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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Omschrijving Prijs 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-stocknr. 145-3501
FabrikantnummerNCP3334DADJG
FabrikantON Semiconductor
€ 0,744
Each (In a Tube of 98)
Aantal stuks
- 2.5 → 10 V Adjustable SOIC 500mA Surface Mount 2.6 V 12 V 8 1 Positive - ±0.9% -40 °C
RS-stocknr. 389-211
FabrikantnummerTPS79201DBVT
€ 1,382
Each (In a Pack of 5)
Aantal stuks
- 1.2 → 5.5 V Adjustable SOT-23 100mA Surface Mount 2.7 V 5.5 V 6 1 Positive 0.17mA ±2% -40 °C
RS-stocknr. 865-2268
FabrikantnummerADP7142ARDZ-3.3
FabrikantAnalog Devices
€ 2,54
Each (In a Pack of 2)
Aantal stuks
- 3.3 V Fixed SOIC 200mA Surface Mount 2.7 V 40 V 8 1 Positive 140µA ±0.8% -40 °C
RS-stocknr. 686-9155
FabrikantnummerLD2981CM33TR
€ 0,441
Each (In a Pack of 10)
Aantal stuks
- 3.3 V Fixed SOT-23 100mA Surface Mount 2.5 V 16 V 5 1 Positive 0.08mA - -40 °C
RS-stocknr. 145-9401
FabrikantnummerMIC2940A-3.3WU
FabrikantMicrochip
€ 1,496
Each (In a Tube of 50)
Aantal stuks
- 3.3 V Fixed D2PAK (TO-263) 1.25A Surface Mount 2 V 26 V 3 1 Positive 0.24mA ±1% -40 °C
RS-stocknr. 121-6349
FabrikantnummerLM2931ACDR2G
FabrikantON Semiconductor
€ 0,197
Each (On a Reel of 2500)
Aantal stuks
- 2.7 → 29 V Adjustable SOIC 100mA Surface Mount - 40 V 8 2 Positive 30mA ±2% -40 °C
RS-stocknr. 517-1236
FabrikantnummerTPS71533DCKR
€ 0,766
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed SC-70 50mA Surface Mount 2.5 V 24 V 5 1 Positive 0.0032mA ±4% -40 °C
RS-stocknr. 165-2186
FabrikantnummerMCP1703AT-3302E/MB
FabrikantMicrochip
€ 0,374
Each (On a Reel of 1000)
Aantal stuks
- 3.3 V Fixed SOT-89 250mA Surface Mount 2.7 V 16 V 3 1 Positive 5µA 2% -40 °C
RS-stocknr. 121-8990
FabrikantnummerLP2985AIM5-5.0/NOPB
€ 0,323
Each (On a Reel of 1000)
Aantal stuks
- 5 V Fixed SOT-23 350mA Surface Mount 2.5 V 16 V 5 1 Positive - ±2.5% -40 °C
RS-stocknr. 163-0992
FabrikantnummerNCP1117DT33RKG
FabrikantON Semiconductor
€ 0,151
Each (On a Reel of 2500)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 165-7744
FabrikantnummerLD1117S12CTR
€ 0,151
Each (On a Reel of 2500)
Aantal stuks
- 1.2 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-stocknr. 102-5728
FabrikantnummerLP2950ACZ-3.3/NOPB
€ 0,336
Each (On a Reel of 1800)
Aantal stuks
- 3.3 V Fixed TO-92 100mA Through Hole - 30 V 3 1 Positive - ±0.5% -40 °C
RS-stocknr. 100-3961
FabrikantnummerLM2940CT-12/NOPB
€ 1,085
Each (In a Tube of 45)
Aantal stuks
- 12 V Fixed TO-220 1A Through Hole 13.6 V 26 V 3 1 Positive - - 0 °C
RS-stocknr. 774-7655
FabrikantnummerTC1264-3.3VAB
FabrikantMicrochip
€ 0,904
Each (In a Bag of 5)
Aantal stuks
- 3.3 V Fixed TO-220 800mA Through Hole 2.7 V 6 V 3 1 Positive - ±0.5% -40 °C
RS-stocknr. 885-0743
FabrikantnummerHT75C0-1-SOT89
FabrikantHoltek
€ 0,40
Each (In a Pack of 20)
Aantal stuks
- 12 V Fixed SOT-89 100mA Surface Mount - 30 V 3 1 Positive 4µA ±3% -40 °C
RS-stocknr. 686-9335
FabrikantnummerLD1117AS18TR
€ 0,539
Each (In a Pack of 25)
Aantal stuks
- 1.8 V Fixed SOT-223 1A Surface Mount - 10 V 3+Tab 1 Positive 5mA ±2% 0 °C
RS-stocknr. 536-0492
FabrikantnummerLP2950ACZ-3.3/NOPB
€ 0,744
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed TO-92 100mA Through Hole - 30 V 3 1 Positive - ±0.5% -40 °C
RS-stocknr. 102-5696
FabrikantnummerLM2937ET-12/NOPB
€ 1,234
Each (In a Tube of 45)
Aantal stuks
- 12 V Fixed TO-220 500mA Through Hole - 26 V 3 1 Positive - ±5% -40 °C
RS-stocknr. 817-5424
FabrikantnummerTPS78001DRVR
€ 0,734
Each (In a Pack of 25)
Aantal stuks
- 1.22 → 5.25 V Adjustable SON 150mA Surface Mount 2.2 V 5.5 V 6 1 Positive 500nA ±3% -40 °C
RS-stocknr. 121-8916
FabrikantnummerLP3961EMP-2.5/NOPB
€ 1,261
Each (On a Reel of 1000)
Aantal stuks
- 2.5 V Fixed SOT-223 800mA Surface Mount 2.5 V 7 V 5+Tab 1 Positive - ±1.5% -40 °C
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