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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Analog Devices LT1033CT#PBF, 1 Linear Voltage, Voltage Regulator 3A, -1.2 → -32 V 3-Pin, TO-220
VND651,372.00Pack (1 Pack of 2) -
DiodesZetex AS78L05ZTR-E1, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, TO-92
VND263,976.00Pack (1 Pack of 100) -
Microchip LR8N3-G, 1 Linear Voltage, Voltage Regulator 30mA, 1.2 → 440 V 3-Pin, TO-92
VND219,708.00Pack (1 Pack of 10) -
National Semiconductor, 1.2 → 37 V Linear Voltage Regulator, 100mA, 1-Channel, Adjustable 3-Pin, TO-92
VND20,400.00 -
National Semiconductor, 15 V Linear Voltage Regulator, 100mA, 1-Channel, ±5% 3-Pin, TO-92 LM78L15ACZ/NOPB
VND91,596.00Pack (1 Pack of 5) -
National Semiconductor, 5 V Linear Voltage Regulator, 100mA, 1-Channel, ±5% 3-Pin, TO-92 LM78L05ACZ/NOPB
VND218,484.00Pack (1 Pack of 5) -
Nisshinbo Micro Devices NJM78L05UA-TE1, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, SOT-89
VND112,812.00Pack (1 Pack of 5) -
ON Semiconductor LM317MABDTG, 1 Linear Voltage, Voltage Regulator 500mA, 1.2 → 37 V 3-Pin, DPAK
VND159,120.00Pack (1 Pack of 10) -
ON Semiconductor MC78L05ACPG, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, TO-92
VND60,996.00Pack (1 Pack of 5) -
ON Semiconductor, -37 → -1.2 V Linear Voltage Regulator, 1.5A, 1-Channel Negative, Adjustable 3-Pin, TO-220
VND33,864.00 -
onsemi LM317D2TG, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, D2PAK
VND237,864.00Pack (1 Pack of 10) -
onsemi LM317D2TR4G, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, D2PAK
VND35,700.00Reel (1 Reel of 2) -
onsemi LM317MDTRKG, 1 Linear Voltage, Voltage Regulator 250mA, 1.2 → 37 V 3-Pin, DPAK
VND34,884.00Reel (1 Reel of 2) -
onsemi LM317TG, 1 Linear Voltage, Voltage Regulator 2.2A, 1.2 → 37 V 3-Pin, TO-220
VND914,736.00Tube (1 Tube of 50) -
onsemi MC7805ACTG, 1 Linear Voltage, Voltage Regulator 1A, 5 V 3-Pin, TO-220
VND363,120.00Pack (1 Pack of 20) -
onsemi MC7805BDTRKG, 1 Linear Voltage, Voltage Regulator 2.2A, 5 V 3-Pin, DPAK
VND312,936.00Pack (1 Pack of 25) -
onsemi MC7805CDTRKG, 1 Linear Voltage, Voltage Regulator 2.2A, 5 V 3-Pin, DPAK
VND34,884.00Reel (1 Reel of 2) -
onsemi MC7809ACTG, 1 Linear Voltage, Voltage Regulator 2.2A, 9 V 3-Pin, TO-220
VND738,480.00Tube (1 Tube of 50) -
onsemi MC7809ACTG, 1 Linear Voltage, Voltage Regulator 2.2A, 9 V 3-Pin, TO-220
VND211,956.00Pack (1 Pack of 10) -
onsemi MC7812CTG, 1 Linear Voltage, Voltage Regulator 1A, 12 V 3-Pin, TO-220
VND682,176.00Tube (1 Tube of 50) -
onsemi MC7815ABTG, 1 Linear Voltage, Voltage Regulator 1A, 15 V 3-Pin, TO-220
VND109,140.00Pack (1 Pack of 5) -
onsemi MC7815CD2TR4G, 1 Linear Voltage, Voltage Regulator 2.2A, 15 V 3-Pin, D2PAK
VND387,600.00Pack (1 Pack of 20) -
onsemi MC7818ACTG, 1 Linear Voltage, Voltage Regulator 2.2A, 18 V 3-Pin, TO-220
VND209,712.00Pack (1 Pack of 10) -
onsemi MC7824ACTG, 1 Linear Voltage, Voltage Regulator 1A, 24 V 3-Pin, TO-220
VND775,608.00Tube (1 Tube of 50)