LM2576T-5.0/LB03
IC REG BUCK 5V 3A TO220-5
Pmic Voltage Regulators Dc Dc Switching Regulators
TO-220-5 Formed Leads
SIMPLE SWITCHER®
Not For New Designs
$2.72 / unit (market reference)
MOQ: 111 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | LM2576T-5.0/LB03 |
| Package / Case | TO-220-5 Formed Leads |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output | 5V |
| Current - Output | 3A |
| Frequency - Switching | 52kHz |
| Number of Outputs | 1 |
| Supplier Device Package | TO-220-5 |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
LM2576T-5.0/LB03 by Rochester Electronics, LLC is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 40V, output 5V. 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.
📖 Technical Guides for LM2576T-5.0/LB03
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →MC33167TVG
IC REG BUCK BST ADJ 5.5A TO220-5
LA5744-HK-E
STEP-DOWN SWITCHING REGULATOR
LA5779-E
IC REG BUCK ADJ 3.1A TO220-5H
LA5744-HK-E
IC REG BUCK ADJ 3.1A 2205HK
LM2595T-ADJ/NOPB
LM2595 SIMPLE SWITCHER POWER CON
LA5752-E
IC REG BUCK 5V TO220-5H
All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Output Type | Fixed |
| Current - Output | 3A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 4V |
| Voltage - Output (Min/Fixed) | 5V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.