Texas Instruments LM3940IT-3.3

1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 3-TO-220 -40 to 125
Production

Price and Stock

Authorized Distributors
Non-Authorized Stocking Distributors
Non-Authorized Dealers

Technical Specifications

Physical
Case/PackageTO-220
MountThrough Hole
Number of Pins3
Technical
Current Rating1 A
Dropout Voltage500 mV
Max Input Voltage7.5 V
Max Operating Temperature125 °C
Max Output Current1 A
Min Input Voltage0 V
Min Operating Temperature-40 °C
Nominal Output Voltage3.3 V
Number of Outputs1
Number of Regulators1
Output Current1 A
Output TypeFixed
Output Voltage3.3 V
PolarityPositive
Quiescent Current15 mA
Schedule B8542390000
Dimensions
Height4.7 mm
Length14.986 mm
Thickness4.572 mm
Width10.16 mm

Documents

Download datasheets and manufacturer documentation for Texas Instruments LM3940IT-3.3.

Texas Instruments
Official datasheet0 pages0 years ago
Datasheet23 pages9 years ago
Datasheet18 pages11 years ago
Technical Drawing2 pages11 years ago
Datasheet13 pages11 years ago
element14 APAC
Datasheet24 pages9 years ago
Verical
Datasheet14 pages12 years ago
National Semiconductor
Datasheet12 pages16 years ago
DigiKey
Datasheet11 pages21 years ago
Newark
Datasheet18 pages9 years ago
Datasheet18 pages10 years ago
iiiC
Datasheet14 pages12 years ago

Inventory History

3 month trend:
+18.65%

Supply Chain

Lifecycle StatusProduction (Last Updated: 21 hours ago)
Manufacturer Lifecycle StatusLIFEBUY (Last Updated: 21 hours ago)

Engineering Resources

View Evaluation kits and Reference designs for Texas Instruments LM3940IT-3.3.

Related Parts

Descriptions

Descriptions of Texas Instruments LM3940IT-3.3 provided by its distributors.

1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion 3-TO-220 -40 to 125
LDO Regulator Pos 3.3V 1A 3-Pin(3+Tab) TO-220 Rail
EP4CE15F23C7N, FPGA Cyclone IV E 15408 Cells, 504kbit, 963 Blocks, 1.151.25 V 484-Pin FBGA
Fixed Positive LDO Regulator, 3.3V, 1V Dropout, BIPolar, PSFM3
IC, V REG LDO +3.3V, 3940, TO-220-3; Primary Input Voltage:5V; Output Voltage Fixed:3.3V; Dropout Voltage Vdo:110mV; No. of Pins:3; Output Current:1A; Voltage Regulator Case Style:TO-220; Operating Temperature Range:-40°C to +125°C; SVHC:No SVHC (19-Dec-2011); Base Number:3940; IC Generic Number:3940; Input Voltage Max:5V; Logic Function Number:3940; No. of Outputs:1; Operating Temperature Max:125°C; Operating Temperature Min:-40°C; Output Current Max:1A; Output Voltage:3.3V; Output Voltage Max:3.3V; Package / Case:TO-220; Power Supply IC Type:DC / DC Converter; Supply Voltage Max:5.5V; Supply Voltage Min:4.5V; Termination Type:Through Hole; Voltage Regulator Type:Positive Fixed LDO

Manufacturer Aliases

Texas Instruments has several brands around the world that distributors may use as alternate names. Texas Instruments may also be known as the following names:

  • TI
  • TEXAS
  • TEXAS INST
  • TEXAS INSTR
  • TEXAS INSTRUMENT
  • TEXAS INS
  • TEXAS INSTRUMENTS INC
  • TEXAS INSTRU
  • TEXAS INSTRUMEN
  • TI/NS
  • TEX
  • Texas Instruments (TI)
  • TEXASIN
  • TEXAS INSTRUMENTS INCORPORATED
  • TEXINS
  • TEXAS INTRUMENTS
  • TEAXS
  • TEXASI
  • TEXAS INSTRUM
  • TI Texas Instruments
  • TEXAS USD
  • TEXAS INSRUMENTS
  • TEXAS INSRUMENT
  • TEXAS INSTUMENTS
  • TEXAS INTRUMENT
  • Texas Instr.
  • Texas Instruments Inc.

Part Number Aliases

This part may be known by these alternate part numbers:

  • LM3940IT-3.3.
  • LM3940IT3.3

Technical Specifications

Physical
Case/PackageTO-220
MountThrough Hole
Number of Pins3
Technical
Current Rating1 A
Dropout Voltage500 mV
Max Input Voltage7.5 V
Max Operating Temperature125 °C
Max Output Current1 A
Min Input Voltage0 V
Min Operating Temperature-40 °C
Nominal Output Voltage3.3 V
Number of Outputs1
Number of Regulators1
Output Current1 A
Output TypeFixed
Output Voltage3.3 V
PolarityPositive
Quiescent Current15 mA
Schedule B8542390000
Dimensions
Height4.7 mm
Length14.986 mm
Thickness4.572 mm
Width10.16 mm

Documents

Download datasheets and manufacturer documentation for Texas Instruments LM3940IT-3.3.

Texas Instruments
Official datasheet0 pages0 years ago
Datasheet23 pages9 years ago
Datasheet18 pages11 years ago
Technical Drawing2 pages11 years ago
Datasheet13 pages11 years ago
element14 APAC
Datasheet24 pages9 years ago
Verical
Datasheet14 pages12 years ago
National Semiconductor
Datasheet12 pages16 years ago
DigiKey
Datasheet11 pages21 years ago
Newark
Datasheet18 pages9 years ago
Datasheet18 pages10 years ago
iiiC
Datasheet14 pages12 years ago

Compliance

Environmental Classification
Lead FreeContains Lead
Radiation HardeningNo
REACH SVHCNo SVHC
RoHSCompliant
Compliance Statements
Conflict Mineral Statement2 pages11 years ago
Reach Statement7 pages10 years ago