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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Beskrivning Pris 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-artikelnummer 165-7750
Tillv. art.nrLD1117S33CTR
VarumärkeSTMicroelectronics
1,216 kr
Each (On a Reel of 2500)
Enheter
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS-artikelnummer 686-9388
Tillv. art.nrLD1117S33CTR
VarumärkeSTMicroelectronics
3,123 kr
Each (In a Pack of 25)
Enheter
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS-artikelnummer 168-6804
Tillv. art.nrLD1117S33TR
VarumärkeSTMicroelectronics
1,216 kr
Each (On a Reel of 2500)
Enheter
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% 0 °C
RS-artikelnummer 145-9423
Tillv. art.nrLD1117S12TR
VarumärkeSTMicroelectronics
1,449 kr
Each (On a Reel of 2500)
Enheter
- 1.2 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS-artikelnummer 686-9385
Tillv. art.nrLD1117S12TR
VarumärkeSTMicroelectronics
3,681 kr
Each (In a Pack of 25)
Enheter
- 1.2 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS-artikelnummer 714-0697
Tillv. art.nrLD1117S33TR
VarumärkeSTMicroelectronics
3,112 kr
Each (In a Pack of 10)
Enheter
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% 0 °C
RS-artikelnummer 168-6522
Tillv. art.nrLF33ABDT-TR
VarumärkeSTMicroelectronics
2,777 kr
Each (On a Reel of 2500)
Enheter
- 3.3 V Fixed DPAK 500mA Surface Mount - 16 V 3 1 Positive 0.5mA ±1% -40 °C
RS-artikelnummer 165-7749
Tillv. art.nrLD1117S50CTR
VarumärkeSTMicroelectronics
1,216 kr
Each (On a Reel of 2500)
Enheter
- 5 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS-artikelnummer 829-6921
Tillv. art.nrLDFPVR
VarumärkeSTMicroelectronics
8,024 kr
Each (In a Pack of 5)
Enheter
- 0.8 → 12 V Adjustable DFN 1A Surface Mount 2.6 V 16 V 6 1 Positive 800µA ±1.5% -40 °C
RS-artikelnummer 686-8934
Tillv. art.nrLF33ABDT-TR
VarumärkeSTMicroelectronics
7,568 kr
Each (In a Pack of 5)
Enheter
- 3.3 V Fixed DPAK 500mA Surface Mount - 16 V 3 1 Positive 0.5mA ±1% -40 °C
RS-artikelnummer 920-6339
Tillv. art.nrKF50BD-TR
VarumärkeSTMicroelectronics
3,344 kr
Each (On a Reel of 2500)
Enheter
- 5.2 V Fixed SOIC 500mA Surface Mount -0.5 V 20 V 8 1 Positive 100µA ±2% -40 °C
RS-artikelnummer 686-9381
Tillv. art.nrLD1117S50CTR
VarumärkeSTMicroelectronics
3,123 kr
Each (In a Pack of 25)
Enheter
- 5 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS-artikelnummer 168-8708
Tillv. art.nrLDFPVR
VarumärkeSTMicroelectronics
2,856 kr
Each (On a Reel of 3000)
Enheter
- 0.8 → 12 V Adjustable DFN 1A Surface Mount 2.6 V 16 V 6 1 Positive 800µA ±1.5% -40 °C
RS-artikelnummer 795-8448
Tillv. art.nrKF50BD-TR
VarumärkeSTMicroelectronics
8,148 kr
Each (In a Pack of 5)
Enheter
- 5.2 V Fixed SOIC 500mA Surface Mount -0.5 V 20 V 8 1 Positive 100µA ±2% -40 °C
RS-artikelnummer 298-8491
Tillv. art.nrL4940V5
VarumärkeSTMicroelectronics
23,68 kr
Each
Enheter
- 5 V Fixed TO-220 1.5A Through Hole - 17 V 3 1 Positive 5mA - -40 °C
RS-artikelnummer 686-9707
Tillv. art.nrLF50ABV
VarumärkeSTMicroelectronics
8,106 kr
Each (In a Pack of 5)
Enheter
- 5 V Fixed TO-220 500mA Through Hole - 16 V 3 1 Positive 0.5mA ±1% -40 °C
RS-artikelnummer 686-8846
Tillv. art.nrLD2981CU33TR
VarumärkeSTMicroelectronics
6,142 kr
Each (In a Pack of 5)
Enheter
- 3.3 V Fixed SOT-89 100mA Surface Mount 2.5 V 16 V 3 1 Positive 0.08mA - -40 °C
RS-artikelnummer 165-7741
Tillv. art.nrLD1117AS33TR
VarumärkeSTMicroelectronics
2,452 kr
Each (On a Reel of 2500)
Enheter
- 3.3 V Fixed SOT-223 1.2A Surface Mount - 10 V 3+Tab 1 Positive 5mA ±2% 0 °C
RS-artikelnummer 110-6571
Tillv. art.nrSTLQ015M25R
VarumärkeSTMicroelectronics
2,316 kr
Each (On a Tape of 10)
Enheter
- 2.5 V Fixed SOT-23 150mA Surface Mount 1.5 V 5.5 V 5 1 Positive 2.4µA ±3% -40 °C
RS-artikelnummer 795-8965
Tillv. art.nrLD39015M33R
VarumärkeSTMicroelectronics
6,917 kr
Each (In a Pack of 10)
Enheter
- 3.3 V Fixed SOT-23 150mA Surface Mount 1.5 V 5.5 V 5 1 Positive 70µA ±2% -40 °C