STMicroelectronicsTO-261-4, TO-261AARoHS
LD29080S33R
IC REG LINEAR 3.3V 800MA SOT223
Category
Subcategory
Pmic Voltage Regulators Linear
Package
TO-261-4, TO-261AA
Status
Obsolete
$1.52 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | LD29080S33R |
| Package / Case | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 13V |
| Voltage - Output | 3.3V |
| Current - Output | 800mA |
| Supplier Device Package | SOT-223 |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
LD29080S33R 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 13V, output 3.3V. The TO-261-4, TO-261AA 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 | 67dB (120Hz) |
| Output Type | Fixed |
| Current - Output | 800mA |
| Protection Features | Over Current, Over Temperature |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 13V |
| Voltage Dropout (Max) | 0.7V @ 800mA |
| Current - Supply (Max) | 35 mA |
| Current - Quiescent (Iq) | 180 µA |
| Voltage - Output (Min/Fixed) | 3.3V |
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