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. 857-8832
Mfr. Part No.TLE4274GSV33HTSA2
BrandInfineon
$1.413
Each (On a Reel of 1000)
units
- 3.17 → 3.44 V Fixed SOT-223 600mA Surface Mount 4.7 V 40 V 3+Tab 1 Positive - ±4% -40 °C
RS Stock No. 826-9389
Mfr. Part No.IFX25001MEV33HTSA1
BrandInfineon
$1.107
Each (In a Pack of 25)
units
- 3.3 V Fixed SOT-223 400mA Surface Mount 4.7 V 45 V 3 - Positive 100µA 4% -40 °C
RS Stock No. 124-8758
Mfr. Part No.IFX25001MEV33HTSA1
BrandInfineon
$0.642
Each (On a Reel of 1000)
units
- 3.3 V Fixed SOT-223 400mA Surface Mount 4.7 V 45 V 4 - Positive 100µA 4% -40 °C
RS Stock No. 823-5566
Mfr. Part No.TLE4275GATMA1
BrandInfineon
$4.498
Each (In a Pack of 5)
units
- 4.9 → 5.1 V Fixed D2PAK (TO-263) - Surface Mount 5.5 V 42 V 5 1 Positive 180µA 2% -40 °C
RS Stock No. 166-0848
Mfr. Part No.TLE42662GSV33HTMA2
BrandInfineon
$1.513
Each (On a Reel of 4000)
units
- 3.3 V Fixed SOT-223 500mA Surface Mount 4.4 V 45 V 3+Tab 1 Positive 4mA ±3% -40 °C
RS Stock No. 110-7489
Mfr. Part No.TLE42662GSV33HTMA2
BrandInfineon
$2.785
Each (In a Pack of 10)
units
- 3.3 V Fixed SOT-223 500mA Surface Mount 4.4 V 45 V 3+Tab 1 Positive 4mA ±3% -40 °C
RS Stock No. 826-9409
Mfr. Part No.IFX20001MBV50HTSA1
BrandInfineon
$0.289
Each (In a Pack of 100)
units
- 5 V Fixed SCT595 30mA Surface Mount 5.5 V 45 V 5 - Positive 110µA 4% -40 °C
RS Stock No. 919-8759
Mfr. Part No.TLE4264GHTSA1
BrandInfineon
$1.334
Each (On a Reel of 1000)
units
- 5 V Fixed SOT-223 120mA Surface Mount 5.5 V 45 V 3+Tab 1 Positive 9mA ±2% -40 °C
RS Stock No. 110-7095
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$3.406
Each (In a Pack of 5)
units
- 5 V Fixed SOT-223 150mA Surface Mount 5.5 V 45 V 3+Tab 1 Positive 1µA ±3% -
RS Stock No. 165-5629
Mfr. Part No.IFX20001MBV50HTSA1
BrandInfineon
$0.275
Each (On a Reel of 3000)
units
- 5 V Fixed SCT595 30mA Surface Mount 5.5 V 45 V 5 - Positive 110µA 4% -40 °C
RS Stock No. 166-1103
Mfr. Part No.IFX20002MBV50HTSA1
BrandInfineon
$0.31
Each (On a Reel of 3000)
units
- 5 V Fixed SCT-595 30mA Surface Mount 5.5 V 45 V 5 1 Positive 170µA 4% -40 °C
RS Stock No. 906-3066
Mfr. Part No.TLE4473GV552AUMA1
BrandInfineon
$3.452
Each (In a Pack of 5)
units
- 5 V Fixed DSO-12-11 300mA Surface Mount 5.6 V 42 V 12 4 Positive 500µA 25mV -40 °C
RS Stock No. 166-0881
Mfr. Part No.TLE42702DATMA1
BrandInfineon
$3.007
Each (On a Reel of 2500)
units
- 5 V Fixed TO-252 850mA Surface Mount 6 V 42 V 5 1 Positive 90mA 2% -40 °C
RS Stock No. 165-5628
Mfr. Part No.IFX20001MBV33HTSA1
BrandInfineon
$0.275
Each (On a Reel of 3000)
units
- 3.3 V Fixed SCT595 30mA Surface Mount 4 V 45 V 5 - Positive 110µA 4% -40 °C
RS Stock No. 178-5077
Mfr. Part No.TLE4473GV552AUMA1
BrandInfineon
$2.773
Each (On a Reel of 1000)
units
- 5 V Fixed DSO-12-11 300mA Surface Mount 5.6 V 42 V 12 4 Positive 500µA 25mV -40 °C
RS Stock No. 178-7476
Mfr. Part No.TLE4266GHTMA1
BrandInfineon
$1.743
Each (On a Reel of 4000)
units
- 4.9 → 5.1 V Fixed SOT-223 120mA Surface Mount 5.5 V 45 V 3+Tab 1 Positive 150mA - -40 °C
RS Stock No. 110-9087
Mfr. Part No.TLE42702DATMA1
BrandInfineon
$3.364
Each (In a Pack of 5)
units
- 5 V Fixed TO-252 850mA Surface Mount 6 V 42 V 5 1 Positive 90mA 2% -40 °C
RS Stock No. 857-8823
Mfr. Part No.TLE42744GV33ATMA1
BrandInfineon
$1.123
Each (On a Reel of 1000)
units
- 3.23 → 3.37 V Fixed D2PAK (TO-263) 1.1A Surface Mount 4.7 V 40 V 3 1 Positive 220µA ±2% -40 °C
RS Stock No. 826-9402
Mfr. Part No.IFX20001MBV33HTSA1
BrandInfineon
$0.289
Each (In a Pack of 100)
units
- 3.3 V Fixed SCT595 30mA Surface Mount 4 V 45 V 5 - Positive 110µA 4% -40 °C
RS Stock No. 462-8084
Mfr. Part No.TLE4264GHTSA1
BrandInfineon
$2.198
Each (In a Pack of 5)
units
- 5 V Fixed SOT-223 120mA Surface Mount 5.5 V 45 V 3+Tab 1 Positive 9mA ±2% -40 °C