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. 731-3791
Mfr. Part No.BAJ2CC0WFP-E2
BrandROHM
PHP41.038
Each (In a Pack of 5)
units
- 12 V Fixed TO-252 1A Surface Mount 4 V 25 V 5 1 - 0.01mA ±2% -40 °C
RS Stock No. 124-6445
Mfr. Part No.BA033CC0FP-E2
BrandROHM
PHP50.788
Each (In a Pack of 5)
units
- 3.3 V Fixed TO-252 1A Surface Mount 4 V 25 V 3 1 Positive - - -40 °C
RS Stock No. 731-3687
Mfr. Part No.BA3662CP-V5E2
BrandROHM
PHP65.64
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. 146-7608
Mfr. Part No.BD00GC0WEFJ-E2
BrandROHM
PHP19.239
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. 167-7309
Mfr. Part No.BD00KA5WFP-E2
BrandROHM
PHP39.11
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. 167-7611
Mfr. Part No.BA00CC0WFP-E2
BrandROHM
PHP49.228
Each (In a Pack of 10)
units
0.5 V @ 500 mA 3 → 15 V Adjustable TO-252 1A Surface Mount 4 V 25 V 5 1 Positive - ±1% -40 °C
RS Stock No. 167-7212
Mfr. Part No.BAJ2CC0FP-E2
BrandROHM
PHP66.15
Each (In a Pack of 10)
units
0.5 V @ 500 mA 12 V Fixed TO-252 1A Surface Mount 4 V 25 V 3 1 Positive - ±1% -40 °C
RS Stock No. 184-7453
Mfr. Part No.BD33C0AWFP-CE2
BrandROHM
PHP60.368
Each (In a Pack of 5)
units
0.5 V @ 500 mA 3.3 V Fixed TO-252 1A Surface Mount 4.3 V 26.5 V 5 + Tab 1 - - ±1% -40 °C
RS Stock No. 184-7029
Mfr. Part No.BA30BC0T
BrandROHM
PHP40.895
Each (In a Tube of 500)
units
0.5 V @ 500 mA 3 V Fixed TO-220FP 1A Through Hole 3 V 16 V 3 1 - - ±2% -40 °C
RS Stock No. 171-7652
Mfr. Part No.BA50JC5T
BrandROHM
PHP59.55
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. 184-8202
Mfr. Part No.BU31TA2WHFV-TR
BrandROHM
PHP15.579
Each (In a Pack of 50)
units
800 mV @ 200 mA 3.1 V Fixed HVSOF 200mA Surface Mount 2.5 V 5.5 V 5 1 - - ±1% -40 °C
RS Stock No. 184-7042
Mfr. Part No.BD33FC0FP-E2
BrandROHM
PHP36.221
Each (On a Reel of 2000)
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. 171-7819
Mfr. Part No.BD10IC0MEFJ-ME2
BrandROHM
PHP32.716
Each (In a Pack of 25)
units
900mV 1 V Fixed HTSOP 1A Surface Mount 2.4 V 5.5 V 8 1 Positive - ±1% -40 °C
RS Stock No. 146-7650
Mfr. Part No.BU19TD3WG-TR
BrandROHM
PHP7.447
Each (In a Pack of 50)
units
540mV 1.9 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 731-3779
Mfr. Part No.BA90DD0WHFP-TR
BrandROHM
PHP101.76
Each (In a Pack of 5)
units
- 9 V Fixed HRP 2A Surface Mount 3 V 25 V 5 1 - 0.01mA ±1% -40 °C
RS Stock No. 124-6447
Mfr. Part No.BA07CC0T
BrandROHM
PHP68.704
Each (In a Pack of 5)
units
- 7 V Fixed TO-220FP 1A Through Hole 4 V 25 V 3 1 Positive - - -40 °C
RS Stock No. 171-7553
Mfr. Part No.BD3571YFP-ME2
BrandROHM
PHP69.949
Each (In a Pack of 10)
units
480mV 5 V Fixed TO-252 500mA Surface Mount 5.5 V 36 V 2 + Tab 1 Positive 30µA ±2% -40 °C
RS Stock No. 731-3729
Mfr. Part No.BA50BC0T
BrandROHM
PHP99.604
Each (In a Pack of 5)
units
- 5 V Fixed TO-220FP 1A Through Hole 6 V 16 V 3 1 - 0.01mA ±2% -40 °C
RS Stock No. 171-7480
Mfr. Part No.BD433M2WEFJ-CE2
BrandROHM
PHP51.373
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. 178-0046
Mfr. Part No.BD1CIC0WHFV-GTR
BrandROHM
PHP9.688
Each (On a Reel of 3000)
units
- 1.8V V Fixed HVSOF6 1A Surface Mount 2.4 V 5.5 V 6 2 Positive - ±1% -25 °C