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. 752-8533
Mfr. Part No.TLE42712AKSA1
BrandInfineon
PHP163.59
Each
units
- 4.9 → 5.1 V Fixed TO-220 800mA Surface Mount 6 V 40 V 7 1 Positive 10µA ±2% -40 °C
RS Stock No. 919-8761
Mfr. Part No.TLE42712AKSA1
BrandInfineon
PHP750.767
Each (In a Tube of 50)
units
- 4.9 → 5.1 V Fixed TO-220 800mA Surface Mount 6 V 40 V 7 1 Positive 10µA ±2% -40 °C
RS Stock No. 826-9030
Mfr. Part No.IFX1117MEV33HTMA1
BrandInfineon
PHP14.62
Each (In a Pack of 50)
units
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.5 V 20 V 3+Tab 1 Positive 5000µA 2% 0 °C
RS Stock No. 165-5913
Mfr. Part No.IFX1117MEV33HTMA1
BrandInfineon
PHP11.60
Each (On a Reel of 4000)
units
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.5 V 20 V 3+Tab 1 Positive 5000µA 2% 0 °C
RS Stock No. 462-8084
Mfr. Part No.TLE4264GHTSA1
BrandInfineon
PHP75.56
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
RS Stock No. 826-9162
Mfr. Part No.IFX25001TFV50ATMA1
BrandInfineon
PHP41.58
Each (In a Pack of 25)
units
- 5 V Fixed TO-252 400mA Surface Mount 5.5 V 45 V 3 1 Positive 100µA 4% -40 °C
RS Stock No. 906-3057
Mfr. Part No.TLE4275DV33ATMA1
BrandInfineon
PHP70.108
Each (In a Pack of 5)
units
- 3.3 V Fixed TO-252 400mA Surface Mount -42 V 45 V 5 1 Positive - - -40 °C
RS Stock No. 166-1197
Mfr. Part No.TLE4275GV33ATMA1
BrandInfineon
PHP86.498
Each (On a Reel of 1000)
units
- 3.3 V Fixed D2PAK (TO-263) 1A Surface Mount 4.4 V 42 V 5 1 Positive 30mA ±2% -40 °C
RS Stock No. 825-9193
Mfr. Part No.TLE4284DV33ATMA1
BrandInfineon
PHP68.284
Each (In a Pack of 10)
units
- 3.3 V Fixed TO-252 1A Surface Mount 6.4 V 40 V 3 1 Positive 800µA 3% -40 °C
RS Stock No. 906-2971
Mfr. Part No.TLE42754DATMA1
BrandInfineon
PHP81.90
Each (In a Pack of 10)
units
- 5 V Fixed TO-252 450mA Surface Mount -42 V 45 V 5 1 Positive - - -40 °C
RS Stock No. 897-7295
Mfr. Part No.IFX27001TFV33ATMA1
BrandInfineon
PHP37.808
Each (In a Pack of 10)
units
- 3.3 V Fixed TO-252 1A Surface Mount 3.2 V 40 V 3 1 Positive - - -40 °C
RS Stock No. 857-8832
Mfr. Part No.TLE4274GSV33HTSA2
BrandInfineon
PHP59.55
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. 165-5878
Mfr. Part No.TLE4295GV50HTSA1
BrandInfineon
PHP34.379
Each (On a Reel of 3000)
units
- 5 V Fixed SCT595 30mA Surface Mount 3.5 V 45 V 5 1 Positive 200µA 4% -40 °C
RS Stock No. 166-0848
Mfr. Part No.TLE42662GSV33HTMA2
BrandInfineon
PHP56.725
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. 753-3239
Mfr. Part No.TLE42712GATMA1
BrandInfineon
PHP155.40
Each
units
- 4.9 → 5.1 V Fixed D2PAK (TO-263) 800mA Surface Mount 6 V 40 V 7 1 Positive 10µA ±2% -40 °C
RS Stock No. 165-5969
Mfr. Part No.IFX25401TEV50ATMA1
BrandInfineon
PHP31.514
Each (On a Reel of 2500)
units
- 5 V Fixed TO-252 400mA Surface Mount 5.5 V 40 V 5 1 Positive 220µA ±2% -40 °C
RS Stock No. 827-5325
Mfr. Part No.TLE4253GSXUMA1
BrandInfineon
PHP70.092
Each (In a Pack of 20)
units
- 2 V Tracking DSO 250mA Surface Mount 3.5 V 40 V 8 1 Positive 15mA 0.5% -40 °C
RS Stock No. 825-9061
Mfr. Part No.TLE42742DV50ATMA1
BrandInfineon
PHP63.52
Each (In a Pack of 10)
units
- 5 V Fixed TO-252 600mA Surface Mount 5.5 V 40 V 3 1 Positive - - -40 °C
RS Stock No. 827-5176
Mfr. Part No.TLE42502GHTSA1
BrandInfineon
PHP42.26
Each (In a Pack of 25)
units
- - Tracking SCT595 50mA Surface Mount 4 V 40 V 5 1 Positive 200µA 0.5% -40 °C
RS Stock No. 166-1103
Mfr. Part No.IFX20002MBV50HTSA1
BrandInfineon
PHP8.66
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