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. 124-6511
Mfr. Part No.BU12TD3WG-TR
BrandROHM
TWD11.40
Each (In a Pack of 30)
units
- 1.2 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 131-2769
Mfr. Part No.BU30TD3WG-TR
BrandROHM
TWD11.40
Each (In a Pack of 50)
units
- 3 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 124-6472
Mfr. Part No.BD50GA3WEFJ-E2
BrandROHM
TWD18.20
Each (In a Pack of 15)
units
- 5 V Fixed HTSOP-J8 300mA Surface Mount 4.5 V 14 V 8 1 Positive - ±1% -25 °C
RS Stock No. 731-3820
Mfr. Part No.BD10KA5WFP-E2
BrandROHM
TWD40.80
Each (In a Pack of 5)
units
- 1 V Fixed TO-252 500mA Surface Mount 2.3 V 5.5 V 5 1 - 0.001mA ±1% -40 °C
RS Stock No. 124-6486
Mfr. Part No.BD733L5FP-CE2
BrandROHM
TWD73.30
Each (In a Pack of 3)
units
- 3.3 V Fixed TO-252 500mA Surface Mount 4.17 V 45 V 3 1 Positive 6µA ±2% -40 °C
RS Stock No. 167-7456
Mfr. Part No.BAJ5CC0FP-E2
BrandROHM
TWD44.00
Each (In a Pack of 10)
units
0.5 V @ 500 mA 15 V Fixed TO-252 1A Surface Mount 4 V 25 V 3 1 Positive - ±1% -40 °C
RS Stock No. 171-7672
Mfr. Part No.BD10IC0MEFJ-ME2
BrandROHM
TWD16.50
Each (On a Reel of 2500)
units
900mV 1 V Fixed HTSOP 1A Surface Mount 2.4 V 5.5 V 8 1 Positive - ±1% -40 °C
RS Stock No. 124-6515
Mfr. Part No.BU25TD3WG-TR
BrandROHM
TWD11.40
Each (In a Pack of 30)
units
- 2.5 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 167-7191
Mfr. Part No.BH33PB1WHFV-TR
BrandROHM
TWD17.20
Each (In a Pack of 25)
units
600 mV @ 150 mA 3.3 V Fixed HVSOF 150mA Surface Mount 1.7 V 5.5 V 5 1 Positive - ±1% -40 °C
RS Stock No. 171-7673
Mfr. Part No.BD12IA5MEFJ-ME2
BrandROHM
TWD13.70
Each (On a Reel of 2500)
units
900mV 1.2 V Fixed HTSOP 500mA Surface Mount 2.5 V 5.5 V 8 1 Positive - ±1% -40 °C
RS Stock No. 184-7441
Mfr. Part No.BD30KA5WFP-E2
BrandROHM
TWD34.60
Each (In a Pack of 10)
units
0.2 V @ 200 mA 3 V Fixed TO-252 500mA Surface Mount 2.3 V 5.5 V 5 + Tab 1 - - ±1% -40 °C
RS Stock No. 171-7629
Mfr. Part No.BD60GA5WEFJ-E2
BrandROHM
TWD19.30
Each (In a Pack of 50)
units
900mV 6 V Fixed HTSOP 500mA Surface Mount 4.5 V 14 V 8 1 Positive - ±1% -25 °C
RS Stock No. 167-7620
Mfr. Part No.BD33KA5WFP-E2
BrandROHM
TWD34.40
Each (In a Pack of 20)
units
0.2 V @ 200 mA 3.3 V Fixed TO-252 500mA Surface Mount 2.3 V 5.5 V 5 1 Positive - ±1% -40 °C
RS Stock No. 167-7429
Mfr. Part No.BA033CC0WFP-E2
BrandROHM
TWD48.20
Each (In a Pack of 10)
units
0.5 V @ 500 mA 3.3 V Fixed TO-252 1A Surface Mount 4 V 25 V 5 1 Positive - ±1% -40 °C
RS Stock No. 184-7464
Mfr. Part No.BA90BC0T
BrandROHM
TWD56.20
Each (In a Pack of 5)
units
0.5 V @ 500 mA 9 V Fixed TO-220FP 1A Through Hole 3 V 16 V 3 1 - - ±2% -40 °C
RS Stock No. 167-7515
Mfr. Part No.BA03CC0T
BrandROHM
TWD63.90
Each (In a Pack of 10)
units
0.5 V @ 500 mA 3 V Fixed TO-220FP 1A Through Hole 4 V 25 V 3 1 Positive - ±1% -40 °C
RS Stock No. 124-6473
Mfr. Part No.BD50GC0WEFJ-E2
BrandROHM
TWD22.20
Each (In a Pack of 15)
units
- 5 V Fixed HTSOP-J8 1A Surface Mount 4.5 V 14 V 8 1 Positive - ±1% -25 °C
RS Stock No. 184-7070
Mfr. Part No.BH25MA3WHFV-TR
BrandROHM
TWD14.50
Each (On a Reel of 3000)
units
90 mV @ 100 mA 2.5 V Fixed HVSOF 300mA Surface Mount 2.5 V 5.5 V 6 1 - - ±1% -40 °C
RS Stock No. 731-3467
Mfr. Part No.BA09CC0FP-E2
BrandROHM
TWD51.20
Each (In a Pack of 5)
units
- 9 V Fixed TO-252 1A Surface Mount 4 V 25 V 3 1 - 0.01mA ±2% -40 °C
RS Stock No. 731-3842
Mfr. Part No.BD15KA5WFP-E2
BrandROHM
TWD40.80
Each (In a Pack of 5)
units
- 1.5 V Fixed TO-252 500mA Surface Mount 2.3 V 5.5 V 5 1 - 0.001mA ±1% -40 °C