Linear Voltage Regulators
A Linear Voltage Regulator ensures the output voltage from the circuit is maintained at a specific voltage. The device acts as a variable resistor, continuously adjusting to maintain a constant output voltage. The regulated voltage must be lower than the input voltage. Simple voltage regulator contains a Zener Diode and a resistor but more complicated versions include elements like a voltage reference and error amplifiers.A more specific type of regulator are Low Dropout Voltage Regulators (LDO) which can regulate voltage even when the power supply voltage is very close to the supply voltage.How to choose linear voltage regulator ICs?The primary feature in choosing a regulator is usually the Output voltage as the main purpose of one is to regulate the voltage to a specific value such as 3.3V. Its accuracy to this voltage across temperature and load current is another consideration as is its maximum load. The dropout voltage value will be particularly important with battery applications.How to test a linear voltage regulator?Set your multimeter to the voltage settingCheck the datasheet to determine which pins are the ground, input and output.Attach the red wire to the input and the black wire to the ground, the multimeter should give a reading higher than the regulators’ output value. If not then there is a power supply issue.Attach the red to the ground and the black wire the output, the multimeter should then give the regulators’ output value (plus minus its accuracy). If not then the regulator is likely to be faulty.
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STMicroelectronics L79L05ACZ, 1 Linear Voltage, Voltage Regulator 100mA, -5 V 3-Pin, TO-92
IDR6,608.07 -
STMicroelectronics L78L05ACZ, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, TO-92
IDR7,761.86 -
STMicroelectronics, -5 V Linear Voltage Regulator, 1.5A, 1-Channel Negative 3-Pin, TO-220 L7905CV
IDR8,496.09 -
STMicroelectronics, 12 V Linear Voltage Regulator, 1A, 1-Channel, 2% 3-Pin, TO-220 L7812ACV
IDR11,328.12 -
STMicroelectronics L7915CV, 1 Linear Voltage, Voltage Regulator 1.5A, -15 V 3-Pin, TO-220
IDR12,481.91 -
STMicroelectronics L7805ACV Linear Voltage Regulator, 1A, 5 V, 2% 3-Pin, TO-220
IDR12,586.80 -
STMicroelectronics L78M12CV, 1 Linear Voltage, Voltage Regulator 500mA, 12 V 3-Pin, TO-220
IDR12,796.58 -
ON Semiconductor, -37 → -1.2 V Linear Voltage Regulator, 1.5A, 1-Channel Negative, Adjustable 3-Pin, TO-220
IDR13,216.14 -
Texas Instruments LM317LZ/NOPB, 1 Linear Voltage, Voltage Regulator 100mA, 1.2 → 37 V 3-Pin, TO-92
IDR13,216.14 -
STMicroelectronics LM217T, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, TO-220
IDR13,740.59 -
Texas Instruments LM337LM/NOPB, 1 Linear Voltage, Voltage Regulator 100mA, -37 → -1.2 V 8-Pin, SOIC
IDR13,950.37 -
onsemi MC78M05BDTRKG, 1 Linear Voltage, Voltage Regulator 700mA, 5 V 3-Pin, DPAK
IDR15,313.94Pack (1 Pack of 2) -
onsemi MC78M05CDTRKG, 1 Linear Voltage, Voltage Regulator 700mA, 5 V 3-Pin, DPAK
IDR15,838.39Pack (1 Pack of 2) -
onsemi MC7805CDTRKG, 1 Linear Voltage, Voltage Regulator 2.2A, 5 V 3-Pin, DPAK
IDR16,572.62Pack (1 Pack of 2) -
onsemi LM317MDTRKG, 1 Linear Voltage, Voltage Regulator 250mA, 1.2 → 37 V 3-Pin, DPAK
IDR17,097.07Pack (1 Pack of 2) -
Texas Instruments LM7912CT/NOPB, 1 Linear Voltage, Voltage Regulator 1.5A, -12 V 3-Pin, TO-220
IDR18,880.20 -
STMicroelectronics, 5 V Linear Voltage Regulator, 1.5A, 1-Channel 3-Pin, TO-220FP L7805CP
IDR19,089.98 -
onsemi LM317D2TR4G, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, D2PAK
IDR24,019.81Pack (1 Pack of 2) -
Texas Instruments LM317AT/NOPB, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, TO-220
IDR29,264.31 -
onsemi MC78L05ACPG, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, TO-92
IDR30,103.43Pack (1 Pack of 5) -
Texas Instruments LM317S/NOPB, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, D2PAK (TO-263)
IDR31,991.45 -
onsemi MC78L12ACPG, 1 Linear Voltage, Voltage Regulator 100mA, 12 V 3-Pin, TO-92
IDR37,026.17Tape (1 Tape of 5) -
Texas Instruments LM317T/NOPB, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, TO-220
IDR52,759.67 -
ON Semiconductor, 15 V Linear Voltage Regulator, 1A, 1-Channel, ±2% 3-Pin, TO-220 MC7815ABTG
IDR56,850.38Tube (1 Tube of 5)