LM2576SX-5.0/NOPBIn StockTexas Instruments
SIMPLE SWITCHER 40V, 3A step-down voltage regulator with fixed 5.0V output and only 5 external components. Features pulse-width modulation control, 52kHz switching frequency, and built-in thermal shutdown. From $0.97, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM2576SX-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9710(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 5.0V output with tight regulation, ideal for powering logic and microcontroller systems
- Wide 4V–40V input voltage range supports automotive and industrial power rails
- Only 5 external components required, minimizing BOM cost and PCB footprint
- Built-in thermal shutdown and current limiting for robust overcurrent protection
- 52kHz fixed-frequency PWM control enables simple, predictable EMI filter design
Applications
The LM2576SX-5.0/NOPB is widely used in industrial power supplies, automotive electronics, and embedded systems requiring a stable 5V rail from higher-voltage inputs. Its high 3A output current capability makes it suitable for powering FPGAs, DSPs, and communication modules. The device is also popular in battery-operated equipment and distributed power architectures where efficiency and compact design are critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 3.3V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 63kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM2576SX-5.0/NOPB Alternates Showing results | Image |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2576SX-5.0/NOPB:
Frequently Asked Questions
What is the input voltage range of the LM2576SX-5.0/NOPB?
The LM2576SX-5.0/NOPB accepts an input voltage from 4V to 40V, with a nominal design point of 12V. This wide range makes it suitable for automotive systems (12V/24V), industrial 24V rails, and unregulated wall adapters up to 40V.
What output voltage and current does the LM2576SX-5.0/NOPB provide?
This device provides a fixed 5.0V regulated output with up to 3A continuous output current. The fixed-output variant eliminates the external resistor divider required by adjustable versions, simplifying the design and improving reliability.
What package does the LM2576SX-5.0/NOPB use and is it RoHS compliant?
The LM2576SX-5.0/NOPB comes in a 5-pin D2PAK (TO-263) surface-mount package, designated JESD-30 code R-PSSO-G5. It is lead-free (Pb-free code: Yes, JESD-609 code: e3), making it fully RoHS compliant for modern electronics manufacturing.
What are typical applications for the LM2576SX-5.0/NOPB?
Typical applications include on-board 5V power supplies in industrial controllers, automotive infotainment systems, telecom equipment, and embedded computing boards. Its simple 5-component design and 3A current rating make it ideal for powering microcontrollers, FPGAs, and peripheral interfaces from a higher-voltage bus.
Are there pin-compatible or functional alternatives to the LM2576SX-5.0/NOPB?
Functional alternatives include the LM2596 (higher 150kHz switching frequency for smaller inductors), the TPS54331 (higher efficiency synchronous design), and the LM2576HVS-5.0 which extends input voltage up to 60V. Always verify pin compatibility and application requirements before substitution.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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