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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Description Price 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 Stock No. 153-3422
Mfr. Part No.LT1086CT-5#PBF
kr 31,24
Each (In a Tube of 50)
Units
- 5 V Fixed TO-220 1.5A Through Hole - 20 V 3 1 Positive 5mA - 0 °C
RS Stock No. 545-5742
Mfr. Part No.LT1086CT-5#PBF
kr 42,37
Each
Units
- 5 V Fixed TO-220 1.5A Through Hole - 20 V 3 1 Positive 5mA - 0 °C
RS Stock No. 545-5720
Mfr. Part No.LT1085CT-5#PBF
kr 75,17
Each
Units
- 5 V Fixed TO-220 3A Through Hole 4.3 V 25 V 3 1 Positive 5mA ±1% 0 °C
RS Stock No. 145-6800
Mfr. Part No.LT1084IT#PBF
kr 81,09
Each (In a Tube of 50)
Units
- 1.25 28.5 V Adjustable TO-220 5A Through Hole 1.5 V 30 V 3 1 Positive 10mA - -40 °C
RS Stock No. 858-0835
Mfr. Part No.LT1084CT#PBF
kr 90,13
Each
Units
- 1.25 25 V Adjustable TO-220 5A Through Hole - 30 V 3 1 Positive - - 0 °C
RS Stock No. 145-5869
Mfr. Part No.LT1084CT#PBF
kr 63,144
Each (In a Tube of 50)
Units
- 1.25 25 V Adjustable TO-220 5A Through Hole - 30 V 3 1 Positive - - 0 °C
RS Stock No. 779-9038
Mfr. Part No.LT1084IT#PBF
kr 113,26
Each
Units
- 1.25 28.5 V Adjustable TO-220 5A Through Hole 1.5 V 30 V 3 1 Positive 10mA - -40 °C
RS Stock No. 145-1188
Mfr. Part No.LT1085CT-5#PBF
kr 52,841
Each (In a Tube of 50)
Units
- 5 V Fixed TO-220 3A Through Hole 4.3 V 25 V 3 1 Positive 5mA ±1% 0 °C
RS Stock No. 153-3330
Mfr. Part No.LT1763CS8-3.3#PBF
kr 31,305
Each (In a Tube of 100)
Units
- 3.3 V Fixed SOIC 500mA Surface Mount 1.8 V 20 V 8 1 Positive 0.03mA - -40 °C
RS Stock No. 917-3453
Mfr. Part No.LT3080EST#PBF
kr 25,403
Each (In a Tube of 78)
Units
- 0 30 V Adjustable SOT-223 1.1A Surface Mount 1.2 V 36 V 3+Tab 1 Positive - - -40 °C
RS Stock No. 411-958
Mfr. Part No.LT1763CS8-3.3#PBF
kr 41,18
Each
Units
- 3.3 V Fixed SOIC 500mA Surface Mount 1.8 V 20 V 8 1 Positive 0.03mA - -40 °C
RS Stock No. 423-557
Mfr. Part No.LT3080EST#PBF
kr 38,19
Each
Units
- 0 → 30 V Adjustable SOT-223 1.1A Surface Mount 1.2 V 36 V 3+Tab 1 Positive - - -40 °C
RS Stock No. 761-8169
Mfr. Part No.LT1175IST-5#PBF
kr 60,42
Each
Units
- -5 V Fixed SOT-223 500mA Surface Mount - 25 V 3+Tab 1 Negative 0.045mA 2.5% -40 °C
RS Stock No. 761-9229
Mfr. Part No.LTC1844ES5-BYP#TRMPBF
kr 23,93
Each
Units
- 1.25 6 V Adjustable TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 0.08mA ±1.75% -40 °C
RS Stock No. 153-3597
Mfr. Part No.LT1175IST-5#PBF
kr 45,066
Each (In a Tube of 78)
Units
- -5 V Fixed SOT-223 500mA Surface Mount - 25 V 3+Tab 1 Negative 0.045mA 2.5% -40 °C
RS Stock No. 153-3423
Mfr. Part No.LT1086CT-12#PBF
kr 31,24
Each (In a Tube of 50)
Units
- 12 V Fixed TO-220 1.5A Through Hole - 25 V 3 1 Positive 5mA - 0 °C
RS Stock No. 155-9378
Mfr. Part No.LT1084CT-12#PBF
kr 63,144
Each (In a Tube of 50)
Units
- 11.76 12.24 V Fixed TO-220 5A Through Hole - 25 V 3 1 Positive 10mA - 0 °C
RS Stock No. 545-5764
Mfr. Part No.LT1086CT-12#PBF
kr 42,37
Each
Units
- 12 V Fixed TO-220 1.5A Through Hole - 25 V 3 1 Positive 5mA - 0 °C
RS Stock No. 858-0712
Mfr. Part No.LT1963AES8#PBF
kr 45,415
Each (In a Pack of 2)
Units
- 1.21 20 V Adjustable SOIC 1.5A Surface Mount - 2.5 V 8 1 Positive 1mA - -40 °C
RS Stock No. 145-6423
Mfr. Part No.LT3021ES8#PBF
kr 29,91
Each (In a Tube of 100)
Units
- 0.2 9.5 V Adjustable SOIC 500mA Surface Mount 0.9 V 10 V 8 1 Positive 120µA - -40 °C