Product Overview
| Image: |
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| Manufacturer Part#: | LM2576WU |
| Product Category: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Stock: | Yes |
| Manufacturer: | Microchip Technology |
| Description: | IC REG BUCK ADJ 3A TO263-5 |
| Datasheet: | LM2576 |
| Package: | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Minimum: | 1 |
| Lead Time: | 8 Weeks |
| Quantity: | 470 PCS |
| Send RFQ: | Inquiry |
Reference Price
| Qty | Unit Price | Ext. Price |
| 1: | 1.99000 | 1.99000 |
| 25: | 1.66000 | 41.50000 |
| 100: | 1.51000 | 151.00000 |
LM2576WU Images are for reference only.
CAD Models
Product Attributes
| Manufacturer: | Microchip Technology |
| Series: | - |
| Packaging: | Bulk |
| Part Status: | Active |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Adjustable |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 4V |
| Voltage - Input (Max): | 40V |
| Voltage - Output (Min/Fixed): | 1．23V |
| Voltage - Output (Max): | 37V |
| Current - Output: | 3A |
| Frequency - Switching: | 52kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-263-6 D²Pak (5 Leads + Tab) TO-263BA |
| Supplier Device Package: | TO-263-5 |
| Base Part Number: | LM2576 |
Descriptions
There is no relevant information available for this part yet.
FEATURES
General Description
The LM2576 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, or 12V fixed output. Adjustable versions have an output voltage range from 1.23V to 37V. Both versions are capable of driving a 3A load with excellent line and load regulation.Features
• 3.3V, 5V, 12V, and adjustable output versions• Voltage over specified line and load conditions:
Fixed version: ±3% max. output voltage
Adjustable version: ±2% max. feedback voltage
• Guaranteed 3A output current
• Wide input voltage range: 4V to 40V
• Wide output voltage range 1.23V to 37V
• Requires only 4 external components
• 52kHz fixed frequency internal oscillator
• Low power standby mode IQ typically < 200µA
• 80% efficiency (adjustable version typically > 80%)
• Uses readily available standard inductors
• Thermal shutdown and current limit protection
• 100% electrical thermal limit burn-in
Applications
• Simple high-efficiency step-down (buck) regulator• Efficient pre-regulator for linear regulators
• On-card switching regulators
• Positive to negative converter (inverting Buck-Boost)
• Isolated Flyback Converter using minimum number of external components
• Negative Boost Converter
ECCN / UNSPSC
| Description | Value |
| USHTS: | 8542390001 |
| CAHTS: | 8542390090 |
| CNHTS: | 8542399000 |
| JPHTS: | 8542390990 |
| MXHTS: | 85423901 |
| TARIC: | 8542399000 |
| ECCN: | EAR99 |
Environmental & Export Classifications
| Description | Value |
| RoHS Status: | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
Documents & Media
| Datasheets: | LM2576 |
| PCN Assembly/Origin: | Qualification Production Site 23/May/2014 |
| PCN Packaging: | MBB/Label Chgs 16/Nov/2018 |
| Online Catalog: | Buck (Step-Down) IC |
Product Manufacturer
Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.Distributors
| Image | PartNo | Manufacturer | Descriptions | Stock | Step Price |
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LM2576WU | Microchip Technology | IC REG BUCK ADJ 3A TO263-5 | 470 | 1:$1.99000 25:$1.66000 100:$1.51000 |
|
|
LM2576WU | Microchip Technology / Micrel | Switching Voltage Regulators 3A Step-Down SMPS Regulator | On Order | 1:$1.99 25:$1.66 100:$1.51 |
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Shopping Guide:
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