LM2599T-ADJIn StockTexas Instruments
LM2599T-ADJ is a 3A adjustable step-down switching voltage regulator from Texas Instruments. Supports 1.2V to 38.48V output with PWM control and 40V max input. From $3.20, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM2599T-ADJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2000(MOQ 60)
- 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 38.48V via external resistor divider
- 3A output current capability with up to 40V input voltage range
- Pulse Width Modulation (PWM) voltage-mode control for stable regulation
- TO-220 7-pin package for easy PCB integration and thermal management
- Available from 1996 with proven reliability in power supply designs
Applications
The LM2599T-ADJ is widely used in DC-DC step-down power conversion for industrial equipment, telecom systems, and embedded computing boards. Its adjustable output voltage makes it ideal for powering microcontrollers, FPGAs, and analog circuitry from higher-voltage bus rails. It is also suitable for battery-powered devices requiring efficient voltage regulation with minimal external components.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1996-04-01 |
| YTEOL | 0 |
| Additional Feature | ALSO AVAILABLE IN ADJUSTABLE MODE FROM 1.2 TO 38.48 VOLT |
| 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-PZFM-T7 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 1.2V |
| Output Voltage-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Peak Reflow Temperature (Cel) | 260 |
| 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 | 1.27mm |
| Terminal Position | ZIG-ZAG |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage range of the LM2599T-ADJ?
The LM2599T-ADJ supports an adjustable output voltage range from 1.2V to 38.48V, set by an external resistor divider network. The input voltage can range from 4.5V to 40V, making it versatile for a wide range of power supply designs.
What is the maximum output current of the LM2599T-ADJ?
The LM2599T-ADJ is rated for up to 3A continuous output current. It uses pulse width modulation (PWM) in voltage-mode control to maintain stable output under varying load conditions.
What package does the LM2599T-ADJ come in?
The LM2599T-ADJ is available in a TO-220 7-pin package, which provides good thermal performance and is easy to mount on PCBs. This package is well-suited for applications requiring moderate power dissipation.
What are typical applications for the LM2599T-ADJ?
Typical applications include step-down voltage regulators for industrial power supplies, embedded systems, telecom equipment, and battery-powered devices. Its wide input and adjustable output voltage range make it suitable for powering microcontrollers, FPGAs, and other sensitive electronics.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 60+ | $5.0000 | $300.00 |
| 500+ | $3.6000 | $1800.00 |
| 1000+ | $3.4000 | $3400.00 |
| 10000+ | $3.2000 | $32000.00 |
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