STMicroelectronicsTO-252-3, DPak (2 Leads + Tab), SC-63RoHS
LDF33DT-TR
IC REG LINEAR 3.3V 1A DPAK
Category
Subcategory
Pmic Voltage Regulators Linear
Package
TO-252-3, DPak (2 Leads + Tab), SC-63
Status
Obsolete
$1.03 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | LDF33DT-TR |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 16V |
| Voltage - Output | 3.3V |
| Current - Output | 1A |
| Supplier Device Package | DPAK |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
LDF33DT-TR 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 16V, output 3.3V. The TO-252-3, DPak (2 Leads + Tab), SC-63 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 ~ 45dB (120Hz ~ 100kHz) |
| Output Type | Fixed |
| Current - Output | 1A |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 16V |
| Voltage Dropout (Max) | 0.5V @ 1A |
| Current - Quiescent (Iq) | 800 µA |
| Voltage - Output (Min/Fixed) | 3.3V |
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