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Power Circuits / Linear Regulator ICs / LM3940IMPX-3.3/NOPB
Datasheets
LM3940IMPX-3.3/NOPB by:

1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 4-SOT-223 -40 to 125

Part Details for LM3940IMPX-3.3/NOPB by Texas Instruments

Overview of LM3940IMPX-3.3/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.

Applications Industrial Automation Energy and Power Systems Renewable Energy

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 LM3940IMPX-3.3/NOPB

Part # Distributor Description Stock Price Buy
DISTI # 33AH4196
Newark Ldo, Fixed, 3.3V, 1A, Sot-223-4, Output Type:Fixed, Input Voltage Min:4.5V, Input Voltage Max:5.5V, Fixed Output Voltage Nom.:3.3V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1A, Dropout Voltage Rohs Compliant: Yes |Texas Instruments LM3940IMPX-3.3/NOPB RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 1913
  • 1 $2.1600
  • 10 $2.0700
  • 25 $1.9700
  • 50 $1.8800
  • 100 $1.8000
  • 250 $1.7400
  • 500 $1.7000
  • 1,000 $1.6700
$1.6700 / $2.1600 Buy Now
DISTI # LM3940IMPX-3.3/NOPBCT-ND
DigiKey IC REG LINEAR 3.3V 1A SOT223-4 Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 5343
In Stock
  • 1 $1.6300
  • 10 $1.1960
  • 25 $1.0868
  • 100 $0.9665
  • 250 $0.9091
  • 500 $0.8745
  • 1,000 $0.8460
  • 2,000 $0.8226
  • 4,000 $0.8033
  • 6,000 $0.7937
  • 10,000 $0.7830
$0.7830 / $1.6300 Buy Now
DISTI # 926-LM3940IMPX33NOPB
Mouser Electronics LDO Voltage Regulators 1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 4-SOT-223 -40 to 125 RoHS: Compliant 7843
  • 1 $1.6000
  • 10 $1.4800
  • 100 $1.2600
  • 250 $1.1500
  • 500 $1.0400
  • 1,000 $0.8560
  • 2,000 $0.7970
  • 4,000 $0.7680
  • 10,000 $0.7380
$0.7380 / $1.6000 Buy Now
DISTI # V72:2272_07275600
Arrow Electronics LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2325 Container: Cut Strips Americas - 1
  • 1 $0.7439
$0.7439 Buy Now
DISTI # LM3940IMPX-3.3NOPB
TME IC: voltage regulator, LDO,fixed, 3.3V, 1A, SOT223, SMD, reel,tape Min Qty: 1 214
  • 1 $1.9600
  • 5 $1.7200
  • 25 $1.5400
  • 100 $1.3700
  • 250 $1.2100
  • 1,000 $1.1200
$1.1200 / $1.9600 Buy Now
Ameya Holding Limited 1A Low Dropout Regulator for 5V to 3.3V Conversion 75023
RFQ
DISTI # C1S523900511976
Chip1Stop LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant pbFree: Yes Container: Cut Tape 3513
  • 1 $0.6740
$0.6740 Buy Now
CHIPMALL.COM LIMITED IC REG LINEAR 3.3V 1A SOT223-4 270
  • 1 $1.4564
  • 10 $1.2409
  • 100 $0.9499
  • 500 $0.8911
  • 1,000 $0.8639
$0.8639 / $1.4564 Buy Now
LCSC 1A Fixed 3.3V Positive electrode 7.5V SOT-223-4 Voltage Regulators - Linear Low Drop Out (LDO) Regulators ROHS 92
  • 1 $1.5114
  • 10 $1.2876
  • 30 $1.1647
  • 100 $0.9866
  • 500 $0.9252
  • 1,000 $0.8968
$0.8968 / $1.5114 Buy Now
Win Source Electronics IC REG LDO 3.3V 1A SOT223 14510
  • 55 $0.9521
  • 115 $0.8907
  • 175 $0.8600
  • 255 $0.7986
  • 330 $0.7679
  • 410 $0.7372
$0.7372 / $0.9521 Buy Now

Part Details for LM3940IMPX-3.3/NOPB

LM3940IMPX-3.3/NOPB CAD Models

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LM3940IMPX-3.3/NOPB Part Data Attributes

