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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REG,3TERMINAL,VO=5.0V,IOUT=1.5A,TO-220F
- RS Stock No.
- 6571003
IDR61,255.76Each (1 Each of 5) -
DiodesZetex AS78L05ZTR-E1, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, TO-92
IDR142,545.51Tape (1 Tape of 100) -
STMicroelectronics LM317T-DG, 1 Linear Voltage, Voltage Regulator 500mA, 1.2 → 37 V 3-Pin, TO-220
IDR288,971.95Pack (1 Pack of 25) -
STMicroelectronics LM317BT, 1 Linear Voltage, Voltage Regulator 2.2A, 1.2 → 37 V 3-Pin, TO-220
IDR83,702.22Pack (1 Pack of 10) -
Texas Instruments UA7805CKTTR, 1 Linear Voltage, Voltage Regulator 1.5A, 5 V 3-Pin, D2PAK (TO-263)
IDR123,665.31Reel (1 Reel of 10) -
Texas Instruments LM7805CT/NOPB, 1 Linear Voltage, Voltage Regulator 1A, 5 V 3-Pin, TO-220
IDR224,359.71Pack (1 Pack of 5) -
STMicroelectronics L7812CV-DG, 1 Linear Voltage, Voltage Regulator 1.5A, 12 V 3-Pin, TO-220
IDR150,726.93Pack (1 Pack of 10) -
onsemi MC7824BTG, 1 Linear Voltage, Voltage Regulator 1A, 24 V 3-Pin, TO-220
IDR89,785.84Pack (1 Pack of 10) -
STMicroelectronics L78L05ABZ-TR, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, TO-92
IDR103,001.98Pack (1 Pack of 20) -
STMicroelectronics, 1.2 → 37 V Linear Voltage Regulator, 1.5A, 1-Channel, Adjustable 3-Pin, TO-220 LM317T
IDR101,323.74Tube (1 Tube of 10) -
STMicroelectronics L7912CV, 1 Linear Voltage, Voltage Regulator 1.5A, -12 V 3-Pin, TO-220
IDR85,170.68Pack (1 Pack of 10) -
STMicroelectronics L7809CV, 1 Linear Voltage, Voltage Regulator 1.5A, 9 V 3-Pin, TO-220
IDR98,386.82Pack (1 Pack of 10) -
Nisshinbo Micro Devices NJM78L05UA-TE1, 1 Linear Voltage, Voltage Regulator 100mA, 5 V 3-Pin, SOT-89
IDR63,248.67Pack (1 Pack of 5) -
STMicroelectronics, 8 V Linear Voltage Regulator, 1A, 1-Channel, 2% 3-Pin, TO-220 L7808ABV
IDR221,947.24Tube (1 Tube of 25) -
STMicroelectronics, -12 V Linear Voltage Regulator, 1.5A, 1-Channel Negative, ±2% 3-Pin, TO-220 L7912ACV
IDR112,022.52Tube (1 Tube of 10) -
STMicroelectronics, 10 V Linear Voltage Regulator, 2A, 1-Channel 3-Pin, TO-220 L78S10CV
IDR143,489.52Tube (1 Tube of 10) -
STMicroelectronics L79L05ABUTR, 1 Linear Voltage, Voltage Regulator 100mA, -5 V 3-Pin, SOT-89
IDR105,834.01Pack (1 Pack of 25) -
Texas Instruments LM350K STEEL/NOPB , 1 Linear Voltage, Voltage Regulator 3A, 1.2 → 33 V 3-Pin, TO-3
IDR1,350,773.42 -
Texas Instruments UA7812CKCS, 1 Linear Voltage, Voltage Regulator 1.5A, 12 V 3-Pin, TO-220
IDR68,388.28Tube (1 Tube of 5) -
-10.00%
Texas Instruments UA7810CKCS, 1 Linear Voltage, Voltage Regulator 1.5A, 10 V 3-Pin, TO-220
IDR64,822.02IDR61,989.99Pack (1 Pack of 5) -
Texas Instruments LM317DCY, 1 Linear Voltage, Voltage Regulator 1.5A, 1.25 → 37 V 3+Tab-Pin, SOT-223
IDR95,659.68Pack (1 Pack of 5) -
Texas Instruments LM317KCS, 1 Linear Voltage, Voltage Regulator 1.5A, 1.25 → 37 V 3-Pin, TO-220
IDR61,150.87Tube (1 Tube of 5) -
Texas Instruments UA7815CKCS, 1 Linear Voltage, Voltage Regulator 1.5A, 15 V 3-Pin, TO-220
IDR68,912.73Pack (1 Pack of 5) -
Texas Instruments LM337LM/NOPB, 1 Linear Voltage, Voltage Regulator 100mA, -37 → -1.2 V 8-Pin, SOIC
IDR13,950.37