STMicroelectronics20-SOIC (0.433", 11.00mm Width) Exposed PadRoHS
L4938EPD13TR
IC REG LINEAR POS ADJ POWERSO20
Category
Subcategory
Pmic Voltage Regulators Linear
Package
20-SOIC (0.433", 11.00mm Width) Exposed Pad
Status
Active
$6.12 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | L4938EPD13TR |
| Package / Case | 20-SOIC (0.433", 11.00mm Width) Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C |
| Voltage - Input (Max) | 28V |
| Voltage - Output | 4.9V (5V) |
| Current - Output | 100mA, 400mA |
| Supplier Device Package | PowerSO-20 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
L4938EPD13TR by STMicroelectronics is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 28V, output 4.9V (5V). The 20-SOIC (0.433", 11.00mm Width) Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Output Type | Adjustable (Fixed) |
| Control Features | Enable, Reset |
| Current - Output | 100mA, 400mA |
| Protection Features | Over Temperature |
| Number of Regulators | 2 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 28V |
| Voltage Dropout (Max) | 0.4V @ 100mA, 0.6V @ 400mA |
| Voltage - Output (Max) | 5.1V |
| Voltage - Output (Min/Fixed) | 4.9V (5V) |
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