Datasheets
LM2679T-ADJ/NOPB by:

SIMPLE SWITCHER® 8V to 40V, 5A Step-Down DC/DC Switching Regulator with Adjustable Current Limit 7-TO-220 -40 to 125

Part Details for LM2679T-ADJ/NOPB by Texas Instruments

Results Overview of LM2679T-ADJ/NOPB by Texas Instruments

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Applications Energy and Power Systems Renewable Energy Automotive

LM2679T-ADJ/NOPB Information

LM2679T-ADJ/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.

Available Datasheets

Part # Manufacturer Description Datasheet
TCKE712BNL Toshiba Electronic Devices & Storage Corporation eFuse IC (electronic Fuse), 4.4 to 13.2 V, 3.65 A, Latch, Adjustable Over Voltage Protection, WSON10
TCR15AGADJ Toshiba Electronic Devices & Storage Corporation LDO Regulator, Adjustable Output, 0.6 to 3.6 V, 1500 mA, WCSP6F
TCR13AGADJ Toshiba Electronic Devices & Storage Corporation LDO Regulator, Adjustable Output, 0.55 to 3.6 V, 1300 mA, WCSP6F

Price & Stock for LM2679T-ADJ/NOPB

Part # Distributor Description Stock Price Buy
DISTI # LM2679T-ADJ/NOPB-ND
DigiKey IC REG BUCK ADJ 5A TO220-7 Min Qty: 1 Lead time: 18 Weeks Container: Tube 329
In Stock
  • 1 $6.6000
  • 10 $5.0730
  • 45 $4.4956
  • 135 $4.2036
  • 270 $4.0607
  • 540 $3.9431
  • 1,035 $3.8517
  • 2,520 $3.7509
$3.7509 / $6.6000 Buy Now
DISTI # 926-LM2679T-ADJ/NOPB
Mouser Electronics Switching Voltage Regulators 5A STEP-DOWN VLTG RE G RoHS: Compliant 212
  • 1 $6.0500
  • 10 $4.6500
  • 25 $4.1100
  • 90 $3.8300
  • 270 $3.7000
  • 540 $3.5900
  • 1,080 $3.4700
$3.4700 / $6.0500 Buy Now
DISTI # LM2679T-ADJ/NOPB
TME PMIC, DC/DC converter, Uin: 8÷40VDC, Uout: 1.2÷37VDC, 5A, TO220-7 Min Qty: 1 918
  • 1 $5.5000
  • 3 $4.8000
  • 10 $4.5000
  • 25 $4.0500
  • 45 $3.8500
  • 90 $3.7500
  • 135 $3.6500
  • 270 $3.5500
  • 540 $3.4500
$3.4500 / $5.5000 Buy Now
LCSC Step-down type Adjustable 8V40V 5A 1.21V37V TO-220-7 DC-DC Converters ROHS 50
  • 1 $7.0093
  • 10 $6.1399
  • 30 $5.6086
  • 100 $5.1634
$5.1634 / $7.0093 Buy Now

Part Details for LM2679T-ADJ/NOPB

LM2679T-ADJ/NOPB CAD Models

LM2679T-ADJ/NOPB Part Data Attributes

LM2679T-ADJ/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LM2679T-ADJ/NOPB Texas Instruments SIMPLE SWITCHER® 8V to 40V, 5A Step-Down DC/DC Switching Regulator with Adjustable Current Limit 7-TO-220 -40 to 125
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Package Description TO-220, 7 PIN
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 37V
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-XZFM-T7
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 7
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 ZIP
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Surface Mount NO
Switcher Configuration BUCK
Switching Frequency-Max 260 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form THROUGH-HOLE
Terminal Position ZIG-ZAG

LM2679T-ADJ/NOPB Related Parts

LM2679T-ADJ/NOPB Frequently Asked Questions (FAQ)

  • The maximum input voltage is 40V, but it's recommended to keep it below 30V for reliable operation.

  • The output voltage can be adjusted by connecting a resistor divider network between the output and the ADJ pin. The voltage is set by the ratio of the resistors and the internal reference voltage (1.21V).

  • The minimum input voltage is 7.5V, but it's recommended to keep it above 8V for reliable operation.

  • The LM2679T-ADJ/NOPB is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. Thermal management is crucial in high-temperature environments.

  • To ensure stability, use a minimum output capacitance of 22µF, and keep the ESR (Equivalent Series Resistance) below 1Ω. Additionally, use a low-ESR input capacitor (e.g., ceramic or film capacitor) to filter the input voltage.

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