LM2576HVS-3.3/NOPBIn StockTexas Instruments
LM2576HVS-3.3/NOPB is a 3.3V, 3A step-down switching voltage regulator by Texas Instruments. Key specs: 4.75V–60V input range, 52kHz switching frequency, high-voltage HV series. From $3.07, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM2576HVS-3.3/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.1100(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3A output current capability for medium-power applications
- Wide 4.75V to 60V input voltage range suits high-voltage designs
- Fixed 3.3V output eliminates external feedback resistors
- 52kHz switching frequency minimizes external component size
- Internal oscillator and soft-start reduce board complexity
Applications
The LM2576HVS-3.3/NOPB is well suited for industrial power supplies, automotive electronics, and telecom equipment requiring an efficient 3.3V rail from high-voltage sources. It is commonly used in battery-powered systems, embedded computing boards, and LED driver circuits where compact, reliable step-down conversion is essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 60V |
| 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 | 3.3V |
| 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 |
| 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 LM2576HVS-3.3/NOPB:
Switching Regulator, Voltage-mode, 3A, 63kHz Switching Freq-Max, PSSO5
Frequently Asked Questions
What is the input voltage range of the LM2576HVS-3.3/NOPB?
The LM2576HVS-3.3/NOPB accepts an input voltage from 4.75V up to 60V, making it suitable for high-voltage industrial and automotive applications where the supply rail can vary widely.
What output voltage and current does the LM2576HVS-3.3/NOPB provide?
This regulator provides a fixed 3.3V output at up to 3A continuous load current, delivering efficient step-down conversion with typical efficiency exceeding 75% across most operating conditions.
What external components are needed to use the LM2576HVS-3.3/NOPB?
A typical application requires only an input capacitor, an output inductor (68µH recommended), an output capacitor, and a catch diode (e.g., 3A Schottky). The fixed 3.3V output eliminates the need for external feedback resistors.
What package does the LM2576HVS-3.3/NOPB come in?
The LM2576HVS-3.3/NOPB is available in a D2PAK (TO-263-5) surface-mount package, which provides excellent thermal performance and is compatible with standard SMT assembly processes.
What are typical applications for the LM2576HVS-3.3/NOPB?
Typical applications include industrial power supplies, automotive 3.3V logic rails, telecom equipment, battery management systems, and embedded computing boards that require a compact and reliable step-down regulator from higher-voltage sources.
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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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