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庫存編號 640-5007
製造零件編號LT1764AEQ-3.3#PBF
HK$62.02
單位
- 3.3 V Fixed D2PAK 3A Surface Mount 1.7 V 20 V 6 1 Positive 1mA - -40 °C
RS庫存編號 822-6859
製造零件編號LTC1844ES5-SD#TRMPBF
HK$24.114
/個 (每包:5個)
單位
- 1.25 → 6 V Adjustable TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 80µA - -40 °C
RS庫存編號 920-0076
製造零件編號LTC1844ES5-3.3#TRMPBF
HK$16.28
個 (在毎卷:500)
單位
- 3.3 V Fixed TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 80µA - -40 °C
RS庫存編號 761-9229
製造零件編號LTC1844ES5-BYP#TRMPBF
HK$23.56
單位
- 1.25 → 6 V Adjustable TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 0.08mA ±1.75% -40 °C
RS庫存編號 851-6718
製造零件編號LTC3025EDC#TRMPBF
HK$23.708
/個 (每包:5個)
單位
- 0.4 → 3.6 V Adjustable DFN 500mA Surface Mount 0.9 V 5.5 V 6 1 Positive - ±2% -40 °C
RS庫存編號 640-4846
製造零件編號LT1117CST#PBF
HK$39.38
單位
- - Adjustable SOT-223 800mA Surface Mount 2.45 V 15 V 3+Tab 1 Positive 5mA ±1% 0 °C
RS庫存編號 822-5985
製造零件編號LTC1844ES5-3.3#TRMPBF
HK$22.794
/個 (每包:5個)
單位
- 3.3 V Fixed TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 80µA - -40 °C
RS庫存編號 786-9904
製造零件編號LTC3026EDD#PBF
HK$43.06
單位
- 0.4 → 2.6 V Adjustable DFN 1.5A Surface Mount 1.14 V 3.5 V, 5.5 V 10 1 Positive - - -40 °C
RS庫存編號 155-9330
製造零件編號LTC3025EDC-1#TRMPBF
HK$19.078
個 (在毎卷:500)
單位
- 0.4 → 3.6 V Adjustable DFN 500mA Surface Mount 0.9 V 5.5 V 6 1 Positive - ±2% -40 °C
RS庫存編號 640-5142
製造零件編號LT1963EST-3.3#PBF
HK$44.32
單位
- 3.3 V Fixed SOT-223 1.5A Surface Mount 1.9 V 20 V 3+Tab 1 Positive 1mA - -40 °C
RS庫存編號 851-6727
製造零件編號LTC3025EDC-1#TRMPBF
HK$21.06
/個 (每包:5個)
單位
- 0.4 → 3.6 V Adjustable DFN 500mA Surface Mount 0.9 V 5.5 V 6 1 Positive - ±2% -40 °C
RS庫存編號 822-6856
製造零件編號LTC1844ES5-1.8#TRMPBF
HK$24.212
/個 (每包:5個)
單位
- 1.8 V Fixed TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 80µA - -40 °C
RS庫存編號 155-7575
製造零件編號LTC1844ES5-SD#TRMPBF
HK$17.143
個 (在毎卷:500)
單位
- 1.25 → 6 V Adjustable TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 80µA - -40 °C
RS庫存編號 396-499
製造零件編號LTC3026EMSE#PBF
HK$45.43
單位
- 0.4 → 2.6 V Adjustable MSOP 1.5A Surface Mount 1.14 V 5.5 V 10 1 Positive - - -40 °C
RS庫存編號 155-9327
製造零件編號LTC3025EDC#TRMPBF
HK$17.491
個 (在毎卷:500)
單位
- 0.4 → 3.6 V Adjustable DFN 500mA Surface Mount 0.9 V 5.5 V 6 1 Positive - ±2% -40 °C
RS庫存編號 155-6763
製造零件編號LTC3026EDD#PBF
HK$28.728
毎管:121 個
單位
- 0.4 → 2.6 V Adjustable DFN 1.5A Surface Mount 1.14 V 3.5 V, 5.5 V 10 1 Positive - - -40 °C
RS庫存編號 155-7574
製造零件編號LTC1844ES5-1.8#TRMPBF
HK$16.482
個 (在毎卷:500)
單位
- 1.8 V Fixed TSOT-23 350mA Surface Mount 1.6 V 6.5 V 5 1 Positive 80µA - -40 °C
RS庫存編號 153-3317
製造零件編號LTC3026EMSE#PBF
HK$27.795
毎管:50 個
單位
- 0.4 → 2.6 V Adjustable MSOP 1.5A Surface Mount 1.14 V 5.5 V 10 1 Positive - - -40 °C