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. 100-5939
FabrikantnummerLM3940IT-3.3/NOPB
€ 1,274
Each (In a Tube of 45)
Aantal stuks
- 3.3 V Fixed TO-220 1A Through Hole 4.5 V 7.5 V 3 1 Positive - - -40 °C
RS-stocknr. 534-3021
FabrikantnummerLM3940IT-3.3/NOPB
€ 2,21
Each
Aantal stuks
- 3.3 V Fixed TO-220 1A Through Hole 4.5 V 7.5 V 3 1 Positive - - -40 °C
RS-stocknr. 170-9150
FabrikantnummerHT7530-1-SOT89
FabrikantHoltek
€ 0,364
Each (On a Reel of 1000)
Aantal stuks
- 3 V Fixed SOT-89 100mA Surface Mount - 30 V 3 1 Positive 4µA ±3% -40 °C
RS-stocknr. 885-0727
FabrikantnummerHT7530-1-SOT89
FabrikantHoltek
€ 0,40
Each (In a Pack of 20)
Aantal stuks
- 3 V Fixed SOT-89 100mA Surface Mount - 30 V 3 1 Positive 4µA ±3% -40 °C
RS-stocknr. 263-9874
FabrikantnummerBA033FP-E2
FabrikantROHM
€ 1,33
Each
Aantal stuks
- 3.3 V Fixed TO-252 1A Surface Mount 4.3 V 25 V 3 1 Positive - - -40 °C
RS-stocknr. 170-2449
FabrikantnummerBA033FP-E2
FabrikantROHM
€ 0,63
Each (On a Reel of 2000)
Aantal stuks
- 3.3 V Fixed TO-252 1A Surface Mount 4.3 V 25 V 3 1 Positive - - -40 °C
RS-stocknr. 686-9782
FabrikantnummerLD1117AV33
€ 0,427
Each (In a Pack of 10)
Aantal stuks
- 3.3 V Fixed TO-220 1.2A Through Hole - 10 V 3 1 Positive 5mA ±2% 0 °C
RS-stocknr. 168-6601
FabrikantnummerLD1117AV33
€ 0,388
Each (In a Tube of 50)
Aantal stuks
- 3.3 V Fixed TO-220 1.2A Through Hole - 10 V 3 1 Positive 5mA ±2% 0 °C
RS-stocknr. 828-7570
FabrikantnummerAZ1084CD-3.3TRG1
FabrikantDiodesZetex
€ 0,367
Each (In a Pack of 20)
Aantal stuks
- 3.3 V Fixed TO-252 5A Surface Mount - 12 V 3 1 Positive 10mA - 0 °C
RS-stocknr. 102-5681
FabrikantnummerLM1117IMP-5.0/NOPB
€ 0,411
Each (On a Reel of 1000)
Aantal stuks
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-stocknr. 535-8641
FabrikantnummerLM1117IMP-5.0/NOPB
€ 0,906
Each (In a Pack of 5)
Aantal stuks
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-stocknr. 170-8927
FabrikantnummerAZ1084CD-3.3TRG1
FabrikantDiodesZetex
€ 0,151
Each (On a Reel of 2500)
Aantal stuks
- 3.3 V Fixed TO-252 5A Surface Mount - 12 V 3 1 Positive 10mA - 0 °C
RS-stocknr. 806-2059
FabrikantnummerMC33269ST-3.3T3G
FabrikantON Semiconductor
€ 0,652
Each (In a Pack of 20)
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount - 20 V 3+Tab 1 Positive 8mA ±1% -40 °C
RS-stocknr. 826-9162
FabrikantnummerIFX25001TFV50ATMA1
FabrikantInfineon
€ 0,701
Each (In a Pack of 25)
Aantal stuks
- 5 V Fixed TO-252 400mA Surface Mount 5.5 V 45 V 3 1 Positive 100µA 4% -40 °C
RS-stocknr. 165-5953
FabrikantnummerIFX25001TFV50ATMA1
FabrikantInfineon
€ 0,334
Each (On a Reel of 2500)
Aantal stuks
- 5 V Fixed TO-252 400mA Surface Mount 5.5 V 45 V 3 1 Positive 100µA 4% -40 °C
RS-stocknr. 145-4373
FabrikantnummerKA78R33CTU
FabrikantON Semiconductor
€ 0,50
Each (In a Tube of 50)
Aantal stuks
- 3.38 V Fixed TO-220F 1A Through Hole 4 V 10 V 4 1 Positive 10mA - -20 °C
RS-stocknr. 785-7272
FabrikantnummerNCP551SN33T1G
FabrikantON Semiconductor
€ 0,345
Each (In a Pack of 10)
Aantal stuks
- 3.3 V Fixed TSOP 150mA Surface Mount 0 V 12 V 5 1 Positive 8µA 2% -40 °C
RS-stocknr. 887-7429
FabrikantnummerMCP1700T-3302E/TT
FabrikantMicrochip
€ 0,249
Each (On a Reel of 3000)
Aantal stuks
- 3.3 V Fixed SOT-23 250mA Surface Mount 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS-stocknr. 806-5030
FabrikantnummerNCP5501DT50G
FabrikantON Semiconductor
€ 0,501
Each (In a Pack of 25)
Aantal stuks
- 5 V Fixed DPAK 500mA Surface Mount 6.073 V 16 V 3 1 Positive - ±2.9% -40 °C
RS-stocknr. 517-1422
FabrikantnummerTPS76933DBVT
€ 0,884
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed SOT-23 100mA Surface Mount 2.7 V 10 V 5 1 Positive 0.017mA ±3% -40 °C
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