Low Dropout Voltage Regulators

Low dropout voltage regulators are types of linear regulators that provide an inexpensive way of regulating output voltage with few external components. Linear regulators are used to maintain a steady voltage in electronic devices. Low dropout voltage regulators can regulate output voltage even when it's very close to the supply voltage. They have low noise and good ripple rejection making them crucial to maintaining a stable power supply in any power-management system.


What are low dropout voltage regulators used for?


Low dropout voltage regulators help to maintain system voltage independent of battery. This makes them useful for portable applications, as well as for equipment that needs a stable voltage while minimising the supply. You're likely to find low dropout voltage regulators in devices such as smoke detectors or alarm systems.


Choosing the right low dropout voltage regulator


There are various factors to consider when choosing the right regulator. These include required output voltage, maximum load current, minimum dropout voltage and the type and range of input voltage. Low dropout voltage regulators are the right choice if a more precise output voltage is necessary and there is a low power dissipation.


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Omschrijving Prijs Dropout Voltage at Maximum Current Output Voltage Output Type Package Type Maximum Output Current Mounting Type Minimum Input Voltage Maximum Input Voltage Pin Count Number of Outputs Polarity Quiescent Current Accuracy Minimum Operating Temperature
RS-stocknr. 534-3021
FabrikantnummerLM3940IT-3.3/NOPB
€ 1,69
Each
Aantal stuks
- 3.3 V Fixed TO-220 1A Through Hole 4.5 V 7.5 V 3 1 Positive - - -40 °C
RS-stocknr. 100-5939
FabrikantnummerLM3940IT-3.3/NOPB
€ 1,325
Each (In a Tube of 45)
Aantal stuks
- 3.3 V Fixed TO-220 1A Through Hole 4.5 V 7.5 V 3 1 Positive - - -40 °C
RS-stocknr. 535-8641
FabrikantnummerLM1117IMP-5.0/NOPB
€ 0,90
Each (In a Pack of 5)
Aantal stuks
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-stocknr. 102-5681
FabrikantnummerLM1117IMP-5.0/NOPB
€ 0,446
Each (On a Reel of 1000)
Aantal stuks
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-stocknr. 517-1422
FabrikantnummerTPS76933DBVT
€ 0,952
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed SOT-23 100mA Surface Mount 2.7 V 10 V 5 1 Positive 0.017mA ±3% -40 °C
RS-stocknr. 533-9577
FabrikantnummerLM1117MP-3.3/NOPB
€ 0,97
Each
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 4 1 - - ±1% 0 °C
RS-stocknr. 100-5930
FabrikantnummerLM1117MP-3.3/NOPB
€ 0,457
Each (On a Reel of 1000)
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS-stocknr. 533-9432
FabrikantnummerLM1086CS-ADJ/NOPB
€ 2,09
Each
Aantal stuks
- - Adjustable D2PAK (TO-263) 1.5A Surface Mount 2.6 V 30 V 3 1 Positive - - 0 °C
RS-stocknr. 533-8164
FabrikantnummerLM2940CT-5.0/NOPB
€ 1,98
Each
Aantal stuks
- 5 V Fixed TO-220 1A Through Hole 6.25 V 26 V 3 1 Positive - - 0 °C
RS-stocknr. 647-4362
FabrikantnummerLP3964EMP-ADJ/NOPB
€ 2,34
Each
Aantal stuks
- 1.2 → 5 V Adjustable SOT-223 800mA Surface Mount 2.5 V 7 V 5+Tab 1 Positive - ±1.5% -40 °C
RS-stocknr. 422-485
FabrikantnummerTPS71812-33DRVT
€ 1,554
Each (In a Pack of 5)
Aantal stuks
- 1.2 V, 3.3 V Fixed SON 200mA Surface Mount 2.7 V 6.5 V 6 2 Positive 0.09mA ±2.5% -40 °C
RS-stocknr. 145-6887
FabrikantnummerTPS71812-33DRVT
€ 0,927
Each (On a Reel of 250)
Aantal stuks
- 1.2 V, 3.3 V Fixed SON 200mA Surface Mount 2.7 V 6.5 V 6 2 Positive 0.09mA ±2.5% -40 °C
RS-stocknr. 162-4905
FabrikantnummerTPS73101DBVT
€ 0,586
Each (On a Reel of 250)
Aantal stuks
- 1.2 → 5.5 V Adjustable SOT-23 150mA Surface Mount 1.7 V 5.5 V 5 1 Positive <0.001mA ±0.5% -40 °C
RS-stocknr. 533-5632
FabrikantnummerLM2940T-5.0/NOPB
€ 2,00
Each
Aantal stuks
- 5 V Fixed TO-220 1A Through Hole 6.25 V 26 V 3 1 Positive - - -40 °C
RS-stocknr. 661-3778
FabrikantnummerTLV1117-33IDCYR
€ 0,50
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 5mA - -40 °C
RS-stocknr. 660-7975
FabrikantnummerTLV1117-33CDCY
€ 0,60
Each
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 5mA - 0 °C
RS-stocknr. 145-0932
FabrikantnummerTLV1117-33IDCY
€ 0,554
Each (In a Tube of 80)
Aantal stuks
- 3.365 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 15mA - -40 °C
RS-stocknr. 537-8730
FabrikantnummerLP38691DT-3.3/NOPB
€ 1,646
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed TO-252 500mA Surface Mount 2.7 V 10 V 3 1 Positive - ±2% -40 °C
RS-stocknr. 102-5765
FabrikantnummerLP38691DT-3.3/NOPB
€ 1,371
Each (In a Tube of 75)
Aantal stuks
- 3.3 V Fixed TO-252 500mA Surface Mount 2.7 V 10 V 3 1 Positive - ±2% -40 °C
RS-stocknr. 620-1423
FabrikantnummerTPS73101DBVT
€ 1,016
Each (In a Pack of 5)
Aantal stuks
- 1.2 → 5.5 V Adjustable SOT-23 150mA Surface Mount 1.7 V 5.5 V 5 1 Positive <0.001mA ±0.5% -40 °C