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. 686-8708
FabrikantnummerLD29150DT50R
€ 0,862
Each (In a Pack of 5)
Aantal stuks
- 5 V Fixed DPAK 1.5A Surface Mount - 30 V 3 1 Positive 15mA ±1% -40 °C
RS-stocknr. 535-8635
FabrikantnummerLM1117IMP-3.3/NOPB
€ 0,906
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS-stocknr. 189-1374
FabrikantnummerL4941BV
€ 2,22
Each
Aantal stuks
- 5 V Fixed TO-220 1A Through Hole - 16 V 3 1 Positive 4mA ±4% -40 °C
RS-stocknr. 686-9388
FabrikantnummerLD1117S33CTR
€ 0,302
Each (In a Pack of 25)
Aantal stuks
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS-stocknr. 917-3447
FabrikantnummerLT1965EMS8E#PBF
FabrikantAnalog Devices
€ 2,724
Each (In a Tube of 50)
Aantal stuks
- 1.2 → 19.5 V Adjustable MSOP 1.1A Surface Mount 1.8 V 20 V 8 1 Positive 0.5mA - -40 °C
RS-stocknr. 146-0129
FabrikantnummerMCP1826S-3302E/AB
FabrikantMicrochip
€ 0,737
Each (In a Tube of 50)
Aantal stuks
- 3.3 V Fixed TO-220 1A Through Hole 2.3 V 6 V 3 1 Positive 0.12mA ±2% -40 °C
RS-stocknr. 168-6058
FabrikantnummerL4940V5
€ 1,143
Each (In a Tube of 50)
Aantal stuks
- 5 V Fixed TO-220 1.5A Through Hole - 17 V 3 1 Positive 5mA - -40 °C
RS-stocknr. 620-1423
FabrikantnummerTPS73101DBVT
€ 1,112
Each (In a Pack of 5)
Aantal stuks
- 1.2 → 5.5 V Adjustable SOT-23 150mA Surface Mount 1.7 V 5.5 V 5 1 Positive <0.001mA ±0.5% -40 °C
RS-stocknr. 912-6870
FabrikantnummerMCP1702-5002E/TO
FabrikantMicrochip
€ 0,33
Each (In a Bag of 1000)
Aantal stuks
- 5 V Fixed TO-92 250mA Through Hole 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS-stocknr. 761-8560
FabrikantnummerLT1964EDD#PBF
FabrikantAnalog Devices
€ 3,20
Each
Aantal stuks
- -20 → -1.2 V Adjustable DFN 200mA Surface Mount -20 V 20 V 8 1 Negative 0.03mA - -40 °C
RS-stocknr. 661-3778
FabrikantnummerTLV1117-33IDCYR
€ 0,614
Each (In a Pack of 5)
Aantal stuks
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 5mA - -40 °C
RS-stocknr. 755-9524
FabrikantnummerMCP1754ST-5002E/CB
FabrikantMicrochip
€ 0,37
Each (In a Pack of 5)
Aantal stuks
- 5 V Fixed SOT-23A 150mA Surface Mount 3.3 V 16 V 3 1 Positive 0.09mA 2% -40 °C
RS-stocknr. 686-9105
FabrikantnummerLE45CD-TR
€ 0,525
Each (In a Pack of 10)
Aantal stuks
- 4.5 V Fixed SOIC 100mA Surface Mount - 18 V 8 1 Positive 1.5mA ±2% -40 °C
RS-stocknr. 298-8491
FabrikantnummerL4940V5
€ 2,23
Each
Aantal stuks
- 5 V Fixed TO-220 1.5A Through Hole - 17 V 3 1 Positive 5mA - -40 °C
RS-stocknr. 423-494
FabrikantnummerLT1965EMS8E#PBF
FabrikantAnalog Devices
€ 4,10
Each
Aantal stuks
- 1.2 → 19.5 V Adjustable MSOP 1.1A Surface Mount 1.8 V 20 V 8 1 Positive 0.5mA - -40 °C
RS-stocknr. 170-9148
FabrikantnummerHT7533-1-SOT89
FabrikantHoltek
€ 0,364
Each (On a Reel of 1000)
Aantal stuks
- 3.3 V Fixed SOT-89 100mA Surface Mount - 30 V 3 1 Positive 4µA ±3% -40 °C
RS-stocknr. 162-9097
FabrikantnummerNCV1117ST33T3G
FabrikantON Semiconductor
€ 0,237
Each (On a Reel of 4000)
Aantal stuks
- 3.3 V Fixed SOT-223 1A Surface Mount - 20 V 3+Tab 1 Positive 10mA ±1% -40 °C
RS-stocknr. 145-0795
FabrikantnummerLT3010EMS8E#PBF
FabrikantAnalog Devices
€ 2,199
Each (In a Tube of 50)
Aantal stuks
- 1.275 → 60 V Adjustable MSOP 50mA Surface Mount 3 V 80 V 8 1 Positive 0.03mA - -40 °C
RS-stocknr. 102-5724
FabrikantnummerLMS8117AMP-3.3/NOPB
€ 0,445
Each (On a Reel of 1000)
Aantal stuks
- 3.3 V Fixed SOT-223 1A Surface Mount 2.5 V 15 V 3+Tab 1 Positive - ±1% 0 °C
RS-stocknr. 686-9767
FabrikantnummerLD1117V33C
€ 0,439
Each (In a Pack of 10)
Aantal stuks
- 3.3 V Fixed TO-220 1.3A Through Hole - 15 V 3 1 Positive 5mA ±1% -40 °C
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