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?


  1. Set your multimeter to the voltage setting
  2. Check the datasheet to determine which pins are the ground, input and output.
  3. 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.
  4. 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.

...
Lees meer Lees minder

Filters

81 - 100 van 1933 producten worden weergegeven
Resultaten per pagina
Omschrijving Prijs Output Voltage Maximum Output Current Output Type Package Type Mounting Type Minimum Input Voltage Maximum Input Voltage Pin Count Power Rating Minimum Operating Temperature Maximum Operating Temperature Number of Outputs Polarity Accuracy
RS-stocknr. 168-6797
FabrikantnummerL7809CV
€ 0,334
Each (In a Tube of 50)
Aantal stuks
9 V 1.5A Fixed TO-220 Through Hole - 35 V 3 - 0 °C +125 °C 1 Positive 2%
RS-stocknr. 686-9827
FabrikantnummerL7812ABV
€ 0,408
Each (In a Pack of 25)
Aantal stuks
12 V 1A Fixed TO-220 Through Hole - 35 V 3 - -40 °C +125 °C 1 Positive 2%
RS-stocknr. 100-0718
FabrikantnummerLM340T-12/NOPB
€ 1,154
Each (In a Tube of 45)
Aantal stuks
12 V 1A Fixed TO-220 Through Hole 14.6 V 35 V 3 - 0 °C +125 °C 1 Positive ±2%
RS-stocknr. 102-5717
FabrikantnummerLM78L05ACZ/NOPB
€ 0,237
Each (On a Reel of 1800)
Aantal stuks
5 V 100mA Fixed TO-92 Through Hole 6.7 V 35 V 3 0.75W 0 °C +125 °C 1 Positive ±5%
RS-stocknr. 103-5083
FabrikantnummerNCP7805TG
FabrikantON Semiconductor
€ 0,41
Each (In a Tube of 50)
Aantal stuks
5 V 1A Fixed TO-220 Through Hole 7 V 35 V 3 - 0 °C +125 °C 1 - 4%
RS-stocknr. 178-5062
FabrikantnummerL7805CD2T-TR
€ 0,313
Each (On a Reel of 1000)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 296-778
FabrikantnummerL7812CP
€ 0,50
Each
Aantal stuks
12 V 1.5A Fixed TO-220FP Through Hole - 35 V 3 - 0 °C +150 °C 1 Positive -
RS-stocknr. 162-6788
FabrikantnummerUA78M05CKVURG3
€ 0,245
Each (On a Reel of 2500)
Aantal stuks
5 V 500mA Fixed TO-252 Surface Mount 7 V 25 V 3 - 0 °C +125 °C 1 Positive -
RS-stocknr. 168-6536
FabrikantnummerL78S75CV
€ 0,636
Each (In a Tube of 50)
Aantal stuks
7.5 V 2A Fixed TO-220 Through Hole 10.5 V 35 V 3 - 0 °C +150 °C 1 Positive -
RS-stocknr. 809-5463
FabrikantnummerUA78M05CKVURG3
€ 0,528
Each (In a Pack of 20)
Aantal stuks
5 V 500mA Fixed TO-252 Surface Mount 7 V 25 V 3 - 0 °C +125 °C 1 Positive -
RS-stocknr. 661-3621
FabrikantnummerLM317KTTR
€ 0,818
Each (In a Pack of 5)
Aantal stuks
1.25 → 37 V 1.5A Adjustable D2PAK (TO-263) Surface Mount 4.2 V 40 V 3 - 0 °C +125 °C 1 Positive -
RS-stocknr. 178-5145
FabrikantnummerL78L12ABUTR
€ 0,127
Each (On a Reel of 2500)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 805-6470
FabrikantnummerMC7805BDTRKG
FabrikantON Semiconductor
€ 0,381
Each (In a Pack of 25)
Aantal stuks
5 V 2.2A Fixed DPAK Surface Mount - 35 V 3 - -40 °C +125 °C 1 Positive -
RS-stocknr. 714-0657
FabrikantnummerL7805CD2T-TR
€ 0,594
Each (In a Pack of 10)
Aantal stuks
5 V 1.5A Fixed D2PAK Surface Mount - 35 V 3 - 0 °C +150 °C 1 Positive -
RS-stocknr. 122-3331
FabrikantnummerZXTR1005K4-13
FabrikantDiodesZetex
€ 0,259
Each (On a Reel of 2500)
Aantal stuks
5.1 V 50mA Fixed TO-252 Surface Mount 10 V 100 V 5 2.3W -55 °C +125 °C 1 Positive ±2%
RS-stocknr. 806-0987
FabrikantnummerNCV553SQ50T1G
FabrikantON Semiconductor
€ 0,267
Each (On a Tape of 20)
Aantal stuks
5 V 80mA Fixed SC-82AB Surface Mount - 12 V 4 - -40 °C +125 °C 1 Positive 2%
RS-stocknr. 828-3345
FabrikantnummerZXTR1005K4-13
FabrikantDiodesZetex
€ 0,496
Each (In a Pack of 20)
Aantal stuks
5.1 V 50mA Fixed TO-252 Surface Mount 10 V 100 V 3 2.3W -55 °C +125 °C 1 Positive ±2%
RS-stocknr. 535-9975
FabrikantnummerLM78L05ACZ/NOPB
€ 0,54
Each (In a Pack of 5)
Aantal stuks
5 V 100mA Fixed TO-92 Through Hole 6.7 V 35 V 3 0.75W 0 °C +125 °C 1 Positive ±5%
RS-stocknr. 533-5711
FabrikantnummerLM317LZ/NOPB
€ 2,21
Each
Aantal stuks
1.2 → 37 V 100mA Adjustable TO-92 Through Hole 4.2 V 40 V 3 0.625W -40 °C +125 °C 1 Positive -
RS-stocknr. 163-0751
FabrikantnummerNCV553SQ50T1G
FabrikantON Semiconductor
€ 0,252
Each (On a Reel of 3000)
Aantal stuks
5 V 80mA Fixed SC-82AB Surface Mount - 12 V 4 - -40 °C +125 °C 1 Positive 2%
Related Products
The ON Semiconductor MC78M00/MC78M00A linear voltage regulator is ...
Description:
The ON Semiconductor MC78M00/MC78M00A linear voltage regulator is a robust device that combines Internal current limiting, thermal shutdown and output transistor safe operating area protection. It can be used in many applications including local, on-card voltage regulation. Available in 5 ...
STMicroelectronics L78 Series of fixed output voltage regulators ...
Description:
STMicroelectronics L78 Series of fixed output voltage regulators are useful in a wide range of applications within the electronics Industry. The three terminal positive linear voltage regulators can remove problems that are related with single point regulation by providing local ...
STMicroelectronics L78 Series of fixed output voltage regulators ...
Description:
STMicroelectronics L78 Series of fixed output voltage regulators are useful in a wide range of applications within the electronics Industry. The three terminal positive linear voltage regulators can remove problems that are related with single point regulation by providing local ...
STMicroelectronics L78 Series of fixed output voltage regulators ...
Description:
STMicroelectronics L78 Series of fixed output voltage regulators are useful in a wide range of applications within the electronics Industry. The three terminal positive linear voltage regulators can remove problems that are related with single point regulation by providing local ...