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 661-6187
製造零件編號REG104GA-3.3
TWD178
單位
- 3.3 V Fixed SOT-223 1A Surface Mount 2.1 V 15 V 5+Tab 1 Positive - ±2% -40 °C
RS庫存編號 100-5931
製造零件編號LM1117MP-5.0/NOPB
TWD16
個 (在毎卷:1000)
單位
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS庫存編號 533-9583
製造零件編號LM1117MP-5.0/NOPB
TWD35
單位
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS庫存編號 155-9378
製造零件編號LT1084CT-12#PBF
TWD215
毎管:50 個
單位
- 11.76 → 12.24 V Fixed TO-220 5A Through Hole - 25 V 3 1 Positive 10mA - 0 °C
RS庫存編號 858-0838
製造零件編號LT1084CT-12#PBF
TWD227
單位
- 11.76 → 12.24 V Fixed TO-220 5A Through Hole - 25 V 3 1 Positive 10mA - 0 °C
RS庫存編號 121-8831
製造零件編號LM2940T-9.0/NOPB
TWD26
毎管:45 個
單位
- 9 V Fixed TO-220 1A Through Hole 10.5 V 26 V 3 1 Positive - - -40 °C
RS庫存編號 669-4890
製造零件編號MCP1703-5002E/DB
BrandMicrochip
TWD19
/個 (每包:5個)
單位
- 5 V Fixed SOT-223 250mA Surface Mount 2.7 V 16 V 3+Tab 1 Positive 0.002mA ±2% -40 °C
RS庫存編號 911-5744
製造零件編號MCP1703-5002E/DB
BrandMicrochip
TWD16
毎管:78 個
單位
- 5 V Fixed SOT-223 250mA Surface Mount 2.7 V 16 V 3+Tab 1 Positive 0.002mA ±2% -40 °C
RS庫存編號 460-461
製造零件編號LM2941S/NOPB
TWD75
/個 (每包:5個)
單位
- 5 → 20 V Adjustable D2PAK (TO-263) 1A Surface Mount -15 V 26 V 5 1 Positive - - -40 °C
RS庫存編號 153-3327
製造零件編號LT1964ES5-5#TRMPBF
TWD74
個 (在毎卷:500)
單位
- -5 V Fixed TSOT-23 200mA Surface Mount 0 V 40 V 5 1 Negative 0.03mA - -40 °C
RS庫存編號 411-908
製造零件編號LT1964ES5-5#TRMPBF
TWD137
單位
- -5 V Fixed TSOT-23 200mA Surface Mount 0 V 40 V 5 1 Negative 0.03mA - -40 °C
RS庫存編號 923-2537
製造零件編號LM2941S/NOPB
TWD43
毎管:45 個
單位
- 5 → 20 V Adjustable D2PAK (TO-263) 1A Surface Mount -15 V 26 V 5 1 Positive - - -40 °C
RS庫存編號 660-7975
製造零件編號TLV1117-33CDCY
TWD23
單位
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 5mA - 0 °C
RS庫存編號 923-3827
製造零件編號TLV1117-33CDCY
TWD12
毎管:80 個
單位
- 3.3 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 5mA - 0 °C
RS庫存編號 828-7426
製造零件編號AP2210N-3.3TRG1
TWD5
/個 (每包:100個)
單位
- 3.3 V Fixed SOT-23 300mA Surface Mount 2.5 V 13.2 V 3 1 Positive 100µA ±2% -40 °C
RS庫存編號 177-7146
製造零件編號LT3020EMS8#PBF
TWD85
毎管:50 個
單位
- 0.2 → 9.5 V Adjustable MSOP 100mA Surface Mount 0.9 V 10 V 8 1 Positive 0.12mA - -40 °C
RS庫存編號 122-3364
製造零件編號AP2210N-3.3TRG1
TWD3
個 (在毎卷:3000)
單位
- 3.3 V Fixed SOT-23 300mA Surface Mount 2.5 V 13.2 V 3 1 Positive 100µA ±2% -40 °C
RS庫存編號 506-0653
製造零件編號LT3020EMS8#PBF
TWD113
/個 (每包:5個)
單位
- 0.2 → 9.5 V Adjustable MSOP 100mA Surface Mount 0.9 V 10 V 8 1 Positive 0.12mA - -40 °C
RS庫存編號 533-9527
製造零件編號LM1117DT-3.3/NOPB
TWD51
單位
- 3.3 V Fixed TO-252 800mA Surface Mount - 15 V 3 1 Positive - ±1% 0 °C
RS庫存編號 145-6867
製造零件編號LT1763CS8#PBF
TWD99
毎管:100 個
單位
- 1.22 → 20 V Adjustable SOIC 500mA Surface Mount 1.8 V 20 V 8 1 Positive 0.03mA - -40 °C