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 686-8934
Tillv. art.nrLF33ABDT-TR
VarumärkeSTMicroelectronics
7,486 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 910-1385
Tillv. art.nrMIC5201-3.3YM
VarumärkeMicrochip
8,531 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 686-9381
Tillv. art.nrLD1117S50CTR
VarumärkeSTMicroelectronics
2,771 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 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 517-1416
Tillv. art.nrTPS76833QD
VarumärkeTexas Instruments
28,436 kr
Each (In a Pack of 5)
Enheter
- 3.3 V Fixed SOIC 1A Surface Mount 2.7 V 10 V 8 1 Positive 0.085mA ±2% -40 °C
RS-artikelnummer 533-5632
Tillv. art.nrLM2940T-5.0/NOPB
VarumärkeTexas Instruments
19,54 kr
Each
Enheter
- 5 V Fixed TO-220 1A Through Hole 6.25 V 26 V 3 1 Positive - - -40 °C
RS-artikelnummer 727-5071
Tillv. art.nrMIC5239-5.0YS
VarumärkeMicrel
27,69 kr
Each
Enheter
- 5 V Fixed SOT-223 500mA Surface Mount 2.3 V 30 V 3+Tab 1 Positive 0.023mA ±1% -40 °C
RS-artikelnummer 124-6445
Tillv. art.nrBA033CC0FP-E2
VarumärkeROHM
8,334 kr
Each (In a Pack of 5)
Enheter
- 3.3 V Fixed TO-252 1A Surface Mount 4 V 25 V 3 1 Positive - - -40 °C
RS-artikelnummer 145-0843
Tillv. art.nrTLV1117-50CDCY
VarumärkeTexas Instruments
5,173 kr
Each (In a Tube of 80)
Enheter
- 5 V Fixed SOT-223 800mA Surface Mount 6.4 V 15 V 3+Tab 1 Positive 5mA - 0 °C
RS-artikelnummer 163-1025
Tillv. art.nrNCP59301DS18R4G
VarumärkeON Semiconductor
8,894 kr
Each (On a Reel of 800)
Enheter
- 1.8 V Fixed D2PAK 3A Surface Mount 2.24 V 13.5 V 5 1 Positive - +2.5% -40 °C
RS-artikelnummer 779-9331
Tillv. art.nrLT1521CST-3.3#PBF
VarumärkeAnalog Devices
41,41 kr
Each (In a Pack of 2)
Enheter
- 3.3 V Fixed SOT-223 300mA Surface Mount -20 V 20 V 3 1 Positive 12µA - 0 °C
RS-artikelnummer 145-7531
Tillv. art.nrLM2936HVBMA-5.0/NOPB
VarumärkeTexas Instruments
15,971 kr
Each (In a Tube of 95)
Enheter
- 5 V Fixed SOIC 50mA Surface Mount 4 V 60 V 8 1 Positive - ±2% -40 °C
RS-artikelnummer 697-7726
Tillv. art.nrADP3331ARTZ-REEL7
VarumärkeAnalog Devices
25,188 kr
Each (In a Pack of 5)
Enheter
- 1.5 → 11.75 V Adjustable SOT-23 300mA Surface Mount 2.6 V 12 V 6 1 Positive 0.034mA ±0.7% -40 °C
RS-artikelnummer 165-8648
Tillv. art.nrAZ1117EH-ADJTRG1
VarumärkeDiodesZetex
0,608 kr
Each (On a Reel of 4000)
Enheter
- - Adjustable SOT-223 - Surface Mount - 13 V 3+Tab 1 Positive 6mA ±1% -40 °C
RS-artikelnummer 779-9057
Tillv. art.nrLT1121AIS8#PBF
VarumärkeAnalog Devices
59,35 kr
Each (In a Pack of 2)
Enheter
- 3.64 → 3.86 V Adjustable SOIC 150mA Surface Mount -30 V 30 V 8 1 Positive 30µA - -40 °C
RS-artikelnummer 885-0733
Tillv. art.nrHT7544-1-SOT89
VarumärkeHoltek
3,624 kr
Each (In a Pack of 20)
Enheter
- 4.4 V Fixed SOT-89 100mA Surface Mount - 30 V 3 1 Positive 4µA ±3% -40 °C
RS-artikelnummer 145-6908
Tillv. art.nrTPS76833QD
VarumärkeTexas Instruments
23,694 kr
Each (In a Tube of 75)
Enheter
- 3.3 V Fixed SOIC 1A Surface Mount 2.7 V 10 V 8 1 Positive 0.085mA ±2% -40 °C
RS-artikelnummer 805-1949
Tillv. art.nrNCP3337MNADJR2G
VarumärkeON Semiconductor
7,962 kr
Each (On a Tape of 10)
Enheter
- 2.5 → 10 V Adjustable DFN 800mA Surface Mount 2.9 V 12 V 10 1 Positive 0.22mA ±0.9% -40 °C
RS-artikelnummer 922-2274
Tillv. art.nrLP2989IM-5.0/NOPB
VarumärkeTexas Instruments
20,202 kr
Each (In a Tube of 95)
Enheter
- 5 V Fixed SOIC 500mA Surface Mount 2.1 V 16 V 8 1 Positive 0.0008mA 1.25% -40 °C
RS-artikelnummer 168-5103
Tillv. art.nrTPS7A8801RTJT
VarumärkeTexas Instruments
18,405 kr
Each (On a Reel of 250)
Enheter
- 0.8 → 5 V Adjustable QFN 1A Surface Mount 1.4 V 6.5 V 20 1 Positive - 1% -40 °C
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