LM2576HVT-15LB03 Texas Instruments Transistor (Transistor Outline, Vertical) In Stock
Step-down DC-DC switching regulator from Texas Instruments delivering a fixed 15V output at up to 3A from a 4V to 60V input range. Designed for efficient voltage conversion in high-voltage power supplies using a simple external inductor and capacitor. Available in a 5-pin TO-220 through-hole package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Transistor Outline, Vertical
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LM2576HVT-15LB03 Datasheet PDF
- Category
- Transistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM2576HVT-15LB03?
- Wide 4V to 60V input range supports operation across diverse power sources including automotive 12V/24V systems and industrial 48V rails with fixed 15V regulated output
- 3A continuous output current in a TO-220 package with integrated tab provides sufficient drive capability for powering mid-power embedded systems and analog signal conditioning circuits
- Simple step-down topology requiring only an external inductor, diode, and capacitor minimizes external component count and simplifies PCB layout for efficient 15V regulation
What is LM2576HVT-15LB03 used for?
The LM2576HVT-15LB03 is used in industrial power supplies, automotive accessory controllers, and embedded systems requiring a regulated 15V rail from higher-voltage sources such as 24V or 48V bus systems. Its wide input range and 3A current capability make it ideal for powering linear amplifiers, relay drivers, and microcontroller supply rails in harsh-environment control panels. The TO-220 through-hole package is well-suited for high-power prototyping boards and applications that benefit from easy heat sinking.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LM2576HVT-15LB03 datasheet?
LM2576HVT-15LB03 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM2576HVT-15LB03?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and current rating of the LM2576HVT-15LB03?
The LM2576HVT-15LB03 provides a fixed 15V output voltage with a maximum continuous output current of 3A. This makes it suitable for powering analog circuits, relay coils, and microcontroller boards from higher-voltage bus sources in industrial and automotive power conditioning applications.
What is the input voltage range of the LM2576HVT-15LB03?
The LM2576HVT-15LB03 accepts an input voltage range from 4V to 60V. This wide HV-rated input range enables direct use with 12V automotive batteries, 24V and 48V industrial power rails, and even unregulated higher-voltage DC sources, making it a versatile step-down regulator for diverse power conversion scenarios.
What external components are needed with the LM2576HVT-15LB03?
The LM2576HVT-15LB03 requires only a few external passive components: a catch diode, an output inductor, and output filter capacitor to form a complete step-down regulator circuit. This minimal external component requirement simplifies PCB layout and reduces total bill of materials cost compared to discrete switching power supply designs.
What package is the LM2576HVT-15LB03 available in?
The LM2576HVT-15LB03 is available in a 5-pin TO-220 through-hole package with an integrated mounting tab for heat sinking. This package allows straightforward attachment of an external heatsink to manage thermal dissipation at full 3A load, making it practical for industrial and automotive power supply designs operating in elevated ambient temperatures.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
TLP222A-2(F)
Toshiba
Transistor
PVG612ASPBF
Infineon
Transistor
SI1016X-T1-GE3
Vishay
Transistor
2SCR513P5T100
ROHM Semiconductor
Transistor
IRF8915TRPBF
Infineon
Transistor
TLP183(BL,E
Toshiba
Transistor
SI5515CDC-T1-GE3
Vishay
Transistor
CGHV27015S
Cree, Inc.
Transistor
NST3946DP6T5G
ON Semiconductor
Transistor
IRLU120NPBF
Infineon
Transistor
CPH3461-TL-W
ON Semiconductor
Transistor
PBSS4350Z
Nexperia
Transistor
NSVJ3910SB3T1G
ON Semiconductor
Transistor
2N4393
Central Semiconductor
Transistor
BA12004BF-E2
ROHM Semiconductor
Transistor
BA12003BF-E2
ROHM Semiconductor
Transistor
IRLZ44
Vishay
Transistor
SMBTA06UPNE6327HTSA1
Infineon
Transistor
IRF7319TRPBF
Infineon
Transistor
IPP80P03P4L04AKSA1
Infineon
Transistor
PMN48XP,125
Nexperia
Transistor
IRLML6402TRPBF
Infineon
Transistor
ZTX788B
Diodes Inc.
Transistor
2SA1943-O(Q)
Toshiba
Transistor