LM2575D2T-3.3R4G
IC REG BUCK 3.3V D2PAK-5
Pmic Voltage Regulators Dc Dc Switching Regulators
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Active
$2.26 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | LM2575D2T-3.3R4G |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 4.75V |
| Voltage - Input (Max) | 40V |
| Voltage - Output | 3.3V |
| Current - Output | 1A |
| Frequency - Switching | 52kHz |
| Number of Outputs | 1 |
| Supplier Device Package | D2PAK-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LM2575D2T-3.3R4G by onsemi is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 40V, output 3.3V. The TO-263-6, D²Pak (5 Leads + Tab), TO-263BA 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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Alternatives & Replacements
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All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Output Type | Fixed |
| Current - Output | 1A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 4.75V |
| Voltage - Output (Min/Fixed) | 3.3V |
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