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. 165-1898
Mfr. Part No.TC1055-2.7VCT713
BrandMicrochip
HK$2.401
Each (On a Reel of 3000)
units
- 2.7 V Fixed SOT-23 100mA Surface Mount 2.7 V 6.5 V 5 1 Positive - ±0.5% -40 °C
RS Stock No. 823-4355
Mfr. Part No.TC1055-2.7VCT713
BrandMicrochip
HK$3.08
Each (In a Pack of 20)
units
- 2.7 V Fixed SOT-23 100mA Surface Mount 2.7 V 6.5 V 5 1 Positive - ±0.5% -40 °C
RS Stock No. 698-9044
Mfr. Part No.MCP1700T-3302E/TT
BrandMicrochip
HK$3.17
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
HK$2.40
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. 165-4613
Mfr. Part No.TC1014-2.5VCT713
BrandMicrochip
HK$2.24
Each (On a Reel of 3000)
units
- 2.5 V Fixed SOT-23 50mA Surface Mount 2.7 V 6 V 5 1 Positive <0.0005mA ±2.5% -40 °C
RS Stock No. 669-5207
Mfr. Part No.TC1014-2.5VCT713
BrandMicrochip
HK$2.82
Each (In a Pack of 10)
units
- 2.5 V Fixed SOT-23 50mA Surface Mount 2.7 V 6 V 5 1 Positive <0.0005mA ±2.5% -40 °C
RS Stock No. 821-1104
Mfr. Part No.TC1055-3.3VCT713
BrandMicrochip
HK$2.31
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 - Surface Mount 2.7 V 6.5 V 5 1 Positive - ±0.5% -40 °C
RS Stock No. 698-9063
Mfr. Part No.MCP1700T-3002E/TT
BrandMicrochip
HK$3.22
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. 821-1116
Mfr. Part No.TC1262-3.3VDBTR
BrandMicrochip
HK$3.34
Each (On a Reel of 4000)
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. 911-5520
Mfr. Part No.MCP1825S-3302E/DB
BrandMicrochip
HK$3.68
Each (In a Tube of 78)
units
- 3.3 V Fixed SOT-223 500mA Surface Mount 2.1 V 6 V 3+Tab 1 Positive 0.12mA ±0.5% -40 °C
RS Stock No. 403-862
Mfr. Part No.MCP1702-1802E/TO
BrandMicrochip
HK$4.17
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. 703-7905
Mfr. Part No.TC1262-3.3VDB
BrandMicrochip
HK$4.45
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. 165-4616
Mfr. Part No.TC1014-5.0VCT713
BrandMicrochip
HK$2.24
Each (On a Reel of 3000)
units
- 5 V Fixed SOT-23 50mA Surface Mount 2.7 V 6 V 5 1 Positive <0.0005mA ±2.5% -40 °C
RS Stock No. 911-5732
Mfr. Part No.TC1262-3.3VDB
BrandMicrochip
HK$3.68
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. 911-5735
Mfr. Part No.TC1185-3.3VCT713
BrandMicrochip
HK$2.40
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. 669-5219
Mfr. Part No.TC1014-5.0VCT713
BrandMicrochip
HK$2.616
Each (In a Pack of 10)
units
- 5 V Fixed SOT-23 50mA Surface Mount 2.7 V 6 V 5 1 Positive <0.0005mA ±2.5% -40 °C
RS Stock No. 669-5092
Mfr. Part No.MCP1825S-3302E/DB
BrandMicrochip
HK$4.46
Each (In a Pack of 5)
units
- 3.3 V Fixed SOT-223 500mA Surface Mount 2.1 V 6 V 3+Tab 1 Positive 0.12mA ±0.5% -40 °C
RS Stock No. 165-3306
Mfr. Part No.TC1014-3.3VCT713
BrandMicrochip
HK$2.24
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 50mA Surface Mount 2.7 V 6 V 5 1 Positive - ±2.5% -40 °C
RS Stock No. 889-5890
Mfr. Part No.MCP1700T-3002E/TT
BrandMicrochip
HK$2.40
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. 165-4274
Mfr. Part No.TC1014-2.7VCT713
BrandMicrochip
HK$2.282
Each (On a Reel of 3000)
units
- 2.7 V Fixed SOT-23 50mA Surface Mount 2.7 V 6 V 5 1 Positive - - -40 °C