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8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency 14-VSON -40 to 125
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM2678SDX-5.0/NOPB by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
LM2678SDX-5.0/NOPB-ND
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DigiKey | IC REG BUCK 5V 5A 14VSON Min Qty: 2500 Lead time: 6 Weeks Container: Tape & Reel (TR) | Temporarily Out of Stock |
|
$3.4977 | Buy Now |
DISTI #
926-LM2678SDX50NOPB
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Mouser Electronics | Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A 926-LM2678SD50NOPB RoHS: Compliant | 0 |
|
$3.1600 | Order Now |
DISTI #
86280818
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Verical | Conv DC-DC 8V to 40V Step Down Single-Out 5V 5A 14-Pin VSON EP T/R RoHS: Compliant Min Qty: 97 Package Multiple: 1 Date Code: 1401 | Americas - 2309 |
|
$3.1000 / $3.8750 | Buy Now |
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Rochester Electronics | LM2678 8V to 40V, 5A SIMPLE SWITCHER buck converter with high efficiency RoHS: Compliant Status: Active Min Qty: 1 | 2309 |
|
$2.4800 / $3.1000 | Buy Now |
|
Vyrian | Other Function Semiconductors | 12571 |
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RFQ |
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LM2678SDX-5.0/NOPB
Texas Instruments
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Datasheet
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LM2678SDX-5.0/NOPB
Texas Instruments
8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency 14-VSON -40 to 125
|
Pbfree Code | Yes | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
Part Package Code | SON | |
Package Description | GREEN, LLP-14 | |
Pin Count | 14 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Texas Instruments | |
Analog IC - Other Type | SWITCHING REGULATOR | |
Control Mode | VOLTAGE-MODE | |
Control Technique | PULSE WIDTH MODULATION | |
Input Voltage-Max | 40 V | |
Input Voltage-Min | 8 V | |
Input Voltage-Nom | 12 V | |
JESD-30 Code | R-XDSO-N14 | |
JESD-609 Code | e3 | |
Length | 6 mm | |
Moisture Sensitivity Level | 1 | |
Number of Functions | 1 | |
Number of Outputs | 1 | |
Number of Terminals | 14 | |
Operating Temperature-Max | 125 °C | |
Operating Temperature-Min | -40 °C | |
Output Current-Max | 5 A | |
Output Voltage-Max | 37 V | |
Output Voltage-Min | 1.23 V | |
Package Body Material | UNSPECIFIED | |
Package Code | HVSON | |
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 | |
Seated Height-Max | 1 mm | |
Surface Mount | YES | |
Switcher Configuration | BUCK | |
Switching Frequency-Max | 260 kHz | |
Temperature Grade | AUTOMOTIVE | |
Terminal Finish | Matte Tin (Sn) | |
Terminal Form | NO LEAD | |
Terminal Pitch | 0.8 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Width | 5 mm |
This table gives cross-reference parts and alternative options found for LM2678SDX-5.0/NOPB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM2678SDX-5.0/NOPB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Manufacturer | Composite Price | Description | Compare |
---|---|---|---|---|
LM2678SD-5.0/NOPB | Texas Instruments | $3.0935 | 8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency 14-VSON -40 to 125 | LM2678SDX-5.0/NOPB vs LM2678SD-5.0/NOPB |
LM2678SD-5.0 | National Semiconductor Corporation | Check for Price | IC 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, DSO14, LLP-14, Switching Regulator or Controller | LM2678SDX-5.0/NOPB vs LM2678SD-5.0 |
LM2678SD-5.0/NOPB | National Semiconductor Corporation | Check for Price | IC 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, DSO14, LLP-14, Switching Regulator or Controller | LM2678SDX-5.0/NOPB vs LM2678SD-5.0/NOPB |
LM2678SDX-5.0 | Texas Instruments | Check for Price | 8.75A SWITCHING REGULATOR, 280kHz SWITCHING FREQ-MAX, DSO14, LLP-14 | LM2678SDX-5.0/NOPB vs LM2678SDX-5.0 |
LM2678SD-5.0 | Texas Instruments | Check for Price | 8.75A SWITCHING REGULATOR, 280kHz SWITCHING FREQ-MAX, DSO14, LLP-14 | LM2678SDX-5.0/NOPB vs LM2678SD-5.0 |
LM2678SDX-5.0/NOPB | National Semiconductor Corporation | Check for Price | IC 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, DSO14, LLP-14, Switching Regulator or Controller | LM2678SDX-5.0/NOPB vs LM2678SDX-5.0/NOPB |
LM2678SDX-5.0 | National Semiconductor Corporation | Check for Price | IC 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, DSO14, LLP-14, Switching Regulator or Controller | LM2678SDX-5.0/NOPB vs LM2678SDX-5.0 |
The maximum input voltage that can be applied to the LM2678SDX-5.0/NOPB is 40V, but it's recommended to keep it below 30V for reliable operation.
The LM2678SDX-5.0/NOPB has a maximum operating junction temperature of 150°C, but it's recommended to keep it below 125°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the junction temperature.
To ensure the stability of the output voltage, make sure to follow the recommended layout and component selection guidelines in the datasheet. Use a suitable output capacitor with low ESR, and ensure that the input capacitor is properly decoupled. You can also add a feedback capacitor to improve the stability of the output voltage.
Yes, the LM2678SDX-5.0/NOPB is a switching regulator, and it's designed for use in switching mode power supply designs. However, you need to ensure that the design meets the recommended operating conditions and layout guidelines to avoid electromagnetic interference (EMI) and ensure reliable operation.
The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESR) / (f * Cout), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, f is the switching frequency, and Cout is the output capacitance. You can use this formula to estimate the output voltage ripple and select the appropriate output capacitor and switching frequency for your design.