LM2678SDX-ADJIn StockTexas Instruments
LM2678SDX-ADJ is an adjustable output switching voltage regulator from Texas Instruments, supporting 8V to 40V input, pulse width modulation control, and up to 5A output. From $3.21, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- LM2678SDX-ADJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2117(MOQ 2500)
- 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 via external resistor divider for flexible power supply design
- Wide input voltage range of 8V to 40V supports diverse power sources
- Voltage-mode PWM control for stable and accurate output regulation
- Small Outline No-lead (SON) 14-pin package for compact PCB footprint
- Designed for high-efficiency DC-DC step-down (buck) conversion applications
Applications
The LM2678SDX-ADJ is widely used in industrial power supplies, embedded systems, and battery-powered equipment where an adjustable, regulated output voltage is required. Its wide input voltage range and PWM control make it ideal for converting unregulated DC rails in telecom equipment, automotive electronics, and distributed power architectures. It is also suitable for powering FPGAs, DSPs, and other sensitive digital loads requiring precise voltage regulation.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| 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-XDSO-N14 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 8.75A |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SOLCC14,.2,32 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 280kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.8mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
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 LM2678SDX-ADJ:
Switching Regulator, Voltage-mode, 8.75A, 280kHz Switching Freq-Max, BICMOS
Frequently Asked Questions
What is the input voltage range of the LM2678SDX-ADJ?
The LM2678SDX-ADJ supports an input voltage range of 8V to 40V, with a nominal input of 12V. This wide range makes it suitable for industrial and automotive applications where supply voltages can vary significantly.
What control method does the LM2678SDX-ADJ use?
The LM2678SDX-ADJ uses voltage-mode pulse width modulation (PWM) control. This technique provides stable output regulation by adjusting the duty cycle of the switching signal, ensuring accurate and consistent output voltage under varying load conditions.
What package type is the LM2678SDX-ADJ available in?
The LM2678SDX-ADJ is available in a 14-pin Small Outline No-lead (SON) package, which offers a compact footprint and excellent thermal performance, making it well-suited for space-constrained PCB designs.
What are typical applications for the LM2678SDX-ADJ?
Typical applications include industrial power supplies, embedded computing boards, telecom equipment, automotive electronics, and any system requiring an efficient adjustable DC-DC step-down regulator from an 8V to 40V input source.
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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 |
|---|---|---|
| 2500+ | $3.2117 | $8029.35 |
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