LM2587T-3.3/NOPB
LM2587 4V TO 40V, 5A STEP-UP WID

Pmic Voltage Regulators Dc Dc Switching Regulators
TO-220-5 Formed Leads
SIMPLE SWITCHER®
Active
$7.33 / unit (market reference)
MOQ: 41 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | LM2587T-3.3/NOPB |
| Package / Case | TO-220-5 Formed Leads |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Boost, Flyback, Forward Converter |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output | 3.3V |
| Current - Output | 5A (Switch) |
| Frequency - Switching | 100kHz |
| Number of Outputs | 1 |
| Supplier Device Package | TO-220-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LM2587T-3.3/NOPB by Rochester Electronics, LLC is a Boost, Flyback, Forward Converter 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-220-5 Formed 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-Up, Step-Up/Step-Down |
| Topology | Boost, Flyback, Forward Converter |
| Output Type | Fixed |
| Current - Output | 5A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 100kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 4V |
| Voltage - Output (Min/Fixed) | 3.3V |
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