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 921-6879
Tillv. art.nrLM2937IMP-5.0/NOPB
VarumärkeTexas Instruments
8,687 kr
Each (On a Reel of 1000)
Enheter
- 5 V Fixed SOT-223 400mA Surface Mount 0 V 26 V 3+Tab 1 Positive 20mA 5% -40 °C
RS-artikelnummer 121-8914
Tillv. art.nrLM3940IMP-3.3/NOPB
VarumärkeTexas Instruments
7,005 kr
Each (On a Reel of 1000)
Enheter
- 3.3 V Fixed SOT-223 1A Surface Mount 4.5 V 7.5 V 3+Tab 1 Positive - - -40 °C
RS-artikelnummer 851-4617
Tillv. art.nrLT3083EQ#PBF
VarumärkeAnalog Devices
90,68 kr
Each
Enheter
- 0 → 23 V Adjustable D2PAK 3A Surface Mount 1.2 V 23 V 5 1 Positive - 1% -40 °C
RS-artikelnummer 124-5348
Tillv. art.nrNCP1117LPST50T3G
VarumärkeON Semiconductor
1,038 kr
Each (On a Reel of 4000)
Enheter
- 5 V Fixed SOT-223 1.1A Surface Mount -0.3 V 18 V 3+Tab 1 Positive 700µA - 0 °C
RS-artikelnummer 534-4614
Tillv. art.nrLMS1587CS-ADJ/NOPB
VarumärkeTexas Instruments
27,09 kr
Each
Enheter
- - Adjustable D2PAK (TO-263) 3A Surface Mount 2.4 V 13 V 3 1 Positive - - 0 °C
RS-artikelnummer 536-1546
Tillv. art.nrLM3940IMP-3.3/NOPB
VarumärkeTexas Instruments
15,20 kr
Each
Enheter
- 3.3 V Fixed SOT-223 1A Surface Mount 4.5 V 7.5 V 3+Tab 1 Positive - - -40 °C
RS-artikelnummer 102-3505
Tillv. art.nrNCP1117DT50G
VarumärkeON Semiconductor
3,072 kr
Each (In a Tube of 75)
Enheter
- 5 V Fixed DPAK 1A Surface Mount - 20 V 3 1 Positive 3.6mA ±1% 0 °C
RS-artikelnummer 121-8990
Tillv. art.nrLP2985AIM5-5.0/NOPB
VarumärkeTexas Instruments
3,191 kr
Each (On a Reel of 1000)
Enheter
- 5 V Fixed SOT-23 350mA Surface Mount 2.5 V 16 V 5 1 Positive - ±2.5% -40 °C
RS-artikelnummer 168-8708
Tillv. art.nrLDFPVR
VarumärkeSTMicroelectronics
2,936 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 145-6234
Tillv. art.nrTPS78330DDCT
VarumärkeTexas Instruments
5,573 kr
Each (On a Reel of 250)
Enheter
- 3 V Fixed SOT-23 150mA Surface Mount 2.2 V 5.5 V 5 1 Positive 500nA 3% -40 °C
RS-artikelnummer 911-5520
Tillv. art.nrMCP1825S-3302E/DB
VarumärkeMicrochip
3,994 kr
Each (In a Tube of 78)
Enheter
- 3.3 V Fixed SOT-223 500mA Surface Mount 2.1 V 6 V 3+Tab 1 Positive 0.12mA ±0.5% -40 °C
RS-artikelnummer 795-8448
Tillv. art.nrKF50BD-TR
VarumärkeSTMicroelectronics
8,54 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 155-9305
Tillv. art.nrLT3083EQ#PBF
VarumärkeAnalog Devices
60,412 kr
Each (In a Tube of 50)
Enheter
- 0 → 23 V Adjustable D2PAK 3A Surface Mount 1.2 V 23 V 5 1 Positive - 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 145-6887
Tillv. art.nrTPS71812-33DRVT
VarumärkeTexas Instruments
12,114 kr
Each (On a Reel of 250)
Enheter
- 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-artikelnummer 910-1626
Tillv. art.nrMIC5233YM5-TR
VarumärkeMicrochip
11,27 kr
Each (In a Pack of 5)
Enheter
- 1.24 → 20 V Adjustable SOT-23 100mA Surface Mount 2.3 V 36 V 5 1 Positive - ±2% -40 °C
RS-artikelnummer 170-9154
Tillv. art.nrHT7560-1-SOT89
VarumärkeHoltek
3,265 kr
Each (On a Reel of 1000)
Enheter
- 6 V Fixed SOT-89 100mA Surface Mount - 30 V 3 1 Positive 4µA ±3% -40 °C
RS-artikelnummer 545-6694
Tillv. art.nrLT1529CT#PBF
VarumärkeAnalog Devices
65,66 kr
Each
Enheter
- 3.8 → 14 V Adjustable TO-220 3A Through Hole 3.8 V 15 V 5 1 Positive 0.05mA - 0 °C
RS-artikelnummer 545-5067
Tillv. art.nrLT1120CN8#PBF
VarumärkeAnalog Devices
56,46 kr
Each
Enheter
- 2.5 → 35.15 V Adjustable PDIP 125mA Through Hole 4.5 V 36 V 8 1 Positive - - 0 °C
RS-artikelnummer 145-9127
Tillv. art.nrMIC5201-3.3YM
VarumärkeMicrochip
7,521 kr
Each (In a Tube of 95)
Enheter
- 3.3 V Fixed SOIC 200mA Surface Mount 2.5 V 26 V 8 1 Positive - ±1% -40 °C
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