LM2591HVT-ADJ Texas Instruments Integrated Circuit (Other) In Stock
LM2591HVT-ADJ is an adjustable step-down switching voltage regulator supporting 4.5V–60V input, 1.2V–59.28V output at up to 1A, in a TO-220-5 package. From $3.29 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM2591HVT-ADJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2943(MOQ 135)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Adjustable output voltage from 1.2V to 59.28V via external resistors
- Wide input voltage range: 4.5V to 60V, suitable for high-voltage applications
- Fixed 150kHz switching frequency reduces external component size
- 1A continuous output current with built-in thermal and current limit protection
- Available in compact TO-220-5 package for easy PCB integration
Applications
The LM2591HVT-ADJ is widely used in industrial power supplies, automotive electronics, and battery-powered equipment requiring efficient step-down regulation. It suits applications such as distributed power systems, LED drivers, and point-of-load converters where a wide input voltage range and adjustable output are essential. Its high-voltage tolerance and compact package also make it ideal for telecom infrastructure and embedded control systems.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | ALSO AVALIABLE IN ADJUSTABLE MODE FROM 1.2 TO 59.28 VOLT |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Input Voltage-Max | 60V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-XZFM-T5 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | ZIP5,.15,.17,67TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 173kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1.7mm |
| Terminal Position | ZIG-ZAG |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2591HVT-ADJ:
Switching Regulator, Voltage-mode, 3A, 173kHz Switching Freq-Max, BIPolar
Switching Regulator, Voltage-mode, 3A, 173kHz Switching Freq-Max, BIPolar
Frequently Asked Questions
What is the output voltage range of the LM2591HVT-ADJ?
The LM2591HVT-ADJ supports an adjustable output voltage from 1.2V to 59.28V, set by two external resistors connected to the feedback pin. This flexibility makes it suitable for a wide variety of regulated power supply designs.
What is the maximum input voltage the LM2591HVT-ADJ can handle?
The LM2591HVT-ADJ accepts an input voltage range of 4.5V to 60V, making it well suited for high-voltage industrial and automotive applications where supply rails can vary significantly.
What package does the LM2591HVT-ADJ come in, and what are its thermal characteristics?
The LM2591HVT-ADJ is housed in a 5-pin TO-220 package, which provides excellent thermal dissipation. The package allows direct heatsink attachment, enabling continuous 1A output current even in demanding thermal environments.
What are common applications for the LM2591HVT-ADJ?
Typical applications include industrial DC-DC power converters, LED constant-current drivers, automotive step-down regulators, telecom power modules, and battery management systems. The wide input range and adjustable output make it versatile across many power supply topologies.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 135+ | $3.2943 | $444.73 |
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