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 146-2241
製造零件編號TS5205CX533 RFG
HK$1.132
個 (在毎卷:3000)
單位
- 3.3 V Fixed SOT-25 150mA Surface Mount 2.5 V 16 V 5 1 Positive 0.00001mA ±1.5% -40 °C
RS庫存編號 169-8949
製造零件編號TS9011SCX RFG
HK$1.037
個 (在毎卷:3000)
單位
- 3.3 V Fixed SOT-23 250mA Surface Mount - 12 V 3 1 Positive 0.002mA ±2% -40 °C
RS庫存編號 398-708
製造零件編號TS5205CX533 RFG
HK$1.302
/個 (每包:50個)
單位
- 3.3 V Fixed SOT-25 150mA Surface Mount 2.5 V 16 V 5 1 Positive 0.00001mA ±1.5% -40 °C
RS庫存編號 169-8941
製造零件編號TS2937CP33 ROG
HK$3.734
個 (在毎卷:2500)
單位
- 3.3 V Fixed TO-252 500mA Surface Mount -18 V 26 V 3 1 Positive 0.2mA ±2% -40 °C
RS庫存編號 398-625
製造零件編號TS9011SCX RFG
HK$2.759
/個 (每包:50個)
單位
- 3.3 V Fixed SOT-23 250mA Surface Mount - 12 V 3 1 Positive 0.002mA ±2% -40 °C
RS庫存編號 398-629
製造零件編號TS9011SCY RMG
HK$2.87
/個 (每包:50個)
單位
- 3.3 V Fixed SOT-89 250mA Surface Mount - 12 V 4 1 Positive 0.002mA ±2% -40 °C
RS庫存編號 398-619
製造零件編號TS2940CZ50 C0G
HK$14.031
/個 (每包:20個)
單位
- 5 V Fixed TO-220 1A Through Hole -18 V 26 V 3 1 Positive 0.075mA ±2% -40 °C
RS庫存編號 398-518
製造零件編號TS2937CP33 ROG
HK$5.31
/個 (每包:20個)
單位
- 3.3 V Fixed TO-252 500mA Surface Mount -18 V 26 V 3 1 Positive 0.2mA ±2% -40 °C
RS庫存編號 169-8948
製造零件編號TS2951CS50 RLG
HK$2.183
個 (在毎卷:2500)
單位
- 1.24 → 29 V Adjustable, Fixed SOP 150mA Surface Mount -0.3 V 30 V 8 1 Positive 0.075mA ±1.5% -40 °C
RS庫存編號 169-8950
製造零件編號TS9011SCY RMG
HK$1.067
個 (在毎卷:1000)
單位
- 3.3 V Fixed SOT-89 250mA Surface Mount - 12 V 4 1 Positive 0.002mA ±2% -40 °C
RS庫存編號 146-2239
製造零件編號TS2940CZ50 C0G
HK$4.907
毎管:50 個
單位
- 5 V Fixed TO-220 1A Through Hole -18 V 26 V 3 1 Positive 0.075mA ±2% -40 °C
RS庫存編號 398-499
製造零件編號TS1117BCW33 RPG
HK$5.425
/個 (每包:50個)
單位
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 4 1 Positive 8mA ±2% 0 °C
RS庫存編號 398-613
製造零件編號TS2951CS50 RLG
HK$3.781
/個 (每包:50個)
單位
- 1.24 → 29 V Adjustable, Fixed SOP 150mA Surface Mount -0.3 V 30 V 8 1 Positive 0.075mA ±1.5% -40 °C
RS庫存編號 169-8939
製造零件編號TS1117BCW33 RPG
HK$1.673
個 (在毎卷:2500)
單位
- 3.3 V Fixed SOT-223 800mA Surface Mount - 15 V 4 1 Positive 8mA ±2% 0 °C