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Details for LM3940IT-3.3/NOPB by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
LM3940IT-3.3/NOPB
Buy Directly from Texas Instruments (6303 in stock) $0.6200
IC V REG LINEAR 3.3V
LM3940IT-3.3/NOPB image

LM3940IT-3.3/NOPB by Texas Instruments

IC V REG LINEAR 3.3V
Features
Built-in Protection against Excess Temperature
Excellent Load Regulation
Input Voltage Range: 4.5 V to 5.5 V
Output Voltage Specified over Temperature
Requires only One External Component
Short-Circuit Protected
Specified 1-A Output Current
Part Information
LM3940IT-3.3/NOPB image
RoHS Compliant
Description
The LM3940 is a 1-A low-dropout regulator designed to provide 3.3 V from a 5-V supply. The LM3940 is ideally suited for systems which contain both 5-V and 3.3-V logic, with prime power provided from a 5-V bus. Because the LM3940 is a true low dropout regulator, it can hold its 3.3-V output in regulation with input voltages as low as 4.5 V. The TO-220 package of the LM3940 means that in most applications the full 1 A of load current can be delivered without using an additional heatsink. The surface mount DDPAK/TO-263 package uses minimum board space, and gives excellent power dissipation capability when soldered to a copper plane on the PC board.
Specifications
Output Type:
Fixed
Input Voltage Min:
0V
Input Voltage Max:
7.5V
Fixed Output Voltage Nom.:
3.3V
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Output Current:
1A
Dropout Voltage Vdo:
500mV
LDO Regulator Case Style:
TO-220
No. of Pins:
3Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
3.3V 1A LDO Voltage Regulators
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +125°C
Output Voltage Nom.:
3.3V
Primary Input Voltage:
5V
Supply Voltage Max:
7.5V
Supply Voltage Min:
4.5V
Termination Type:
Through Hole
Voltage Regulator Type:
LDO Fixed Positive
Alternate Descriptions
1A,3.3V,LDO Voltage Reg.,LM3940IT-3.3 RS Components
LDO VOLTAGE REGULATOR, 3.3V, 1A, TO-220; Output Type:Fixed; Input Voltage Min:0V; Input Voltage Max:7.5V; Fixed Output Voltage Nom.:3.3V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:1A; MSL:- RoHS Compliant: Yes Newark Electronics
LDO Regulator Pos 3.3V 1A 3-Pin(3+Tab) TO-220 Rail Avnet America
IC: voltage regulator; LDO, fixed; 3.3V; 1A; TO220-3; THT; -40÷125°C Transfer Multisort Elektronik
LDO Regulator Pos 3.3V 1A 3-Pin(3+Tab) TO-220 Rail Avnet Europe
LDO U-Reg +3,3V 1A TO220 Schukat Electronic
1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion Texas Instruments
LDO Voltage Regulator [Texas Instruments] LM3940IT-3.3/NOPB LDO Voltage Regulator Distrelec