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 168-6804
製造零件編號LD1117S33TR
HK$1.07
個 (在毎卷:2500)
單位
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% 0 °C
RS庫存編號 714-0697
製造零件編號LD1117S33TR
HK$2.692
/個 (每包:10個)
單位
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% 0 °C
RS庫存編號 165-7739
製造零件編號LD1117AS12TR
HK$1.30
個 (在毎卷:2500)
單位
- 1.2 V Fixed SOT-223 1.2A Surface Mount - 10 V 3+Tab 1 Positive 5mA ±2% 0 °C
RS庫存編號 686-9331
製造零件編號LD1117AS12TR
HK$4.285
/個 (每包:25個)
單位
- 1.2 V Fixed SOT-223 1.2A Surface Mount - 10 V 3+Tab 1 Positive 5mA ±2% 0 °C
RS庫存編號 686-9388
製造零件編號LD1117S33CTR
HK$2.448
/個 (每包:25個)
單位
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS庫存編號 189-1374
製造零件編號L4941BV
HK$9.12
單位
- 5 V Fixed TO-220 1A Through Hole - 16 V 3 1 Positive 4mA ±4% -40 °C
RS庫存編號 714-7799
製造零件編號LD1086D2T33TR
HK$7.53
/個 (每包:5個)
單位
- 3.3 V Fixed D2PAK 1.5A Surface Mount - 30 V 3 1 Positive 5mA ±1% -40 °C
RS庫存編號 168-6051
製造零件編號L4941BV
HK$6.03
毎管:50 個
單位
- 5 V Fixed TO-220 1A Through Hole - 16 V 3 1 Positive 4mA ±4% -40 °C
RS庫存編號 165-7750
製造零件編號LD1117S33CTR
HK$0.975
個 (在毎卷:2500)
單位
- 3.3 V Fixed SOT-223 1.3A Surface Mount - 15 V 3+Tab 1 Positive 5mA ±1% -40 °C
RS庫存編號 795-8965
製造零件編號LD39015M33R
HK$5.398
/個 (每包:10個)
單位
- 3.3 V Fixed SOT-23 150mA Surface Mount 1.5 V 5.5 V 5 1 Positive 70µA ±2% -40 °C
RS庫存編號 686-9195
製造零件編號LD1085D2M-R
HK$10.228
/個 (每包:5個)
單位
- 1.25 → 28 V Adjustable D2PAK 3A Surface Mount - 30 V 3 1 Positive 5mA ±1% -40 °C
RS庫存編號 686-9690
製造零件編號LD1085V50
HK$10.066
/個 (每包:5個)
單位
- 5 V Fixed TO-220 3A Through Hole - 30 V 3 1 Positive 5mA ±1% -40 °C
RS庫存編號 168-6582
製造零件編號LD1085V50
HK$8.008
毎管:50 個
單位
- 5 V Fixed TO-220 3A Through Hole - 30 V 3 1 Positive 5mA ±1% -40 °C
RS庫存編號 110-6570
製造零件編號STLQ015M21R
HK$5.218
/個 (每包:10個)
單位
- 2.1 V Fixed SOT-23 150mA Surface Mount 1.5 V 5.5 V 5 1 Positive 2.4µA ±3% -40 °C
RS庫存編號 298-8491
製造零件編號L4940V5
HK$11.79
單位
- 5 V Fixed TO-220 1.5A Through Hole - 17 V 3 1 Positive 5mA - -40 °C
RS庫存編號 168-6500
製造零件編號LD3985M33R
HK$1.886
個 (在毎卷:3000)
單位
- 3.3 V Fixed SOT-23 550mA Surface Mount 2.5 V 6 V 5 1 Positive 0.17mA ±2% -40 °C
RS庫存編號 168-6489
製造零件編號LD1085CDT-R
HK$3.677
個 (在毎卷:2500)
單位
- 1.25 → 28 V Adjustable DPAK 3A Surface Mount - 30 V 3 1 Positive - ±2% -40 °C
RS庫存編號 168-6058
製造零件編號L4940V5
HK$8.364
毎管:50 個
單位
- 5 V Fixed TO-220 1.5A Through Hole - 17 V 3 1 Positive 5mA - -40 °C
RS庫存編號 686-8802
製造零件編號LD3985M33R
HK$4.684
/個 (每包:5個)
單位
- 3.3 V Fixed SOT-23 550mA Surface Mount 2.5 V 6 V 5 1 Positive 0.17mA ±2% -40 °C
RS庫存編號 829-0371
製造零件編號LDCL015MR
HK$8.01
/個 (每包:10個)
單位
- 0.8 → 5 V Adjustable SOT-23 150mA Surface Mount 1.8 V 5.5 V 5 1 Positive 160µA ±3% -40 °C