Parametric Data
LM3940IMPX-3.3/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LM3940IMPX-3.3/NOPB Texas Instruments 1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 4-SOT-223 -40 to 125
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, 3 PIN
Pin Count 3
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 0.31 V
Input Voltage Absolute-Max 7.5 V
Input Voltage-Max 5.5 V
Input Voltage-Min 4.5 V
JESD-30 Code R-PDSO-G4
JESD-609 Code e3
Length 6.5 mm
Line Regulation-Max 0.04%
Load Regulation-Max 0.08%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 4
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current1-Max 1 A
Output Voltage1-Max 3.47 V
Output Voltage1-Min 3.13 V
Output Voltage1-Nom 3.3 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 5.2%
Width 3.56 mm

Alternate Parts for LM3940IMPX-3.3/NOPB

This table gives cross-reference parts and alternative options found for LM3940IMPX-3.3/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 LM3940IMPX-3.3/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 Description Manufacturer Compare
LM3940IMP-3.3/NOPB 1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 4-SOT-223 -40 to 125 Texas Instruments LM3940IMPX-3.3/NOPB vs LM3940IMP-3.3/NOPB
LM3940IMPX-3.3/NOPB IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, ROHS COMPLIANT, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMPX-3.3/NOPB vs LM3940IMPX-3.3/NOPB
LM3940IMPX-3.3 IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMPX-3.3/NOPB vs LM3940IMPX-3.3
LM3940IMP-3.3 1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 4-SOT-223 -40 to 125 Texas Instruments LM3940IMPX-3.3/NOPB vs LM3940IMP-3.3
Part Number Description Manufacturer Compare
LX8117-33CDT Fixed Positive LDO Regulator, 3.3V, 1.2V Dropout, PSSO2, ROHS COMPLIANT, PLASTIC, TO-252, DPAK-3 Microsemi Corporation LM3940IMPX-3.3/NOPB vs LX8117-33CDT
SPX1587AT-L-1.5 Fixed Positive LDO Regulator, 1.5V, 1.2V Dropout, PSSO3, TO-263, 3 PIN Exar Corporation LM3940IMPX-3.3/NOPB vs SPX1587AT-L-1.5
KD1083V33 3.3V FIXED POSITIVE LDO REGULATOR, 1.4V DROPOUT, PSFM3, TO-220, 3 PIN STMicroelectronics LM3940IMPX-3.3/NOPB vs KD1083V33
LT1083CK-12 Fixed Positive LDO Regulator, 12V, 1.5V Dropout, MBFM2, HERMETIC SEALED, TO-3, 2 PIN Semtech Corporation LM3940IMPX-3.3/NOPB vs LT1083CK-12
MIC2950 Fixed Positive LDO Regulator, 5V, PBCY3, TO-92, 3 PIN Microchip Technology Inc LM3940IMPX-3.3/NOPB vs MIC2950
AIC1722A-33CXABG Fixed Positive LDO Regulator, 3.3V, CMOS, PSSO3, TO-243AA, SOT-89, 3 PIN Analog Integrations Corporation LM3940IMPX-3.3/NOPB vs AIC1722A-33CXABG
ADP3338AKCZ-2.85R7 High Accuracy Ultralow Quiescent Current, 1A, anyCAP® Dropout Regulator Analog Devices Inc LM3940IMPX-3.3/NOPB vs ADP3338AKCZ-2.85R7
SPX1117HM3-L-2-5 Fixed Positive LDO Regulator, 2.5V, 1.3V Dropout, BIPolar, PDSO4, ROHS COMPLIANT, TO-261AA, SOT-223, 4/3 PIN Exar Corporation LM3940IMPX-3.3/NOPB vs SPX1117HM3-L-2-5
LT1529IT-3.3#PBF 3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown Analog Devices Inc LM3940IMPX-3.3/NOPB vs LT1529IT-3.3#PBF
IMP37-33JCM/T Fixed Positive LDO Regulator, 3.3V, 0.95V Dropout, BIPolar, PSSO3, PLASTIC, TO-263, 3 PIN Imp Inc LM3940IMPX-3.3/NOPB vs IMP37-33JCM/T

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