STMicroelectronicsHeptawatt-7 (Vertical, Bent and Staggered Leads)RoHS
L4902A
IC REG BUCK 5V DL 7HEPTAWATT
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
Heptawatt-7 (Vertical, Bent and Staggered Leads)
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | L4902A |
| Package / Case | Heptawatt-7 (Vertical, Bent and Staggered Leads) |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Buck |
| Voltage - Input (Max) | 24V |
| Voltage - Output | 5V |
| Current - Output | 300mA |
| Number of Outputs | 2 |
| Supplier Device Package | 7-HEPTAWATT |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
L4902A by STMicroelectronics is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 24V, output 5V. The Heptawatt-7 (Vertical, Bent and Staggered Leads) 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
| Function | Step-Down |
| Topology | Buck |
| Output Type | Fixed |
| Current - Output | 300mA |
| Number of Outputs | 2 |
| Output Configuration | Positive |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 24V |
| Voltage - Output (Min/Fixed) | 5V |
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