LM2594N-ADJIn StockTexas Instruments
LM2594N-ADJ is a step-down switching voltage regulator with adjustable output from 1.2V to 37V, supporting 40V input, 0.5A output current, and PWM control. From $1.97 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM2594N-ADJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9737(MOQ 1)
- 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 37V via external resistor divider
- Wide input voltage range of 4.5V to 40V for versatile power supply designs
- Voltage-mode PWM control for stable regulation and low output ripple
- DIP-8 through-hole package for easy prototyping and breadboard use
- Requires minimal external components for a complete buck converter circuit
Applications
The LM2594N-ADJ is widely used in DC-DC buck converter circuits for industrial power supplies, battery chargers, and embedded system power management. Its adjustable output makes it ideal for powering microcontrollers, FPGAs, and analog circuits requiring precise regulated voltages. It is also suitable for automotive and laboratory bench power supply designs where a compact, efficient step-down regulator is needed.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2V TO 37V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1.4A |
| Output Voltage-Nom | 1.23V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 173kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
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 LM2594N-ADJ:
Switching Regulator, Voltage-mode, 0.5A, 173kHz Switching Freq-Max, PDIP8
Frequently Asked Questions
What is the output voltage range of the LM2594N-ADJ?
The LM2594N-ADJ supports an adjustable output voltage range from 1.2V to 37V, set by an external resistor divider connected to the feedback pin. This makes it suitable for a wide variety of power supply applications requiring different regulated voltages.
What is the maximum input voltage and output current for the LM2594N-ADJ?
The LM2594N-ADJ accepts an input voltage from 4.5V to 40V, with a nominal operating voltage of 12V. It can deliver a continuous output current of up to 0.5A, making it well-suited for low-to-medium power DC-DC conversion applications.
What package does the LM2594N-ADJ come in and is it RoHS compliant?
The LM2594N-ADJ is available in an 8-pin DIP (Dual In-Line Package) through-hole package, which is convenient for prototyping and manual soldering. Note that this part is not Pb-free (RoHS non-compliant), so check regulatory requirements before use in new designs.
What are typical applications for the LM2594N-ADJ?
The LM2594N-ADJ is commonly used in step-down (buck) switching power supplies for powering microcontrollers, DSPs, analog circuits, and industrial control systems. It is also used in battery-powered equipment, automotive power conversion, and laboratory bench power supplies requiring an efficient adjustable voltage output.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.8500 | $3.85 |
| 27+ | $2.6000 | $70.20 |
| 97+ | $2.4050 | $233.28 |
| 200+ | $1.9736 | $394.73 |
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