- | 80dB ~ 65dB (120Hz) | -- |
| Voltage Dropout | 0.6V @ 100mA | -- | -- | -- |
| Action |
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