STMicroelectronicsPentawatt-5 (Horizontal, Bent and Staggered Leads)RoHS
L4947H
IC REG LIN 5V 500MA 5PENTAWATT
Category
Subcategory
Pmic Voltage Regulators Linear
Package
Pentawatt-5 (Horizontal, Bent and Staggered Leads)
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | L4947H |
| Package / Case | Pentawatt-5 (Horizontal, Bent and Staggered Leads) |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 26V |
| Voltage - Output | 5V |
| Current - Output | 500mA |
| Supplier Device Package | 5-PENTAWATT |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
L4947H 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 26V, output 5V. The Pentawatt-5 (Horizontal, 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
| PSRR | 60dB (120Hz) |
| Output Type | Fixed |
| Control Features | Reset |
| Current - Output | 500mA |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 26V |
| Voltage Dropout (Max) | 0.75V @ 500mA |
| Current - Supply (Max) | 180 mA |
| Current - Quiescent (Iq) | 13 mA |
| Voltage - Output (Min/Fixed) | 5V |
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