STMicroelectronics L4949EPTR-E Microcontrollers
5V 0.1A LDO Regulator, 20-Pin SOIC, Surface Mount
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4949EPTR-E
Detailed Description
5V 0.1A LDO Regulator, 20-Pin SOIC, Surface Mount
Package
20-SOIC (0.295", 7.50mm Width)
Lifecycle Status
Active
Datasheet
L4949EPTR-E Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4949EPTR-E Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
28V
Current Supply Max
5 mA
Output Current
100mA
Quiescent Current
300 µA
Alternate Parts Comparison (L4949EPTR-E vs ST7FLIT19BF1M3 vs STM8S103F3M6TR vs ST7FLITE39M3TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Lifecycle Status | Active | Not For New Designs | Active | Obsolete |
| Supply Voltage | -- | 2.7V ~ 5.5V | 2.95V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | -- | ST7 | STM8 | ST7 |
| Core Size | -- | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | -- | 256 x 8 | 1K x 8 | 384 x 8 |
| Connectivity | -- | SPI | I²C, IrDA, LINbus, SPI, UART/USART | LINbusSCI, SPI |
| Data Converters | -- | A/D 7x10b | A/D 5x10b | A/D 7x10b |
| EEPROM Size | -- | 128 x 8 | 640 x 8 | 256 x 8 |
| Number of I/O | -- | 17 | 16 | 15 |
| 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
NCV4949CDR2GonsemiSimilaronsemi
Pin NoPkg NoElec Upgrade
LDO Regulator, 100 mA, Low Dropout, 2500-REEL
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.