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 809-5407
製造零件編號TLV1117-33IDCY
HK$5.197
/個 (每包:20個)
單位
- 3.365 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 15mA - -40 °C
RS庫存編號 806-2059
製造零件編號MC33269ST-3.3T3G
HK$5.858
/個 (每包:20個)
單位
- 3.3 V Fixed SOT-223 800mA Surface Mount - 20 V 3+Tab 1 Positive 8mA ±1% -40 °C
RS庫存編號 620-1451
製造零件編號TPS73201DBVT
HK$11.166
/個 (每包:5個)
單位
- 1.2 → 5.5 V Adjustable SOT-23 250mA Surface Mount 1.7 V 5.5 V 5 1 Positive - ±0.5% -40 °C
RS庫存編號 145-0932
製造零件編號TLV1117-33IDCY
HK$4.331
毎管:80 個
單位
- 3.365 V Fixed SOT-223 800mA Surface Mount 4.7 V 15 V 3+Tab 1 Positive 15mA - -40 °C
RS庫存編號 100-5931
製造零件編號LM1117MP-5.0/NOPB
HK$3.947
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 145-6210
製造零件編號LT3080EDD#PBF
HK$24.592
毎管:121 個
單位
- 0 → 30 V Adjustable DFN 1.1A Surface Mount 1.2 V 36 V 8 1 Positive 1mA 1% -40 °C
RS庫存編號 817-5408
製造零件編號TPS73801DCQR
HK$25.196
/個 (每包:5個)
單位
- 1.21 → 20 V Adjustable SOT-223 1A Surface Mount 2.2 V 20 V 5+Tab 1 Positive 1µA - -40 °C
RS庫存編號 102-5682
製造零件編號LM1117IMP-ADJ/NOPB
HK$4.259
個 (在毎卷:1000)
單位
- 1.25 → 13.8 V Adjustable SOT-223 1.5A Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS庫存編號 802-2130
製造零件編號NCP1117ST50T3G
HK$3.173
/個 (每包:20個)
單位
- 5 V Fixed SOT-223 1A Surface Mount - 20 V 3+Tab 1 Positive 10mA ±1% 0 °C
RS庫存編號 533-9583
製造零件編號LM1117MP-5.0/NOPB
HK$16.25
單位
- 5 V Fixed SOT-223 800mA Surface Mount - 15 V 3+Tab 1 Positive - ±1% 0 °C
RS庫存編號 534-4608
製造零件編號LMS1587CS-3.3/NOPB
HK$20.77
單位
- 3.3 V Fixed D2PAK (TO-263) 3A Surface Mount 2.4 V 13 V 3 1 Positive - - 0 °C
RS庫存編號 124-5349
製造零件編號NCP1117ST50T3G
HK$1.208
個 (在毎卷:4000)
單位
- 5 V Fixed SOT-223 2.2A Surface Mount - 20 V 3+Tab 1 Positive 10mA ±1% 0 °C
RS庫存編號 422-485
製造零件編號TPS71812-33DRVT
HK$13.698
/個 (每包:5個)
單位
- 1.2 V, 3.3 V Fixed SON 200mA Surface Mount 2.7 V 6.5 V 6 2 Positive 0.09mA ±2.5% -40 °C
RS庫存編號 535-8663
製造零件編號LM1117IMP-ADJ/NOPB
HK$7.792
/個 (每包:5個)
單位
- 1.25 → 13.8 V Adjustable SOT-223 1.5A Surface Mount - 15 V 3+Tab 1 Positive - ±1% -40 °C
RS庫存編號 857-8845
製造零件編號TLE42764GV50ATMA1
BrandInfineon
HK$8.944
個 (在毎卷:1000)
單位
- 4.9 → 5.1 V Fixed D2PAK (TO-263) 1.1A Surface Mount 5.5 V 40 V 5 1 Positive 220µA ±2% -40 °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 761-8611
製造零件編號LT3080EDD#PBF
HK$38.57
單位
- 0 → 30 V Adjustable DFN 1.1A Surface Mount 1.2 V 36 V 8 1 Positive 1mA 1% -40 °C
RS庫存編號 145-6362
製造零件編號TPS79933DDCT
HK$4.016
個 (在毎卷:250)
單位
- 3.3 V Fixed SOT-23 200mA Surface Mount 2.7 V 6.5 V 5 1 Positive 0.04mA ±1% -40 °C
RS庫存編號 769-5790
製造零件編號NCP59151MN50TYG
HK$9.11
單位
- 5 V Fixed DFN 1.5A Surface Mount 2.24 V 13.5 V 8 1 Positive 80mA ±2% -40 °C
RS庫存編號 162-4782
製造零件編號LMS1587CS-3.3/NOPB
HK$16.75
毎管:45 個
單位
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