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Details for LM2940S-12/NOPB by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
IC REG LDO 12V 1A TO263
LM2940S-12/NOPB image

LM2940S-12/NOPB by Texas Instruments

IC REG LDO 12V 1A TO263
Features
Dropout Voltage Typically 0.5 V at IOUT = 1 A
Input Voltage Range = 6 V to 26 V
Internal Short Circuit Current Limit
Mirror Image Insertion Protection
Output Current in Excess of 1 A
Output Voltage Trimmed Before Assembly
P+
Reverse Battery Protection
Part Information
LM2940S-12/NOPB image
RoHS Compliant
Description
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-263
No. of Pins:
3Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
12V 1A LDO Voltage Regulators
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +125°C
Output Voltage Min:
11.64V
Output Voltage Nom.:
12V
Primary Input Voltage:
26V
Supply Voltage Min:
13.6V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Fixed
Alternate Descriptions
1A Low Dropout Regulator LM2940S-12 RS Components
IC, REG, LDO, 12V, 1A, TO263; 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 RoHS Compliant: Yes Newark Electronics
LDO Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 Rail Avnet America
IC: voltage regulator; LDO, fixed; 12V; 1A; TO263-3; SMD; -40÷125°C Transfer Multisort Elektronik
LDO Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 Rail Avnet Europe
LDO Voltage Regulator [Texas Instruments] LM2940S-12/NOPB LDO Voltage Regulator Distrelec