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 535-8635
Tillv. art.nrLM1117IMP-3.3/NOPB
VarumärkeTexas Instruments
10,982 kr
Each (In a Pack of 5)
Enheter
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-artikelnummer 102-5680
Tillv. art.nrLM1117IMP-3.3/NOPB
VarumärkeTexas Instruments
4,756 kr
Each (On a Reel of 1000)
Enheter
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-artikelnummer 796-8089
Tillv. art.nrLP2951-50D
VarumärkeTexas Instruments
6,246 kr
Each (In a Pack of 5)
Enheter
- 5.1 V Fixed SOIC 100mA Surface Mount - 30 V 8 1 Positive 75µA 1.4% -40 °C
RS-artikelnummer 162-6346
Tillv. art.nrLP3985IM5-5.0/NOPB
VarumärkeTexas Instruments
2,432 kr
Each (On a Reel of 1000)
Enheter
- 5 V Fixed SOT-23 150mA Surface Mount 2.5 V 6 V 5 1 Positive 0.25mA 3% -40 °C
RS-artikelnummer 145-6052
Tillv. art.nrLP2951-50D
VarumärkeTexas Instruments
5,351 kr
Each (In a Tube of 75)
Enheter
- 5.1 V Fixed SOIC 100mA Surface Mount - 30 V 8 1 Positive 75µA 1.4% -40 °C
RS-artikelnummer 761-6706
Tillv. art.nrLP3985IM5-5.0/NOPB
VarumärkeTexas Instruments
4,684 kr
Each (In a Pack of 10)
Enheter
- 5 V Fixed SOT-23 150mA Surface Mount 2.5 V 6 V 5 1 Positive 0.25mA 3% -40 °C
RS-artikelnummer 817-5486
Tillv. art.nrTPS7A4700RGWT
VarumärkeTexas Instruments
51,39 kr
Each
Enheter
- 1.4 → 20.5 V Adjustable VQFN 1A Surface Mount 3 V 36 V 20 1 Positive - ±2.5% -40 °C
RS-artikelnummer 121-9409
Tillv. art.nrTPS7A4700RGWT
VarumärkeTexas Instruments
35,558 kr
Each (On a Reel of 250)
Enheter
- 1.4 → 20.5 V Adjustable VQFN 1A Surface Mount 3 V 36 V 20 1 Positive - ±2.5% -40 °C
RS-artikelnummer 100-5930
Tillv. art.nrLM1117MP-3.3/NOPB
VarumärkeTexas Instruments
4,756 kr
Each (On a Reel of 1000)
Enheter
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS-artikelnummer 121-8914
Tillv. art.nrLM3940IMP-3.3/NOPB
VarumärkeTexas Instruments
7,205 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 660-8010
Tillv. art.nrTPS75801KC
VarumärkeTexas Instruments
24,33 kr
Each
Enheter
- 1.225 → 5 V Adjustable TO-220 3A Through Hole 2.8 V 5.5 V 5 1 Positive 0.125mA ±3% -40 °C
RS-artikelnummer 900-9914
Tillv. art.nrTPS78218DDCT
VarumärkeTexas Instruments
7,021 kr
Each (In a Pack of 10)
Enheter
- 1.8 V Fixed SOT-23 150mA Surface Mount 2.2 V 5.5 V 5 1 Positive 500nA 3% -40 °C
RS-artikelnummer 422-485
Tillv. art.nrTPS71812-33DRVT
VarumärkeTexas Instruments
7,276 kr
Each (In a Pack of 5)
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 647-5040
Tillv. art.nrLP2985AIM5-5.0/NOPB
VarumärkeTexas Instruments
11,58 kr
Each
Enheter
- 5 V Fixed SOT-23 350mA Surface Mount 2.5 V 16 V 5 1 Positive - ±2.5% -40 °C
RS-artikelnummer 145-6234
Tillv. art.nrTPS78330DDCT
VarumärkeTexas Instruments
5,422 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 796-8326
Tillv. art.nrTLV70233DBVT
VarumärkeTexas Instruments
4,256 kr
Each (In a Pack of 25)
Enheter
- 3.3 V Fixed SOT-23 860mA Surface Mount 2 V 5.5 V 5 1 Positive 0.03mA 2% -40 °C
RS-artikelnummer 536-1546
Tillv. art.nrLM3940IMP-3.3/NOPB
VarumärkeTexas Instruments
14,27 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 145-1033
Tillv. art.nrLMS1587CS-ADJ/NOPB
VarumärkeTexas Instruments
22,369 kr
Each (In a Tube of 45)
Enheter
- - Adjustable D2PAK (TO-263) 3A Surface Mount 2.4 V 13 V 3 1 Positive - - 0 °C
RS-artikelnummer 162-5332
Tillv. art.nrTPS75801KC
VarumärkeTexas Instruments
24,781 kr
Each (In a Tube of 50)
Enheter
- 1.225 → 5 V Adjustable TO-220 3A Through Hole 2.8 V 5.5 V 5 1 Positive 0.125mA ±3% -40 °C
RS-artikelnummer 817-5458
Tillv. art.nrTPS78330DDCT
VarumärkeTexas Instruments
7,246 kr
Each (In a Pack of 25)
Enheter
- 3 V Fixed SOT-23 150mA Surface Mount 2.2 V 5.5 V 5 1 Positive 500nA 3% -40 °C