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. 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. 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. 823-5566
Mfr. Part No.TLE4275GATMA1
BrandInfineon
$5.398
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. 826-9484
Mfr. Part No.TLE42344GHTSA1
BrandInfineon
$2.244
Each (In a Pack of 25)
units
- 5 V Fixed SOT-223 100mA Surface Mount 5.5 V 45 V 3 - Positive 400µA 2% -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. 178-7476
Mfr. Part No.TLE4266GHTMA1
BrandInfineon
$1.505
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. 110-7730
Mfr. Part No.TLE4252DATMA1
BrandInfineon
$3.238
Each (In a Pack of 5)
units
- 1.5 V Tracking TO-252 500mA Surface Mount 3.5 V 40 V 5 1 Positive 150µA - -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. 897-7220
Mfr. Part No.IFX1117MEVHTMA1
BrandInfineon
$0.805
Each (In a Pack of 40)
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. 897-7396
Mfr. Part No.IFX27001TFVATMA1
BrandInfineon
$1.223
Each (In a Pack of 10)
units
- 1.25 → 38 V Adjustable TO-252 1A Surface Mount 3.2 V 40 V 3 1 Positive - - -40 °C
RS Stock No. 919-8783
Mfr. Part No.TLE4274DV33ATMA2
BrandInfineon
$1.41
Each (On a Reel of 2500)
units
- 3.17 → 3.44 V Fixed TO-252 - Surface Mount 4.7 V 40 V 3 1 Positive 100µA 4% -40 °C
RS Stock No. 165-6633
Mfr. Part No.TLE4284DV50ATMA1
BrandInfineon
$1.452
Each (On a Reel of 2500)
units
- 5 V Fixed TO-252 1A Surface Mount -0.3 V 40 V 3 1 Positive - 3% -40 °C
RS Stock No. 165-5826
Mfr. Part No.TLE42344GHTSA1
BrandInfineon
$1.21
Each (On a Reel of 1000)
units
- 5 V Fixed SOT-223 100mA Surface Mount 5.5 V 45 V 3 - Positive 400µA 2% -40 °C
RS Stock No. 857-8823
Mfr. Part No.TLE42744GV33ATMA1
BrandInfineon
$1.236
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. 166-0820
Mfr. Part No.TLE7469GV52AUMA1
BrandInfineon
$4.906
Each (On a Reel of 1000)
units
- 2.6 V, 5 V Fixed DSO 700mA Surface Mount 5.6 V 45 V 12 2 Positive 55µA ±2 (5 V) %, ±4 (2.6 V) % -40 °C
RS Stock No. 166-1131
Mfr. Part No.TLE42642GHTSA2
BrandInfineon
$1.728
Each (On a Reel of 1000)
units
- 5 V Fixed SOT-223 500mA Surface Mount 5.5 V 45 V 3+Tab 1 Positive 4mA ±3% -40 °C
RS Stock No. 110-7095
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$3.564
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. 753-3254
Mfr. Part No.TLE4284DV50ATMA1
BrandInfineon
$2.485
Each (In a Pack of 2)
units
- 5 V Fixed TO-252 1A Surface Mount -0.3 V 40 V 3 1 Positive - 3% -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. 166-0848
Mfr. Part No.TLE42662GSV33HTMA2
BrandInfineon
$1.84
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