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. 911-5744
Mfr. Part No.MCP1703-5002E/DB
BrandMicrochip
TWD15.60
Each (In a Tube of 78)
units
- 5 V Fixed SOT-223 250mA Surface Mount 2.7 V 16 V 3+Tab 1 Positive 0.002mA ±2% -40 °C
RS Stock No. 669-4890
Mfr. Part No.MCP1703-5002E/DB
BrandMicrochip
TWD19.20
Each (In a Pack of 5)
units
- 5 V Fixed SOT-223 250mA Surface Mount 2.7 V 16 V 3+Tab 1 Positive 0.002mA ±2% -40 °C
RS Stock No. 165-4039
Mfr. Part No.MIC5219-3.3YM5-TR
BrandMicrochip
TWD23.00
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 500mA Surface Mount 2.5 V 12 V 5 1 Positive 8µA ±2% -40 °C
RS Stock No. 910-1685
Mfr. Part No.MIC5219-3.3YM5-TR
BrandMicrochip
TWD32.40
Each (In a Pack of 5)
units
- 3.3 V Fixed SOT-23 500mA Surface Mount 2.5 V 12 V 5 1 Positive 8µA ±2% -40 °C
RS Stock No. 145-9135
Mfr. Part No.MIC39102YM
BrandMicrochip
TWD39.70
Each (In a Tube of 95)
units
- 1.24 → 16 V Adjustable SOIC 1A Surface Mount 2.25 V 16 V 8 1 Positive - ±1% -40 °C
RS Stock No. 910-1556
Mfr. Part No.MIC5205-3.3YM5-TR
BrandMicrochip
TWD12.10
Each (In a Pack of 25)
units
- 3.3 V Fixed SOT-23 150mA Surface Mount 2.5 V 16 V 5 1 Positive 5µA 1% -40 °C
RS Stock No. 910-1559
Mfr. Part No.MIC39102YM
BrandMicrochip
TWD59.80
Each (In a Pack of 5)
units
- 1.24 → 16 V Adjustable SOIC 1A Surface Mount 2.25 V 16 V 8 1 Positive - ±1% -40 °C
RS Stock No. 669-5196
Mfr. Part No.MCP1826T-3002E/DC
BrandMicrochip
TWD22.80
Each (In a Pack of 5)
units
- 3 V Fixed SOT-223 1A Surface Mount 2.3 V 6 V 5+Tab 1 Positive 0.12mA ±2% -40 °C
RS Stock No. 144-5898
Mfr. Part No.MIC5205-3.3YM5-TR
BrandMicrochip
TWD8.00
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23 150mA Surface Mount 2.5 V 16 V 5 1 Positive 5µA 1% -40 °C
RS Stock No. 165-4675
Mfr. Part No.MCP1826T-3002E/DC
BrandMicrochip
TWD17.60
Each (On a Reel of 4000)
units
- 3 V Fixed SOT-223 1A Surface Mount 2.3 V 6 V 5+Tab 1 Positive 0.12mA ±2% -40 °C
RS Stock No. 669-4897
Mfr. Part No.MCP1703-3302E/DB
BrandMicrochip
TWD21.40
Each (In a Pack of 5)
units
- 3.3 V Fixed SOT-223 250mA Surface Mount 2.7 V 16 V 3+Tab 1 Positive 0.002mA ±2% -40 °C
RS Stock No. 889-5395
Mfr. Part No.MCP1702T-3302E/MB
BrandMicrochip
TWD11.90
Each (On a Reel of 1000)
units
- 3.3 V Fixed SOT-89 250mA Surface Mount 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 889-5890
Mfr. Part No.MCP1700T-3002E/TT
BrandMicrochip
TWD9.50
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. 669-5014
Mfr. Part No.MCP1824T-3002E/OT
BrandMicrochip
TWD14.60
Each (In a Pack of 5)
units
- 3 V Fixed SOT-23 300mA Surface Mount 2.1 V 6 V 5 1 Positive 0.12mA ±2.5% -40 °C
RS Stock No. 669-4872
Mfr. Part No.MCP1702T-3302E/MB
BrandMicrochip
TWD17.30
Each (In a Pack of 10)
units
- 3.3 V Fixed SOT-89 250mA Surface Mount 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 165-4666
Mfr. Part No.MCP1824T-3002E/OT
BrandMicrochip
TWD10.80
Each (On a Reel of 3000)
units
- 3 V Fixed SOT-23 300mA Surface Mount 2.1 V 6 V 5 1 Positive 0.12mA ±2.5% -40 °C
RS Stock No. 889-5916
Mfr. Part No.MCP1703-3302E/DB
BrandMicrochip
TWD16.70
Each (In a Tube of 78)
units
- 3.3 V Fixed SOT-223 250mA Surface Mount 2.7 V 16 V 3+Tab 1 Positive 0.002mA ±2% -40 °C
RS Stock No. 889-5569
Mfr. Part No.MCP1702T-3302E/CB
BrandMicrochip
TWD10.70
Each (On a Reel of 3000)
units
- 3.3 V Fixed SOT-23A 250mA Surface Mount 2.7 V 13.2 V 3 1 Positive 0.002mA ±0.4% -40 °C
RS Stock No. 698-9044
Mfr. Part No.MCP1700T-3302E/TT
BrandMicrochip
TWD13.00
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. 698-9063
Mfr. Part No.MCP1700T-3002E/TT
BrandMicrochip
TWD13.00
Each
units
- 3 V Fixed SOT-23 250mA Surface Mount 2.3 V 6 V 3 1 Positive 0.0016mA ±2% -40 °C