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. 731-3785
Mfr. Part No.BAJ0BC0WFP-E2
BrandROHM
SGD0.972
Each (In a Pack of 5)
units
- 10 V Fixed TO-252 1A Surface Mount 11 V 16 V 5 1 - 0.01mA ±2% -40 °C
RS Stock No. 731-3467
Mfr. Part No.BA09CC0FP-E2
BrandROHM
SGD2.11
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. 731-3687
Mfr. Part No.BA3662CP-V5E2
BrandROHM
SGD1.97
Each (In a Pack of 5)
units
- 3 → 15 V Adjustable TO-220CP-V5 300mA Through Hole 4 V 25 V 5 1 - 0.01mA ±2% -40 °C
RS Stock No. 731-6848
Mfr. Part No.BH18PB1WHFV-TR
BrandROHM
SGD0.616
Each (In a Pack of 5)
units
- 1.8 V Fixed HVSOF 150mA Surface Mount 1.7 V 5.5 V 5 1 - - ±1% -40 °C
RS Stock No. 124-6489
Mfr. Part No.BD750L5FP-CE2
BrandROHM
SGD2.777
Each (In a Pack of 3)
units
- 5 V Fixed TO-252 500mA Surface Mount 5.6 V 45 V 3 1 Positive 6µA ±2% -40 °C
RS Stock No. 124-6518
Mfr. Part No.BU33TD3WG-TR
BrandROHM
SGD0.24
Each (In a Pack of 30)
units
- 3.3 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 731-3445
Mfr. Part No.BA05CC0WFP-E2
BrandROHM
SGD1.256
Each (In a Pack of 5)
units
- 5 V Fixed TO-252 1A Surface Mount 4 V 25 V 5 1 - 0.01mA ±2% -40 °C
RS Stock No. 171-7583
Mfr. Part No.BU28UA3WNVX-TL
BrandROHM
SGD0.25
Each (In a Pack of 100)
units
220mV 2.8 V Fixed SSON 300mA Surface Mount 1.7 V 5.5 V 4 1 Positive - ±1% -40 °C
RS Stock No. 184-7039
Mfr. Part No.BD25IC0MEFJ-ME2
BrandROHM
SGD0.785
Each (On a Reel of 2500)
units
0.9 V @ 1 A 2.5 V Fixed HTSOP 1A Surface Mount 2.4 V 5.5 V 8 1 - - ±1% -40 °C
RS Stock No. 184-7423
Mfr. Part No.BA18BC0WFP-E2
BrandROHM
SGD1.249
Each (In a Pack of 10)
units
0.5 V @ 500 mA 1.8 V Fixed TO-252 1A Surface Mount 3 V 16 V 5 + Tab 1 - - ±2% -40 °C
RS Stock No. 184-7441
Mfr. Part No.BD30KA5WFP-E2
BrandROHM
SGD0.833
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. 171-7690
Mfr. Part No.BD33HC0MEFJ-ME2
BrandROHM
SGD0.776
Each (On a Reel of 2500)
units
1.2V 3.3 V Fixed HTSOP 1A Surface Mount 4.5 V 8 V 8 1 Positive - ±1% -40 °C
RS Stock No. 184-7688
Mfr. Part No.BD50HC0MEFJ-CE2
BrandROHM
SGD1.499
Each (In a Pack of 10)
units
1.2 V @ 1 A 5 V Fixed HTSOP 1A Surface Mount 4.5 V 8 V 8 1 - - ±3% -40 °C
RS Stock No. 731-6961
Mfr. Part No.BU25TA2WNVX-TR
BrandROHM
SGD0.645
Each (In a Pack of 10)
units
- 2.5 V Fixed SSON 200mA Surface Mount 2.5 V 5.5 V 5 1 - 0.001mA ±1% -40 °C
RS Stock No. 146-7632
Mfr. Part No.BU11TD3WG-GTR
BrandROHM
SGD0.216
Each (In a Pack of 50)
units
900mV 1.1 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 146-7608
Mfr. Part No.BD00GC0WEFJ-E2
BrandROHM
SGD0.58
Each (In a Pack of 25)
units
- 1.5 → 13 V Adjustable HTSOP-J 1A Surface Mount 4.5 V 14 V 8 1 Positive - ±1% -25 °C
RS Stock No. 124-6487
Mfr. Part No.BD750L2FP3-CE2
BrandROHM
SGD1.886
Each (In a Pack of 5)
units
- 5 V Fixed SOT223-4F 200mA Surface Mount 5.8 V 45 V 3+Tab 1 Positive 6µA ±2% -40 °C
RS Stock No. 146-7668
Mfr. Part No.BD60GC0WEFJ-E2
BrandROHM
SGD0.58
Each (In a Pack of 25)
units
- 6 V Fixed HTSOP-J 1A Surface Mount 4.5 V 14 V 8 1 Positive - ±1% -25 °C
RS Stock No. 184-7505
Mfr. Part No.BD3572YFP-ME2
BrandROHM
SGD2.356
Each (In a Pack of 5)
units
0.25 V @ 200 mA 2.8 → 12 V Adjustable TO-252 500mA Surface Mount 4.5 V 36 V 5 + Tab 1 - 30µA ±2 (Precision)% -40 °C
RS Stock No. 128-8875
Mfr. Part No.BD733L2EFJ-CE2
BrandROHM
SGD2.11
Each (In a Pack of 5)
units
- 3.3 V Fixed HTSOP-J 200mA Surface Mount 4.37 V 45 V 8 1 Positive - ±2% -40 °C