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 121-9409
Tillv. art.nrTPS7A4700RGWT
VarumärkeTexas Instruments
33,464 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 922-3388
Tillv. art.nrTPS51200DRCT
VarumärkeTexas Instruments
15,091 kr
Each (On a Reel of 250)
Enheter
- - - - - - - - - - - - - -
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 533-9577
Tillv. art.nrLM1117MP-3.3/NOPB
VarumärkeTexas Instruments
9,20 kr
Each
Enheter
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 4 1 - - ±1% 0 °C
RS-artikelnummer 165-4199
Tillv. art.nrMIC29302WT
VarumärkeMicrochip
16,552 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
19,914 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 121-8990
Tillv. art.nrLP2985AIM5-5.0/NOPB
VarumärkeTexas Instruments
3,344 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 795-8448
Tillv. art.nrKF50BD-TR
VarumärkeSTMicroelectronics
8,252 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 517-1422
Tillv. art.nrTPS76933DBVT
VarumärkeTexas Instruments
9,286 kr
Each (In a Pack of 5)
Enheter
- 3.3 V Fixed SOT-23 100mA Surface Mount 2.7 V 10 V 5 1 Positive 0.017mA ±3% -40 °C
RS-artikelnummer 545-4884
Tillv. art.nrLT1085CT#PBF
VarumärkeAnalog Devices
77,65 kr
Each
Enheter
- 1.25 → 28.5 V Adjustable TO-220 3A Through Hole 2.55 V 30 V 3 1 Positive - - 0 °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 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 122-3379
Tillv. art.nrAZ1117CH-3.3TRG1
VarumärkeDiodesZetex
0,733 kr
Each (On a Reel of 4000)
Enheter
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive 6mA ±1% -20 °C
RS-artikelnummer 823-4015
Tillv. art.nrTC1107-3.3VOA
VarumärkeMicrochip
3,898 kr
Each (In a Pack of 20)
Enheter
- 3.3 V Fixed SOIC 300mA Surface Mount 2.7 V 6 V 8 1 Positive - ±0.5% -40 °C
RS-artikelnummer 647-5040
Tillv. art.nrLP2985AIM5-5.0/NOPB
VarumärkeTexas Instruments
8,17 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 162-5332
Tillv. art.nrTPS75801KC
VarumärkeTexas Instruments
25,691 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 168-6522
Tillv. art.nrLF33ABDT-TR
VarumärkeSTMicroelectronics
2,879 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 121-8914
Tillv. art.nrLM3940IMP-3.3/NOPB
VarumärkeTexas Instruments
7,007 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 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
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