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. 145-8848
Mfr. Part No.TLE4253GSXUMA1
BrandInfineon
$1.318
Each (On a Reel of 2500)
units
- 2 V Tracking DSO 250mA Surface Mount 3.5 V 40 V 8 1 Positive 15mA 0.5% -40 °C
RS Stock No. 827-5325
Mfr. Part No.TLE4253GSXUMA1
BrandInfineon
$1.722
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. 919-8774
Mfr. Part No.TLE42712GATMA1
BrandInfineon
$2.449
Each (On a Reel of 1000)
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. 165-8093
Mfr. Part No.IFX1117MEVHTMA1
BrandInfineon
$0.411
Each (On a Reel of 4000)
units
- 3.23 → 3.365 V Adjustable SOT-223 1A Surface Mount 3.23 V 15 V 3+Tab 1 Positive - - 0 °C
RS Stock No. 165-5605
Mfr. Part No.TLE4254GSXUMA3
BrandInfineon
$1.49
Each (On a Reel of 2500)
units
- -5 → 45 V Tracking SOIC 70mA Surface Mount -20 V 45 V 8 1 Positive 150mA - -40 °C
RS Stock No. 110-7765
Mfr. Part No.TLE4275GV33ATMA1
BrandInfineon
$3.486
Each (In a Pack of 5)
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. 898-6915
Mfr. Part No.TLE4268GSXUMA1
BrandInfineon
$2.072
Each (In a Pack of 5)
units
- 5 V Fixed PG-DSO-8-16 250mA Surface Mount - 45 V 20 1 Positive - - -40 °C
RS Stock No. 752-8530
Mfr. Part No.TLE42962GV50HTSA1
BrandInfineon
$1.694
Each (In a Pack of 5)
units
- 4.8 → 5.2 V Fixed SCT595 30mA Surface Mount 4 V 45 V 5 1 Positive 1µA ±4% -40 °C
RS Stock No. 166-0909
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$1.917
Each (On a Reel of 4000)
units
- 5 V Fixed SOT-223 150mA Surface Mount 5.5 V 45 V 3+Tab 1 Positive 1µA ±3% -
RS Stock No. 178-7459
Mfr. Part No.TLE42632ESXUMA1
BrandInfineon
$1.673
Each (On a Reel of 2500)
units
- 5 V Fixed DSO 180mA Surface Mount -42 V 45 V 8 1 Positive - - -40 °C
RS Stock No. 166-0802
Mfr. Part No.TLE42764DV50ATMA1
BrandInfineon
$1.962
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. 165-5323
Mfr. Part No.IFX25001TCV50ATMA1
BrandInfineon
$0.941
Each (On a Reel of 1000)
units
- 5 V Fixed D2PAK (TO-263) 400mA Surface Mount 5.5 V 40 V 3 1 Positive 220µA 4% -40 °C
RS Stock No. 919-8761
Mfr. Part No.TLE42712AKSA1
BrandInfineon
$4.368
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. 825-9421
Mfr. Part No.TLE4266GHTMA1
BrandInfineon
$3.068
Each (In a Pack of 5)
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. 919-8787
Mfr. Part No.TLE4251DATMA1
BrandInfineon
$2.128
Each (On a Reel of 2500)
units
- -2 → 45 V Adjustable TO-252 800mA Surface Mount 4 V 40 V 5 1 Positive 2µA 0.5% -40 °C
RS Stock No. 892-2103
Mfr. Part No.IFX25001TCV50ATMA1
BrandInfineon
$1.815
Each (In a Pack of 10)
units
- 5 V Fixed D2PAK (TO-263) 400mA Surface Mount 5.5 V 40 V 3 1 Positive 220µA 4% -40 °C
RS Stock No. 827-5085
Mfr. Part No.IFX25401TEVATMA1
BrandInfineon
$1.092
Each (In a Pack of 25)
units
- 2.5 → 20 V Adjustable TO-252 400mA Surface Mount 4.5 V 40 V 5 1 Positive 220µA ±2% -40 °C
RS Stock No. 827-5176
Mfr. Part No.TLE42502GHTSA1
BrandInfineon
$1.01
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. 826-9030
Mfr. Part No.IFX1117MEV33HTMA1
BrandInfineon
$0.816
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. 906-2981
Mfr. Part No.TLE42632ESXUMA1
BrandInfineon
$2.077
Each (In a Pack of 10)
units
- 5 V Fixed DSO 180mA Surface Mount -42 V 45 V 8 1 Positive - - -40 °C