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. 128-8862
Mfr. Part No.BAJ2DD0T
BrandROHM
$5.046
Each (In a Pack of 5)
units
- 12 V Fixed TO-220FP 2A Through Hole 3 V 25 V 3+Tab 1 Positive - ±1% -40 °C
RS Stock No. 171-7682
Mfr. Part No.BD33C0AFP-CE2
BrandROHM
$2.736
Each (On a Reel of 2000)
units
500mV 3.3 V Fixed TO-252 1A Surface Mount 4.3 V 26.5 V 2 + Tab 1 Positive - ±1% -40 °C
RS Stock No. 171-7623
Mfr. Part No.BD50C0AFP-CE2
BrandROHM
$1.628
Each (In a Pack of 10)
units
500mV 5 V Fixed TO-252 1A Surface Mount 6 V 26.5 V 2 + Tab 1 Positive - ±2% -40 °C
RS Stock No. 167-7370
Mfr. Part No.BD10KA5FP-E2
BrandROHM
$1.672
Each (In a Pack of 20)
units
0.2 V @ 200 mA 1 V Fixed TO-252 500mA Through Hole 2.3 V 5.5 V 3 1 Positive - ±1% -40 °C
RS Stock No. 167-7387
Mfr. Part No.BAJ2DD0WHFP-TR
BrandROHM
$4.29
Each (In a Pack of 5)
units
0.7 V @ 2 A 12 V Fixed HRP 2A Surface Mount 3 V 25 V 5 1 Positive - ±1% -40 °C
RS Stock No. 184-7480
Mfr. Part No.BD33GA5MEFJ-LBH2
BrandROHM
$2.084
Each (In a Pack of 5)
units
1.2 V @ 500 mA 3.3 V Fixed HTSOP 500mA Surface Mount 4.5 V 14 V 8 1 - - ±1% -40 °C
RS Stock No. 775-7090
Mfr. Part No.BD00HC0WEFJ-E2
BrandROHM
$0.98
Each (In a Pack of 10)
units
- 1.5 → 7 V Adjustable HTSOP 1A Surface Mount 4.5 V 8 V 8 1 - - ±1% -25 °C
RS Stock No. 184-5316
Mfr. Part No.BU6651NUX-TR
BrandROHM
$1.771
Each (In a Pack of 10)
units
- 1.5 V, 1.8 V, 2.8 V Fixed VSON 200mA Surface Mount 2.5 V 5.5 V 8 3 - - ±1% -40 °C
RS Stock No. 171-7754
Mfr. Part No.BAJ6DD0WHFP-TR
BrandROHM
$3.652
Each (In a Pack of 10)
units
500mV 16 V Fixed HRP 2A Surface Mount 3 V 25 V 5 + Tab 1 Positive - ±1% -40 °C
RS Stock No. 184-7512
Mfr. Part No.BU18TA2WNVX-TR
BrandROHM
$1.02
Each (In a Pack of 50)
units
800 mV @ 200 mA 1.8 V Fixed SSON 200mA Surface Mount 2.5 V 5.5 V 4 1 - - ±1% -40 °C
RS Stock No. 775-7182
Mfr. Part No.BD15IC0WEFJ-E2
BrandROHM
$1.111
Each (In a Pack of 20)
units
- 1.5 V Fixed HTSOP 1A Surface Mount 2.4 V 5.5 V 8 1 - - ±1% -25 °C
RS Stock No. 128-8869
Mfr. Part No.BD33FC0WEFJ-E2
BrandROHM
$1.562
Each (In a Pack of 10)
units
- 1 → 15 V Adjustable HTSOP-J 1A Surface Mount 4 V 26 V 8 1 Positive - ±1% -25 °C
RS Stock No. 167-7238
Mfr. Part No.BA00CC0WT
BrandROHM
$4.082
Each (In a Pack of 5)
units
0.5 V @ 500 mA 3 → 15 V Adjustable TO-220FP 1A Through Hole 4 V 25 V 5 1 Positive - ±1% -40 °C
RS Stock No. 171-7711
Mfr. Part No.BA05CC0WT
BrandROHM
$3.465
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. 700-3242
Mfr. Part No.BD7820FP-E2
BrandROHM
$2.575
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. 167-7273
Mfr. Part No.BAJ2CC0T
BrandROHM
$3.63
Each (In a Pack of 5)
units
0.5 V @ 500 mA 12 V Fixed TO-220FP 1A Through Hole 4 V 25 V 3 1 Positive - ±1% -40 °C
RS Stock No. 171-7625
Mfr. Part No.BD50FA1FP3-ZTL
BrandROHM
$0.608
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. 171-7655
Mfr. Part No.BA90JC5T
BrandROHM
$1.782
Each (In a Tube of 500)
units
500mV 5 V Fixed TO-220FP 1.5A Through Hole 3 V 16 V 3 1 Positive - ±1% -40 °C
RS Stock No. 775-7093
Mfr. Part No.BD15HC0WEFJ-E2
BrandROHM
$0.834
Each (In a Pack of 10)
units
- 1.5 V Fixed HTSOP 1A Surface Mount 4.5 V 8 V 8 1 - - ±1% -25 °C
RS Stock No. 167-7584
Mfr. Part No.BD30KA5FP-E2
BrandROHM
$1.672
Each (In a Pack of 20)
units
0.2 V @ 200 mA 3 V Fixed TO-252 500mA Surface Mount 2.3 V 5.5 V 3 1 Positive - ±1% -40 °C