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Details for LM2940SX-12/NOPB by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
LDO FIXED 5V 0.5A TO-263-3
LM2940SX-12/NOPB image

LM2940SX-12/NOPB by Texas Instruments

LDO FIXED 5V 0.5A TO-263-3
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
Reverse Battery Protection
Part Information
LM2940SX-12/NOPB image
RoHS Compliant
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.
Output Type:
Input Voltage Min:
Input Voltage Max:
Fixed Output Voltage Nom.:
Adjustable Output Voltage Min:
Adjustable Output Voltage Max:
Output Current:
Dropout Voltage Vdo:
LDO Regulator Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
12V 1A LDO Voltage Regulators
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (27-Jun-2018)
Alternate Descriptions
LDO Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 T/R Avnet America
LDO Regulator Pos 12V 1A 4-Pin(3+Tab) TO-263 T/R Avnet Europe