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Power Circuits / Linear Regulator ICs / LM2940IMP-12/NOPB
Datasheets
LM2940IMP-12/NOPB by:
Texas Instruments
National Semiconductor Corporation
Texas Instruments
Not Found

1-A, 26-V, high-PSRR, low-dropout voltage regulator 4-SOT-223 -40 to 85

Part Details for LM2940IMP-12/NOPB by Texas Instruments

Results Overview of LM2940IMP-12/NOPB by Texas Instruments

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.

LM2940IMP-12/NOPB Information

LM2940IMP-12/NOPB by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs 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
DS96174CN/NOPB Rochester Electronics LLC DS96174 - Line Driver, 4 Func, 4 Driver, BIPolar, PDIP16
LM611IM/NOPB Rochester Electronics LLC LM611IM - Operational Amplifier, 7000uV Offset-Max, BIPolar

Price & Stock for LM2940IMP-12/NOPB

Part # Distributor Description Stock Price Buy
DISTI # 33AH4134
Newark Ic, V Reg, Linear, 12V, Smd, Output Type:Fixed, Input Voltage Min:0V, Input Voltage Max:26V, Fix... ed Output Voltage Nom.:12V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1A, Dropout Voltage Rohs Compliant: Yes |Texas Instruments LM2940IMP-12/NOPB more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 397
  • 1 $2.5400
  • 10 $2.4200
  • 25 $2.3100
  • 50 $2.2000
  • 100 $2.1100
  • 250 $2.0400
  • 500 $2.0000
  • 1,000 $1.9600
$1.9600 / $2.5400 Buy Now
DISTI # LM2940IMP-12/NOPBCT-ND
DigiKey IC REG LINEAR 12V 1A SOT-223-4 Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 3943
In Stock
  • 1 $1.9100
  • 10 $1.4070
  • 25 $1.2812
  • 100 $1.1426
  • 250 $1.0765
  • 500 $1.0367
  • 1,000 $1.0039
  • 2,000 $0.9769
  • 3,000 $0.9634
  • 5,000 $0.9485
  • 7,000 $0.9397
  • 10,000 $0.9313
$0.9313 / $1.9100 Buy Now
DISTI # 926-LM2940IMP-12NOPB
Mouser Electronics LDO Voltage Regulators 1A LDO REG A 926-LM2940IMPX12NOPB RoHS: Compliant 3671
  • 1 $1.9100
  • 10 $1.4100
  • 25 $1.2900
  • 100 $1.1500
  • 250 $1.0800
  • 500 $1.0400
  • 1,000 $1.0000
  • 2,000 $0.9830
  • 5,000 $0.9480
$0.9480 / $1.9100 Buy Now
Bristol Electronics   Min Qty: 2 12
  • 2 $2.8000
  • 10 $1.8200
$1.8200 / $2.8000 Buy Now
Quest Components 12 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4 9
  • 1 $3.7500
  • 4 $2.5000
$2.5000 / $3.7500 Buy Now
DISTI # LM2940IMP-12/NOPB
Chip One Stop Semiconductors RoHS: Compliant pbFree: Yes Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Cut Tape 249
  • 1 $1.7300
  • 10 $1.1700
  • 50 $1.1100
  • 100 $1.0900
  • 1,000 $1.0800
  • 2,000 $0.9730
$0.9730 / $1.7300 Buy Now
Vyrian Regulators 9702
RFQ

Part Details for LM2940IMP-12/NOPB

LM2940IMP-12/NOPB CAD Models

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LM2940IMP-12/NOPB Part Data Attributes

Parametric Data
LM2940IMP-12/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LM2940IMP-12/NOPB Texas Instruments 1-A, 26-V, high-PSRR, low-dropout voltage regulator 4-SOT-223 -40 to 85
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOT-223
Package Description GREEN, SOT-223, 4 PIN
Pin Count 4
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Adjustability FIXED
Dropout Voltage1-Max 1 V
Dropout Voltage1-Nom 0.5 V
Input Voltage Absolute-Max 60 V
Input Voltage-Max 26 V
Input Voltage-Min 13.6 V
JESD-30 Code R-PDSO-G4
JESD-609 Code e3
Length 6.5 mm
Line Regulation-Max 0.12%
Load Regulation-Max 0.2%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 4
Operating Temperature TJ-Max 85 °C
Operating Temperature TJ-Min -40 °C
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current1-Max 1 A
Output Voltage1-Max 12.6 V
Output Voltage1-Min 11.4 V
Output Voltage1-Nom 12 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOT-223
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1.8 mm
Surface Mount YES
Technology BIPOLAR
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 2.3 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 5%
Width 3.56 mm

Alternate Parts for LM2940IMP-12/NOPB

This table gives cross-reference parts and alternative options found for LM2940IMP-12/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 LM2940IMP-12/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
LM2940IMPX-12 National Semiconductor Corporation Check for Price IC VREG 12 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, SOT-223, 4 PIN, Fixed Positive Single Output LDO Regulator LM2940IMP-12/NOPB vs LM2940IMPX-12
LM2940IMPX-12 Texas Instruments Check for Price 12V FIXED POSITIVE LDO REGULATOR, 1V DROPOUT LM2940IMP-12/NOPB vs LM2940IMPX-12
LM2940IMP-12 National Semiconductor Corporation Check for Price IC VREG 12 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, SOT-223, 4 PIN, Fixed Positive Single Output LDO Regulator LM2940IMP-12/NOPB vs LM2940IMP-12
Part Number Manufacturer Composite Price Description Compare
LM2940IMPX-12/NOPB Texas Instruments Check for Price 1-A, 26-V, high-PSRR, low-dropout voltage regulator 4-SOT-223 -40 to 85 LM2940IMP-12/NOPB vs LM2940IMPX-12/NOPB

LM2940IMP-12/NOPB Related Parts

LM2940IMP-12/NOPB Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LM2940 is 26V, but it's recommended to keep it below 20V for reliable operation.

  • To ensure a stable and regulated output voltage, make sure to use the recommended output capacitor value (10uF) and keep the input voltage within the recommended range. Also, ensure good thermal dissipation and avoid overheating.

  • No, the LM2940 is a positive voltage regulator and cannot be used as a negative voltage regulator. For negative voltage regulation, consider using a different regulator IC, such as the LM2990.

  • The minimum input voltage required for the LM2940 to operate is 7.5V, but it's recommended to keep it above 10V for reliable operation.

  • The LM2940 is designed for low-to-medium current applications (up to 1A). For high-current loads, consider using a different regulator IC, such as the LM338 or LM350.