LM2940CT-12/NOPB

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Details for Texas Instruments

LM2940CT-12/NOPB

1A Low Dropout Regulator
Buy Directly from Texas Instruments (5549 in Stock)
$0.5900 per unit
Series Information for LM2940CT-12/NOPB - Texas Instruments

Features

  • feature
    Dropout Voltage Typically 0.5 V at IOUT = 1 A
  • feature
    Input Voltage Range = 6 V to 26 V
  • feature
    Internal Short Circuit Current Limit
  • feature
    Mirror Image Insertion Protection
  • feature
    Output Current in Excess of 1 A
  • feature
    Output Voltage Trimmed Before Assembly
  • feature
    P+
  • feature
    Reverse Battery Protection

Description

IC V REG LDO +12V 2940 TO-220-3
The LM2940-N and LM2940C positive voltage regulators feature the ability to source 1 A of output current with a dropout voltage of typically 0.5 V and a maximum of 1 V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3 V. The quiescent current with 1 A of output current and an input-output differential of 5 V is therefore only 30 mA. Higher quiescent currents only exist when the regulator is in the dropout mode (VIN − VOUT ≤ 3 V). Designed also for vehicular applications, the LM2940N and LM2940C and all regulated circuitry are protected from reverse battery installations or 2battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. The LM2940-N and LM2940C cannot be harmed by temporary mirrorimage insertion. Familiar regulator features such as short circuit and thermal overload protection are also provided.

Specifications

Output Type:
Fixed
Input Voltage Min:
0V
Input Voltage Max:
26V
Fixed Output Voltage Nom.:
12V
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:
0°C
Operating Temperature Max:
125°C
Product Range:
12V 1A LDO Voltage Regulators
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Base Number:
2940
Device Marking:
LM2940CT-12
No. of Outputs:
1Outputs
Operating Temperature Range:
0°C to +125°C
Output Voltage Nom.:
12V
Primary Input Voltage:
17V
Supply Voltage Max:
26V
Supply Voltage Min:
13.6V
Voltage Regulator Type:
Positive Fixed LDO

Alternate Descriptions

Avnet America

LDO Regulator Pos 12V 1A 3-Pin(3+Tab) TO-220 Rail

Avnet America product

Rapid Electronics

Texas Instruments LM2940CT-12 12V 1A Low Dropout Regulator

Avnet Europe

LDO Regulator Pos 12V 1A 3-Pin(3+Tab) TO-220 Rail

Avnet Europe product

Texas Instruments

1A Low Dropout Regulator

Texas Instruments product

Distrelec

1.08

Distrelec product

Conrad

The low-drop voltage regulator is characterized by a low power loss. While the conventional regulators need a differential input/output voltage of approx. 2 - 3 V, 0.5 - 1 V is enough here. The intrinsic heating of the component is reduced strongly and hence the life is enhanced. Thermally protected and short-circuit-proof · Protected against overvoltage.

Conrad product