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 121-6357
Tillv. art.nrNCP1117ST33T3G
VarumärkeON Semiconductor
1,338 kr
Each (On a Reel of 4000)
Enheter
- 3.3 V Fixed SOT-223 2.2A Surface Mount - 20 V 3+Tab 1 Positive 10mA ±1% 0 °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 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 165-4199
Tillv. art.nrMIC29302WT
VarumärkeMicrochip
16,422 kr
Each (In a Tube of 50)
Enheter
- 1.25 → 26 V Adjustable TO-220 3A Through Hole 2.5 V 26 V 5 1 Positive - ±1% -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 910-1395
Tillv. art.nrMIC29302WT
VarumärkeMicrochip
20,39 kr
Each (In a Pack of 5)
Enheter
- 1.25 → 26 V Adjustable TO-220 3A Through Hole 2.5 V 26 V 5 1 Positive - ±1% -40 °C
RS-artikelnummer 102-5730
Tillv. art.nrLP2980AIM5-3.3/NOPB
VarumärkeTexas Instruments
3,455 kr
Each (On a Reel of 1000)
Enheter
- 3.3 V Fixed SOT-23 50mA Surface Mount 2.1 V 16 V 5 1 Positive - ±0.75% -40 °C
RS-artikelnummer 761-8100
Tillv. art.nrLT1129IST-3.3#PBF
VarumärkeAnalog Devices
57,18 kr
Each
Enheter
- 3.3 V Fixed SOT-223 700mA Surface Mount 4.8 V 20 V 3+Tab 1 Positive 0.025mA - -40 °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 910-1385
Tillv. art.nrMIC5201-3.3YM
VarumärkeMicrochip
7,745 kr
Each (In a Pack of 10)
Enheter
- 3.3 V Fixed SOIC 200mA Surface Mount 2.5 V 26 V 8 1 Positive - ±1% -40 °C
RS-artikelnummer 761-5609
Tillv. art.nrLM2937IMP-5.0/NOPB
VarumärkeTexas Instruments
16,75 kr
Each (In a Pack of 5)
Enheter
- 5 V Fixed SOT-223 400mA Surface Mount 0 V 26 V 3+Tab 1 Positive 20mA 5% -40 °C
RS-artikelnummer 889-5250
Tillv. art.nrMCP1703T-3302E/CB
VarumärkeMicrochip
3,864 kr
Each (On a Reel of 3000)
Enheter
- 3.3 V Fixed SOT-23A 250mA Surface Mount 2.7 V 16 V 3 1 Positive 0.002mA ±2% -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 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 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 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 911-5520
Tillv. art.nrMCP1825S-3302E/DB
VarumärkeMicrochip
3,961 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 145-0795
Tillv. art.nrLT3010EMS8E#PBF
VarumärkeAnalog Devices
25,505 kr
Each (In a Tube of 50)
Enheter
- 1.275 60 V Adjustable MSOP 50mA Surface Mount 3 V 80 V 8 1 Positive 0.03mA - -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
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