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Power Circuits / Switching Regulator or Controllers / L7980ATR
Datasheets
L7980ATR by: STMicroelectronics

2 A step-down switching regulator

Part Details for L7980ATR by STMicroelectronics

Results Overview of L7980ATR by STMicroelectronics

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.

L7980ATR Information

L7980ATR by STMicroelectronics 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.

Price & Stock for L7980ATR

Part # Distributor Description Stock Price Buy
DISTI # 497-10721-1-ND
DigiKey IC REG BUCK ADJ 2A 8HSOP Min Qty: 1 Lead time: 12 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 35521
In Stock
  • 1 $2.0300
  • 10 $1.5020
  • 25 $1.3684
  • 100 $1.2220
  • 250 $1.1521
  • 500 $1.1099
  • 1,000 $1.0752
  • 2,500 $0.9365
$0.9365 / $2.0300 Buy Now
DISTI # L7980ATR
Avnet Americas Conv DC-DC Single Step Down 4.5V to 28V 8-Pin HSOP EP T/R - Tape and Reel (Alt: L7980ATR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks, 0 Days Container: Reel 0
  • 2,500 $0.9167
  • 5,000 $0.9109
  • 10,000 $0.8941
  • 15,000 $0.8778
  • 20,000 $0.8621
$0.8621 / $0.9167 Buy Now
DISTI # 511-L7980ATR
Mouser Electronics Switching Voltage Regulators 2 A Step-Down Reg 4.5V to 28V 250 kHz RoHS: Compliant 12656
  • 1 $2.0300
  • 10 $1.5100
  • 25 $1.3700
  • 100 $1.2300
  • 250 $1.1600
  • 500 $1.1100
  • 1,000 $1.0700
  • 2,500 $0.9360
$0.9360 / $2.0300 Buy Now
DISTI # V36:1790_06552979
Arrow Electronics Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 2A 8-Pin HSOP EP T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Date Code: 2306 Americas - 10000
  • 2,500 $1.0101
$1.0101 Buy Now
STMicroelectronics 2 A step-down switching regulator RoHS: Compliant Min Qty: 1 12656
  • 1 $1.9900
  • 10 $1.4800
  • 25 $1.3400
  • 100 $1.2100
  • 250 $1.1400
  • 500 $1.0900
$1.0900 / $1.9900 Buy Now
DISTI # 66922598
Verical Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 2A 8-Pin HSOP EP T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Date Code: 2306 Americas - 10000
  • 2,500 $0.8449
$0.8449 Buy Now
Bristol Electronics   Min Qty: 2 4
  • 2 $3.0000
$3.0000 Buy Now
Quest Components   3
  • 1 $4.0000
  • 2 $3.0000
$3.0000 / $4.0000 Buy Now
Future Electronics L7980 Series 4.5 V to 28 Vin 2 A Step-Down Switching Regulator - HSOP 8L Min Qty: 2500 Package Multiple: 2500 2500
null
  • 2,500 $0.9200
  • 5,000 $0.9100
  • 7,500 $0.8950
$0.8950 / $0.9200 Buy Now
DISTI # L7980ATR
Avnet Silica Conv DCDC Single Step Down 45V to 28V 8Pin HSOP EP TR (Alt: L7980ATR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 13 Weeks, 0 Days Silica - 70000
Buy Now
DISTI # L7980ATR
EBV Elektronik Conv DCDC Single Step Down 45V to 28V 8Pin HSOP EP TR (Alt: L7980ATR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 13 Weeks, 0 Days EBV - 0
Buy Now
Vyrian Other Function Semiconductors 20123
RFQ
Win Source Electronics IC REG BUCK ADJUSTABLE 2A 8HSOP 35670
  • 35 $1.6796
  • 85 $1.3781
  • 130 $1.3352
  • 180 $1.2921
  • 235 $1.2490
  • 310 $1.1198
$1.1198 / $1.6796 Buy Now

Part Details for L7980ATR

L7980ATR CAD Models

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L7980ATR Part Data Attributes

Parametric Data
L7980ATR STMicroelectronics
Buy Now Datasheet
Compare Parts:
L7980ATR STMicroelectronics 2 A step-down switching regulator
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 12 Weeks
Samacsys Manufacturer STMicroelectronics
Additional Feature CAN ALSO AS ADJUSTABLE DOWN TO 0.6V
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 28 V
Input Voltage-Min 4.5 V
Input Voltage-Nom 12 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 4.9 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 3.5 A
Package Body Material PLASTIC/EPOXY
Package Code HLSOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.7 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 1000 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

Alternate Parts for L7980ATR

This table gives cross-reference parts and alternative options found for L7980ATR. 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 L7980ATR, 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
L7980A STMicroelectronics $1.0018 2 A step-down switching regulator L7980ATR vs L7980A
LM22670TJE-ADJ/NOPB Texas Instruments $2.9166 4.5V to 42V, 3A SIMPLE SWITCHER® buck converter with frequency synchronization 7-TO-263 -40 to 125 L7980ATR vs LM22670TJE-ADJ/NOPB
LM22670QTJE-ADJ/NOPB Texas Instruments Check for Price 3A SIMPLE SWITCHER, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Freq 7-TO-263 -40 to 125 L7980ATR vs LM22670QTJE-ADJ/NOPB
LM22670QTJ-ADJ Texas Instruments Check for Price 5.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, PSSO7, PLASTIC, TO-263, 7 PIN L7980ATR vs LM22670QTJ-ADJ
LM22670TJE-ADJ Texas Instruments Check for Price 5.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, PSSO7, PLASTIC, TO-263, 7 PIN L7980ATR vs LM22670TJE-ADJ
LM22670QTJE-ADJ Texas Instruments Check for Price 5.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, PSSO7, PLASTIC, TO-263, 7 PIN L7980ATR vs LM22670QTJE-ADJ

L7980ATR Related Parts

L7980ATR Frequently Asked Questions (FAQ)

  • The L7980ATR can handle a maximum input voltage of 30V, but it's recommended to keep it below 28V for reliable operation.

  • To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the output voltage within the recommended range of 1.5V to 15V.

  • The L7980ATR can provide a maximum output current of 3A, but it's recommended to keep it below 2.5A for reliable operation and to prevent overheating.

  • To protect the L7980ATR from overheating, make sure to provide adequate heat sinking, keep the device away from high-temperature sources, and ensure good airflow around the device.

  • Yes, the L7980ATR is suitable for high-reliability applications, but it's essential to follow the recommended operating conditions, and to perform thorough testing and validation to ensure the device meets the required reliability standards.

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