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Deep-Dive with AI
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Technical Specifications
Parameters and characteristics for this part
| Specification | L4938E |
|---|---|
| Control Features | Reset, Enable |
| Current - Output | 400 mA, 100 mA |
| Mounting Type | Through Hole |
| Number of Regulators | 2 |
| Output Configuration | Positive |
| Output Type | Adjustable (Fixed) |
| Package / Case | 16-DIP |
| Package / Case | 0.346 in, 8.8 mm |
| Protection Features | Over Temperature |
| Supplier Device Package | 16-PowerDIP (20x7.10) |
| Voltage - Input (Max) [Max] | 28 V |
| Voltage - Output (Max) [Max] | 5.1 V |
| Voltage - Output (Min/Fixed) | 4.9 V |
| Voltage - Output (Min/Fixed) | 5 V |
| Voltage Dropout (Max) [Max] | 0.6 V, 0.4 V |
L4938EPD Series
Advanced Voltage Regulator
| Part | Voltage - Input (Max) [Max] | Mounting Type | Package / Case | Package / Case | Voltage - Output (Min/Fixed) | Voltage - Output (Min/Fixed) | Number of Regulators | Control Features | Current - Output | Voltage Dropout (Max) [Max] | Output Type | Protection Features | Supplier Device Package | Output Configuration | Voltage - Output (Max) [Max] | Package / Case [y] | Package / Case [y] | Package / Case [x] | Operating Temperature [Max] | Operating Temperature [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
STMicroelectronics | 28 V | Through Hole | 16-DIP | 0.346 in 8.8 mm | 4.9 V | 5 V | 2 | Enable Reset | 100 mA 400 mA | 0.4 V 0.6 V | Adjustable (Fixed) | Over Temperature | 16-PowerDIP (20x7.10) | Positive | 5.1 V | |||||
 STMicroelectronics | 28 V | Surface Mount | 20-SOIC | 4.9 V | 5 V | 2 | Enable Reset | 100 mA 400 mA | 0.4 V 0.6 V | Adjustable (Fixed) | Over Temperature | 20-SO | Positive | 5.1 V | 0.295 in | 7.5 mm | ||||
STMicroelectronics | 28 V | Surface Mount | 20-SOIC | 4.9 V | 5 V | 2 | Enable Reset | 100 mA 400 mA | 0.4 V 0.6 V | Adjustable (Fixed) | Over Temperature | 20-SO | Positive | 5.1 V | 0.295 in | 7.5 mm | ||||
 STMicroelectronics | 28 V | Surface Mount | 20-SOIC (0.433" 11.00mm Width) Exposed Pad | 4.9 V | 5 V | 2 | Enable Reset | 100 mA 400 mA | 0.4 V 0.6 V | Adjustable (Fixed) | Over Temperature | PowerSO-20 | Positive | 5.1 V | 11 mm | |||||
STMicroelectronics | 25 V | Surface Mount | 20-SOIC | 5 V | 2 | Enable Reset | 50 mA 500 mA | 0.4 V 0.6 V | Adjustable (Fixed) | 20-SO | Positive | 0.295 in | 7.5 mm | 125 °C | -40 °C | |||||
STMicroelectronics | 28 V | Surface Mount | 20-SOIC (0.433" 11.00mm Width) Exposed Pad | 4.9 V | 5 V | 2 | Enable Reset | 100 mA 400 mA | 0.4 V 0.6 V | Adjustable (Fixed) | Over Temperature | PowerSO-20 | Positive | 5.1 V | 11 mm |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 4.82 | |
| 10 | $ 4.33 | |||
| 25 | $ 4.09 | |||
| 100 | $ 3.55 | |||
| 250 | $ 3.36 | |||
| 500 | $ 3.02 | |||
Description
General part information
L4938EPD Series
The L4938ED and L4938EPD are monolithic integrated dual voltage regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supplying microcomputer controlled systems especially in automotive applications.
Documents
Technical documentation and resources