LM2679S-ADJ/NOPB Texas Instruments Integrated Circuit (TO-XXX (Inc. DPAK)) In Stock
SIMPLE SWITCHER® 8V to 40V, 5A Step-Down DC/DC Switching Regulator with adjustable current limit and voltage-mode PWM control, ideal for industrial and automotive power supply designs. From $4.69 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- TO-XXX (Inc. DPAK)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM2679S-ADJ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.6930(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM2679S-ADJ/NOPB?
- 8V to 40V wide input voltage range supports diverse industrial and automotive power applications
- 5A output current capability with adjustable current limit for flexible load protection
- Voltage-mode PWM control for stable and efficient step-down DC/DC conversion
- SIMPLE SWITCHER® design simplifies PCB layout with minimal external components
- RoHS-compliant (Pb-free) packaging in space-saving TO-DPAK 7-lead through-hole mount
What is LM2679S-ADJ/NOPB used for?
The LM2679S-ADJ/NOPB is widely used in industrial power supplies, automotive electronics, and telecommunications equipment where a robust 8V–40V input must be regulated down to a stable output. Its adjustable current limit makes it well suited for battery-powered systems and motor-drive pre-regulators. The device also finds application in distributed power architectures, point-of-load converters, and ruggedized embedded systems requiring reliable 5A step-down regulation.
What are the specifications of LM2679S-ADJ/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G7 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 5A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 1.23V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP7H,.55,50TB |
| 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 | 260kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | TO-XXX (Inc. DPAK) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM2679S-ADJ/NOPB datasheet?
LM2679S-ADJ/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM2679S-ADJ/NOPB?
Compatible alternatives and drop-in replacements for LM2679S-ADJ/NOPB:
Switching Regulator, Voltage-mode, 5A, 260kHz Switching Freq-Max, BICMOS, PSSO7
Frequently Asked Questions
What is the input voltage range of the LM2679S-ADJ/NOPB?
The LM2679S-ADJ/NOPB accepts an input voltage from 8V to 40V, with a nominal operating voltage of 12V. This wide range makes it suitable for 12V and 24V automotive or industrial rails as well as unregulated DC bus inputs.
What output current can the LM2679S-ADJ/NOPB deliver, and is the current limit adjustable?
The regulator delivers up to 5A of continuous output current. The current limit is externally adjustable via a sense resistor, allowing designers to tailor overload protection to match the specific load requirements of their application.
What are typical applications for the LM2679S-ADJ/NOPB?
Typical applications include industrial SMPS, automotive point-of-load regulators, 24V distributed power systems, motor pre-drive supplies, and ruggedized embedded computing boards. Its adjustable output voltage and current limit provide the flexibility needed across these demanding environments.
What package does the LM2679S-ADJ/NOPB come in, and is it RoHS compliant?
The device is housed in a 7-lead TO-263 (D2PAK) surface-mount package, which provides excellent thermal performance. It carries a Pb-free (e3) JEDEC code and is fully RoHS compliant, making it suitable for environmentally regulated product designs.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $14.4360 | $14.44 |
| 3+ | $10.5864 | $31.76 |
| 8+ | $9.6240 | $76.99 |
| 10+ | $6.4500 | $64.50 |
| 25+ | $6.0800 | $152.00 |
| 43+ | $4.6930 | $201.80 |
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