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. 731-6848
Mfr. Part No.BH18PB1WHFV-TR
BrandROHM
HK$3.768
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. 167-7439
Mfr. Part No.BA50BC0WFP-E2
BrandROHM
HK$3.195
Each (In a Pack of 10)
units
- 5 V Fixed TO-252 1A Surface Mount 3 V 16 V 5 1 Positive - ±2% -40 °C
RS Stock No. 184-7414
Mfr. Part No.BD25IA5MEFJ-LBH2
BrandROHM
HK$7.496
Each (In a Pack of 10)
units
0.9 V @ 500 mA 2.5 V Fixed HTSOP 500mA Surface Mount 2.4 V 5.5 V 8 1 - - ±1% -40 °C
RS Stock No. 171-7821
Mfr. Part No.BD12IA5MEFJ-ME2
BrandROHM
HK$4.48
Each (In a Pack of 25)
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. 167-7542
Mfr. Part No.BA18BC0FP-E2
BrandROHM
HK$7.832
Each (In a Pack of 10)
units
- 1.8 V Fixed TO-252 1A Surface Mount 3 V 16 V 3 1 Positive - ±2% -40 °C
RS Stock No. 128-8861
Mfr. Part No.BAJ0CC0T
BrandROHM
HK$11.206
Each (In a Pack of 5)
units
- 10 V Fixed TO-220FP 1A Through Hole 4 V 25 V 3+Tab 1 Positive - ±1% -40 °C
RS Stock No. 171-7631
Mfr. Part No.BH15PB1WHFV-TR
BrandROHM
HK$3.123
Each (In a Pack of 50)
units
600mV 1.5 V Fixed HVSOF 150mA Surface Mount 1.7 V 5.5 V 5 1 Positive - ±1% -40 °C
RS Stock No. 124-6486
Mfr. Part No.BD733L5FP-CE2
BrandROHM
HK$17.72
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. 171-7709
Mfr. Part No.BA90DD0T
BrandROHM
HK$14.382
Each (In a Pack of 5)
units
500mV 9 V Fixed TO-220FP 2A Through Hole 3 V 25 V 3 1 Positive - ±1% -40 °C
RS Stock No. 171-7591
Mfr. Part No.BU20TD3WG-TR
BrandROHM
HK$1.239
Each (In a Pack of 100)
units
540mV 2 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 167-7595
Mfr. Part No.BA18DD0WHFP-TR
BrandROHM
HK$9.40
Each (In a Pack of 5)
units
0.7 V @ 2 A 1.8 V Fixed HRP 2A Surface Mount 3 V 25 V 5 1 Positive - ±1% -40 °C
RS Stock No. 171-7476
Mfr. Part No.BD42754FPJ-CE2
BrandROHM
HK$5.599
Each (On a Reel of 2000)
units
500mV 5 V Fixed TO-252 500mA Surface Mount 5.9 V 45 V 4 + Tab 1 Positive 75µA ±2% -40 °C
RS Stock No. 167-7448
Mfr. Part No.BA3259HFP-TR
BrandROHM
HK$10.721
Each (In a Pack of 10)
units
- 3.3 V Fixed HRP 1A Surface Mount 4.75 V 14 V 5 1 Positive - ±2% 0 °C
RS Stock No. 131-2763
Mfr. Part No.BU27TD3WG-TR
BrandROHM
HK$1.495
Each (In a Pack of 50)
units
- 2.7 V Fixed SSOP 200mA Surface Mount 1.7 V 6 V 5 1 Positive - ±1% -40 °C
RS Stock No. 171-7571
Mfr. Part No.BH29PB1WHFV-TR
BrandROHM
HK$3.123
Each (In a Pack of 50)
units
600mV 2.9 V Fixed HVSOF 150mA Surface Mount 1.7 V 5.5 V 5 1 Positive - ±1% -40 °C
RS Stock No. 184-7067
Mfr. Part No.BDJ2FC0WFP-E2
BrandROHM
HK$5.844
Each (On a Reel of 2000)
units
0.5 V @ 500 mA 12 V Fixed TO-252 1A Surface Mount 13 V 26.5 V 5 + Tab 1 - - ±1% -25 °C
RS Stock No. 167-7569
Mfr. Part No.BA05CC0FP-E2
BrandROHM
HK$8.29
Each (In a Pack of 10)
units
0.5 V @ 500 mA 5 V Fixed TO-252 1A Surface Mount 4 V 25 V 3 1 Positive - ±1% -40 °C
RS Stock No. 171-7669
Mfr. Part No.BD00IA5MEFJ-ME2
BrandROHM
HK$2.99
Each (On a Reel of 2500)
units
900mV 0.8 → 4.5 V Adjustable HTSOP 500mA Surface Mount 2.4 V 5.5 V 8 - Positive - ±1% -40 °C
RS Stock No. 171-7543
Mfr. Part No.BU15UA3WNVX-TL
BrandROHM
HK$1.34
Each (In a Pack of 100)
units
380mV 1.5 V Fixed SSON 300mA Surface Mount 1.7 V 5.5 V 4 1 Positive - ±1% -40 °C
RS Stock No. 184-7493
Mfr. Part No.BD33HC5MEFJ-LBH2
BrandROHM
HK$11.752
Each (In a Pack of 5)
units
1.2 V @ 1.5 A 3.3 V Fixed HTSOP 1.5A Surface Mount 4.5 V 8 V 8 1 - - ±1% -40 °C