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
SGD1.91
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
SGD2.22
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. 731-3445
Mfr. Part No.BA05CC0WFP-E2
BrandROHM
SGD2.43
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. 124-6489
Mfr. Part No.BD750L5FP-CE2
BrandROHM
SGD3.16
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. 731-3687
Mfr. Part No.BA3662CP-V5E2
BrandROHM
SGD3.38
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. 124-6518
Mfr. Part No.BU33TD3WG-TR
BrandROHM
SGD0.493
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. 171-7617
Mfr. Part No.BD450M5FP-CE2
BrandROHM
SGD1.33
Each (In a Pack of 10)
units
750mV 5 V Fixed TO-252 500mA Surface Mount 5.9 V 42 V 2 + Tab 1 Positive 38µA ±2% -40 °C
RS Stock No. 700-3242
Mfr. Part No.BD7820FP-E2
BrandROHM
SGD2.46
Each (In a Pack of 2)
units
- - - TO-252 1A Surface Mount 2.3 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 184-7516
Mfr. Part No.BD00IC0MEFJ-LBH2
BrandROHM
SGD2.40
Each (In a Pack of 5)
units
0.9 V @ 1 A 0.8 → 4.5 V Adjustable HTSOP 1A Surface Mount 2.5 V 5.5 V 8 1 - - ±1% -40 °C
RS Stock No. 171-7665
Mfr. Part No.BD00GA3MEFJ-ME2
BrandROHM
SGD0.666
Each (On a Reel of 2500)
units
700mV 1.5 → 13 V Adjustable HTSOP 300mA Surface Mount 4.5 V 14 V 8 - Positive - ±1% -40 °C
RS Stock No. 167-7309
Mfr. Part No.BD00KA5WFP-E2
BrandROHM
SGD1.12
Each (In a Pack of 20)
units
0.2 V @ 200 mA 1 → 4 V Adjustable TO-252 500mA Surface Mount 2.3 V 5.5 V 5 1 Positive - ±1% -40 °C
RS Stock No. 146-7704
Mfr. Part No.BU2JTD3WG-TR
BrandROHM
SGD0.524
Each (In a Pack of 50)
units
460mV 2.85 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 171-7725
Mfr. Part No.BAJ0BC0T
BrandROHM
SGD2.64
Each (In a Pack of 10)
units
500mV 10 V Fixed TO-220FP 1A Through Hole 11 V 16 V 3 1 Positive - ±2% -40 °C
RS Stock No. 171-7645
Mfr. Part No.BA07CC0FP-E2
BrandROHM
SGD1.036
Each (On a Reel of 2000)
units
500mV 7 V Fixed TO-252 1A Surface Mount 4 V 25 V 2 + Tab 1 Positive - ±1% -40 °C
RS Stock No. 171-7711
Mfr. Part No.BA05CC0WT
BrandROHM
SGD3.10
Each (In a Pack of 10)
units
500mV 5 V Fixed TO-220FP 1A Through Hole 4 V 25 V 5 1 Positive - ±1% -40 °C
RS Stock No. 184-7470
Mfr. Part No.BD33FC0FP-E2
BrandROHM
SGD1.224
Each (In a Pack of 10)
units
0.5 V @ 500 mA 3.3 V Fixed TO-252 1A Surface Mount 4.3 V 26.5 V 3 + Tab 1 - - ±1% -25 °C
RS Stock No. 171-7625
Mfr. Part No.BD50FA1FP3-ZTL
BrandROHM
SGD0.56
Each (In a Pack of 50)
units
3V 5 V Fixed SOT-89 100mA Surface Mount 8 V 25 V 3 + Tab 1 Positive - ±1% -25 °C
RS Stock No. 171-7479
Mfr. Part No.BD433M2EFJ-CE2
BrandROHM
SGD1.294
Each (On a Reel of 2500)
units
450mV 3.3 V Fixed HTSOP 200mA Surface Mount 4.3 V 42 V 8 1 Positive 40µA ±2% -40 °C
RS Stock No. 184-7403
Mfr. Part No.BDJ5FC0WEFJ-E2
BrandROHM
SGD1.189
Each (In a Pack of 10)
units
0.5 V @ 500 mA 15 V Fixed HTSOP 1A Surface Mount 16 V 26.5 V 8 1 - - ±1% -25 °C
RS Stock No. 146-7608
Mfr. Part No.BD00GC0WEFJ-E2
BrandROHM
SGD1.092
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