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. 122-3362
Mfr. Part No.AP2204R-3.3TRG1
R 1.977
Each (On a Reel of 1000)
units
- 3.3 V Fixed SOT-89 150mA Surface Mount 2.3 V 24 V 3 1 Positive 50µA - -40 °C
RS stock no. 828-7416
Mfr. Part No.AP2204R-3.3TRG1
R 4.82
Each (In a Pack of 50)
units
- 3.3 V Fixed SOT-89 150mA Surface Mount 2.3 V 24 V 3 1 Positive 50µA - -40 °C
RS stock no. 828-7353
Mfr. Part No.AP2127K-1.8TRG1
R 1.954
Each (In a Pack of 100)
units
- 1.8 V Fixed SOT-23 - Surface Mount 2.5 V 6 V 5 1 Positive 90µA ±2% -40 °C
RS stock no. 122-3352
Mfr. Part No.AP2127K-1.8TRG1
R 1.137
Each (On a Reel of 3000)
units
- 1.8 V Fixed SOT-23 - Surface Mount 2.5 V 6 V 5 1 Positive 90µA ±2% -40 °C
RS stock no. 170-8931
Mfr. Part No.AZ1117CH-1.8TRG1
R 1.151
Each (On a Reel of 4000)
units
- 1.8 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive 6mA ±1% -20 °C
RS stock no. 828-7599
Mfr. Part No.AZ1117CH-1.8TRG1
R 1.93
Each (In a Pack of 50)
units
- 1.8 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive 6mA ±1% -20 °C
RS stock no. 828-3509
Mfr. Part No.AP2112K-3.3TRG1
R 2.273
Each (In a Pack of 50)
units
- 3.3 V Fixed SOT-23 - Surface Mount 2.5 V 6 V 5 1 Positive 80µA ±1.5% -40 °C
RS stock no. 121-9647
Mfr. Part No.AP2112K-3.3TRG1
R 1.419
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 - Surface Mount 2.5 V 6 V 5 1 Positive 80µA ±1.5% -40 °C
RS stock no. 146-0950
Mfr. Part No.AZ1117H-3.3TRE1
R 1.486
Each (On a Reel of 4000)
units
- 3.3 V Fixed SOT-223 1A Surface Mount - 15 V 3+Tab 1 Positive 10mA 1% -40 °C
RS stock no. 921-0701
Mfr. Part No.AZ1117H-3.3TRE1
R 2.519
Each (In a Pack of 50)
units
- 3.3 V Fixed SOT-223 1A Surface Mount - 15 V 3+Tab 1 Positive 10mA 1% -40 °C
RS stock no. 828-7397
Mfr. Part No.AP2202K-3.3TRG1
R 1.918
Each (In a Pack of 100)
units
- 3.3 V Fixed SOT-23 150mA Surface Mount 2.5 V 13.2 V 5 1 Positive 95µA ±2% -40 °C
RS stock no. 122-3357
Mfr. Part No.AP2202K-3.3TRG1
R 1.243
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 150mA Surface Mount 2.5 V 13.2 V 5 1 Positive 95µA ±2% -40 °C
RS stock no. 828-3506
Mfr. Part No.AP2112K-1.8TRG1
R 4.755
Each (In a Pack of 50)
units
- 1.8 V Fixed SOT-23 - Surface Mount 2.5 V 6 V 5 1 Positive 80µA ±1.5% -40 °C
RS stock no. 121-9649
Mfr. Part No.AP2125K-3.3TRG1
R 1.137
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 - Surface Mount - 6 V 5 1 Positive 90µA ±2% -40 °C
RS stock no. 122-3348
Mfr. Part No.AP2112K-1.8TRG1
R 1.421
Each (On a Reel of 3000)
units
- 1.8 V Fixed SOT-23 - Surface Mount 2.5 V 6 V 5 1 Positive 80µA ±1.5% -40 °C
RS stock no. 828-7343
Mfr. Part No.AP2125K-3.3TRG1
R 1.95
Each (In a Pack of 100)
units
- 3.3 V Fixed SOT-23 - Surface Mount - 6 V 5 1 Positive 90µA ±2% -40 °C
RS stock no. 122-3379
Mfr. Part No.AZ1117CH-3.3TRG1
R 1.165
Each (On a Reel of 4000)
units
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive 6mA ±1% -20 °C
RS stock no. 828-7609
Mfr. Part No.AZ1117CH-3.3TRG1
R 1.935
Each (In a Pack of 50)
units
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive 6mA ±1% -20 °C
RS stock no. 828-7618
Mfr. Part No.AZ1117EH-ADJTRG1
R 4.08
Each (In a Pack of 50)
units
- - Adjustable SOT-223 - Surface Mount - 13 V 3+Tab 1 Positive 6mA ±1% -40 °C
RS stock no. 165-8648
Mfr. Part No.AZ1117EH-ADJTRG1
R 1.033
Each (On a Reel of 4000)
units
- - Adjustable SOT-223 - Surface Mount - 13 V 3+Tab 1 Positive 6mA ±1% -40 °C