Datasheets
LM3940IMP-3.3 by:

IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator

Part Details for LM3940IMP-3.3 by National Semiconductor Corporation

Overview of LM3940IMP-3.3 by National Semiconductor Corporation

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Applications Industrial Automation Energy and Power Systems Renewable Energy

Price & Stock for LM3940IMP-3.3

Part # Distributor Description Stock Price Buy
Bristol Electronics   1566
RFQ
Bristol Electronics   267
RFQ
Quest Components Voltage Regulator, +3.3V, Bi-Polar, 3 Pin, Plastic, SOT-223 12
  • 1 $3.3600
  • 2 $2.5200
  • 11 $2.1000
$2.1000 / $3.3600 Buy Now
Quest Components Voltage Regulator, +3.3V, Bi-Polar, 3 Pin, Plastic, SOT-223 60
  • 1 $4.0000
  • 9 $2.5000
  • 31 $2.2000
$2.2000 / $4.0000 Buy Now
Quest Components Voltage Regulator, +3.3V, Bi-Polar, 3 Pin, Plastic, SOT-223 163
  • 1 $5.7000
  • 8 $2.8500
  • 71 $2.6600
$2.6600 / $5.7000 Buy Now
Quest Components Voltage Regulator, +3.3V, Bi-Polar, 3 Pin, Plastic, SOT-223 816
  • 1 $2.8000
  • 215 $1.2950
  • 464 $1.1550
$1.1550 / $2.8000 Buy Now
Rochester Electronics LM3940 1A Low Dropout Regulator for 5V to 3.3V Conversion RoHS: Not Compliant Status: Not Recommended for New Designs Min Qty: 1 99
  • 1 $1.3200
  • 25 $1.2900
  • 100 $1.2400
  • 500 $1.1900
  • 1,000 $1.1200
$1.1200 / $1.3200 Buy Now
NexGen Digital   430
RFQ
Chip 1 Exchange INSTOCK 1707
RFQ
Component Electronics, Inc IN STOCK SHIP TODAY 1705
  • 1 $1.1500
  • 100 $0.8700
  • 1,000 $0.7500
$0.7500 / $1.1500 Buy Now

Part Details for LM3940IMP-3.3

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LM3940IMP-3.3 Part Data Attributes

LM3940IMP-3.3 National Semiconductor Corporation
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LM3940IMP-3.3 National Semiconductor Corporation IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator
Rohs Code No
Part Life Cycle Code Transferred
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP
Package Description SOT-223, 3 PIN
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Adjustability FIXED
Dropout Voltage1-Max 1 V
Dropout Voltage1-Nom 0.5 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 e0
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
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 Tin/Lead (Sn/Pb)
Terminal Form GULL WING
Terminal Pitch 2.3 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 40
Voltage Tolerance-Max 5.2%
Width 3.56 mm

Alternate Parts for LM3940IMP-3.3

This table gives cross-reference parts and alternative options found for LM3940IMP-3.3. 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 LM3940IMP-3.3, 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
LM3940IMPX-3.3 1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 4-SOT-223 -40 to 125 Texas Instruments LM3940IMP-3.3 vs LM3940IMPX-3.3
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 LM3940IMP-3.3 vs LM3940IMPX-3.3/NOPB
LM3940IMPX-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 LM3940IMP-3.3 vs LM3940IMPX-3.3/NOPB
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 LM3940IMP-3.3 vs LM3940IMP-3.3
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 LM3940IMP-3.3 vs LM3940IMPX-3.3
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 LM3940IMP-3.3 vs LM3940IMP-3.3/NOPB
Part Number Description Manufacturer Compare
LM2936MPX-3.3 IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO4, SOT-223, 4 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMP-3.3 vs LM2936MPX-3.3
LMS8117AMPX-1.8/NOPB IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, 1.25 V DROPOUT, PDSO4, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMP-3.3 vs LMS8117AMPX-1.8/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 LM3940IMP-3.3 vs LM3940IMPX-3.3
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 LM3940IMP-3.3 vs LM3940IMPX-3.3/NOPB
LMS8117AMP-1.8/NOPB IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, 1.25 V DROPOUT, PDSO4, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMP-3.3 vs LMS8117AMP-1.8/NOPB
SPX1521M3-3.3-L/TR Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, PDSO4, LEAD FREE, SOT-223, 3 PIN Exar Corporation LM3940IMP-3.3 vs SPX1521M3-3.3-L/TR
LM2937IMPX-2.5/NOPB IC VREG 2.5 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PDSO4, PLASTIC, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMP-3.3 vs LM2937IMPX-2.5/NOPB
LM2936MP-3.3 IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO4, SOT-223, 4 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMP-3.3 vs LM2936MP-3.3
LM2937IMP-2.5/NOPB IC VREG 2.5 V FIXED POSITIVE LDO REGULATOR, PDSO4, PLASTIC, SOT-223, 3 PIN, Fixed Positive Single Output LDO Regulator National Semiconductor Corporation LM3940IMP-3.3 vs LM2937IMP-2.5/NOPB
AZ1117BH-1.8TRE1 Fixed Positive LDO Regulator, 1.8V, 1.3V Dropout, BIPolar, PDSO3, ROHS COMPLIANT, SOT-223, 4 PIN Diodes-BCD LM3940IMP-3.3 vs AZ1117BH-1.8TRE1

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