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. 628-3661
Mfr. Part No.TC1185-3.3VCT713
BrandMicrochip
$0.61
Each (In a Pack of 10)
units
- 3.3 V Fixed SOT-23 150mA Surface Mount 2.7 V 6 V 5 1 Positive <0.0005mA ±2.5% -40 °C
RS Stock No. 911-5735
Mfr. Part No.TC1185-3.3VCT713
BrandMicrochip
$0.389
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 150mA Surface Mount 2.7 V 6 V 5 1 Positive <0.0005mA ±2.5% -40 °C
RS Stock No. 911-5697
Mfr. Part No.MCP1700-3302E/TO
BrandMicrochip
$0.38
Each (In a Bag of 1000)
units
- 3.3 V Fixed TO-92 250mA Through Hole 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS Stock No. 403-888
Mfr. Part No.MCP1700-3302E/TO
BrandMicrochip
$0.696
Each (In a Pack of 10)
units
- 3.3 V Fixed TO-92 250mA Through Hole 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS Stock No. 698-9044
Mfr. Part No.MCP1700T-3302E/TT
BrandMicrochip
$0.89
Each
units
- 3.3 V Fixed SOT-23 250mA Surface Mount 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS Stock No. 887-7429
Mfr. Part No.MCP1700T-3302E/TT
BrandMicrochip
$0.445
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 250mA Surface Mount 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS Stock No. 403-862
Mfr. Part No.MCP1702-1802E/TO
BrandMicrochip
$0.70
Each (In a Pack of 10)
units
- 1.8 V Fixed TO-92 250mA Through Hole 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 144-5724
Mfr. Part No.MCP1702-1802E/TO
BrandMicrochip
$0.59
Each (In a Bag of 1000)
units
- 1.8 V Fixed TO-92 250mA Through Hole 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 403-850
Mfr. Part No.MCP1702-3302E/TO
BrandMicrochip
$0.938
Each (In a Pack of 10)
units
- 3.3 V Fixed TO-92 250mA Through Hole 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 889-5691
Mfr. Part No.MCP1702-3302E/TO
BrandMicrochip
$0.489
Each (In a Bag of 1000)
units
- 3.3 V Fixed TO-92 250mA Through Hole 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 703-7905
Mfr. Part No.TC1262-3.3VDB
BrandMicrochip
$1.02
Each
units
- 3.3 V Fixed SOT-223 500mA Surface Mount 2.7 V 6 V 3+Tab 1 Positive - ±0.5% -40 °C
RS Stock No. 911-5732
Mfr. Part No.TC1262-3.3VDB
BrandMicrochip
$0.563
Each (In a Tube of 78)
units
- 3.3 V Fixed SOT-223 500mA Surface Mount 2.7 V 6 V 3+Tab 1 Positive - ±0.5% -40 °C
RS Stock No. 889-5890
Mfr. Part No.MCP1700T-3002E/TT
BrandMicrochip
$0.339
Each (On a Reel of 3000)
units
- 3 V Fixed SOT-23 250mA Surface Mount 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS Stock No. 698-9063
Mfr. Part No.MCP1700T-3002E/TT
BrandMicrochip
$0.72
Each
units
- 3 V Fixed SOT-23 250mA Surface Mount 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C
RS Stock No. 911-2893
Mfr. Part No.MIC29150-12WT
BrandMicrochip
$5.705
Each (In a Pack of 2)
units
- 12 V Fixed TO-220 1.5A Through Hole -20 V 60 V 3 1 Positive - 1% -40 °C
RS Stock No. 146-0322
Mfr. Part No.MIC29150-12WT
BrandMicrochip
$3.016
Each (In a Tube of 50)
units
- 12 V Fixed TO-220 1.5A Through Hole -20 V 60 V 3 1 Positive - 1% -40 °C
RS Stock No. 889-5519
Mfr. Part No.MCP1804T-5002I/OT
BrandMicrochip
$0.654
Each (On a Reel of 3000)
units
- 5 V Fixed SOT-23 150mA Surface Mount 2 V 28 V 5 1 Positive 0.05mA ±2% -40 °C
RS Stock No. 704-7633
Mfr. Part No.MCP1804T-5002I/OT
BrandMicrochip
$1.40
Each
units
- 5 V Fixed SOT-23 150mA Surface Mount 2 V 28 V 5 1 Positive 0.05mA ±2% -40 °C
RS Stock No. 770-9518
Mfr. Part No.MCP1703AT-3302E/MB
BrandMicrochip
$0.86
Each (On a Tape of 10)
units
- 3.3 V Fixed SOT-89 250mA Surface Mount 2.7 V 16 V 3 1 Positive 5µA 2% -40 °C
RS Stock No. 755-9521
Mfr. Part No.MCP1754ST-3302E/CB
BrandMicrochip
$0.556
Each (In a Pack of 5)
units
- 3.3 V Fixed SOT-23A 150mA Surface Mount 3.3 V 16 V 3 1 Positive 0.09mA 2% -40 °C