STMicroelectronics L4938ED Linear Controllers
Linear Voltage Regulator IC Positive Adjustable (Fixed) 2 Output 100mA, 400mA 20-SO
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4938ED
Detailed Description
IC REG LINEAR POS ADJ 20SO
Package
20-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 20-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
L4938ED Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4938ED Linear Controllers technical specifications.
General
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C
Lifecycle Status
Obsolete
Output Type
Adjustable (Fixed)
Max Input Voltage
28V
Output Current
100mA, 400mA
Control Features
Enable, Reset
Output Configuration
Positive
Output Voltage
4.9V (5V)
Alternate Parts Comparison (L4938ED vs L4988MDTR vs L4993MD vs L4979MD)
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 ~ 150°C | -40°C ~ 150°C | -40°C ~ 150°C | -40°C ~ 150°C |
| Control Features | Enable, Reset | Reset, Watchdog | Reset, Watchdog | Enable, Reset, Watchdog |
| Max Input Voltage | 28V | 31V | 31V | 31V |
| Number of Regulators | 2 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 100mA, 400mA | 200mA | 150mA | 150mA |
| Output Type | Adjustable (Fixed) | Fixed | Fixed | Fixed |
| Output Voltage | 4.9V (5V) | 5V | 5V | 5V |
| Protection Features | Over Temperature | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| Voltage Dropout | 0.4V @ 100mA, 0.6V @ 400mA | 0.5V @ 200mA | 0.4V @ 150mA | 0.4V @ 150mA |
| Action |
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