STMicroelectronics8-SOIC (0.154", 3.90mm Width)RoHS
L4949ED
IC REG LINEAR 5V 100MA 8SO
Category
Subcategory
Pmic Voltage Regulators Linear
Package
8-SOIC (0.154", 3.90mm Width)
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | L4949ED |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 28V |
| Voltage - Output | 5V |
| Current - Output | 100mA |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
L4949ED 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 5V. The 8-SOIC (0.154", 3.90mm Width) 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 | Fixed |
| Control Features | Reset Output |
| Current - Output | 100mA |
| Protection Features | Over Temperature, Short Circuit |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 28V |
| Voltage Dropout (Max) | 0.5V @ 100mA |
| Current - Supply (Max) | 5 mA |
| Current - Quiescent (Iq) | 300 µA |
| Voltage - Output (Min/Fixed) | 5V |
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