Low Dropout Linear Regulator

Low Dropout Linear Regulator Frequently Asked Questions

Linear Technology

This tutorial will provide frequently asked LDO questions  and their answers as well as explain common design issues and overview electrical specifications.
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Related Parts
ImageManufacturer Part NumberDescriptionRegulator TopologyVoltage - OutputAvailable QuantityBuy Now
IC REG LDO 5V 0.1A TSOT23-5LT1761ES5-5#TRPBFIC REG LDO 5V 0.1A TSOT23-5Positive Fixed5V2571 - Immediate
IC REG LDO ADJ 0.1A TSOT23-5LT1761ES5-BYP#TRMPBFIC REG LDO ADJ 0.1A TSOT23-5Positive Adjustable1.22 V ~ 20 V23105 - Immediate
IC REG LDO 3.3V 0.1A TSOT23-5LT1761ES5-3.3#TRMPBFIC REG LDO 3.3V 0.1A TSOT23-5Positive Fixed3.3V15317 - Immediate
IC REG LDO 5V 0.1A TSOT23-5LT1761ES5-5#TRMPBFIC REG LDO 5V 0.1A TSOT23-5Positive Fixed5V13895 - Immediate
IC REG LDO ADJ 0.1A TSOT23-5LT1761ES5-SD#TRMPBFIC REG LDO ADJ 0.1A TSOT23-5Positive Adjustable1.22 V ~ 20 V7594 - Immediate
IC REG LDO 1.8V 0.1A TSOT23-5LT1761ES5-1.8#TRMPBFIC REG LDO 1.8V 0.1A TSOT23-5Positive Fixed1.8V6548 - Immediate
IC REG LDO 3V 0.1A TSOT23-5LT1761ES5-3#TRMPBFIC REG LDO 3V 0.1A TSOT23-5Positive Fixed3V5529 - Immediate
IC REG LDO 2.5V 0.1A TSOT23-5LT1761ES5-2.5#TRMPBFIC REG LDO 2.5V 0.1A TSOT23-5Positive Fixed2.5V3918 - Immediate
IC REG LDO ADJ 20MA 6DFNLT3009EDC#TRMPBFIC REG LDO ADJ 20MA 6DFNPositive Adjustable0.6 V ~ 19.5 V1527 - Immediate
IC REG LDO ADJ 0.15A TSOT23-5LTC1844ES5-SD#TRMPBFIC REG LDO ADJ 0.15A TSOT23-5Positive Adjustable1.25 V ~ 6 V2515 - Immediate
IC REG LDO 3.3V 0.15A TSOT23-5LTC1844ES5-3.3#TRMPBFIC REG LDO 3.3V 0.15A TSOT23-5Positive Fixed3.3V1305 - Immediate
IC REG LDO 3.3V 20MA 6DFNLT3008EDC-3.3#TRMPBFIC REG LDO 3.3V 20MA 6DFNPositive Fixed3.3V5843 - Immediate
IC REG LDO 3.3V 20MA TSOT23-8LT3008ETS8-3.3#TRMPBFIC REG LDO 3.3V 20MA TSOT23-8Positive Fixed3.3V4376 - Immediate
IC REG LDO ADJ 20MA TSOT23-8LT3008ETS8#TRMPBFIC REG LDO ADJ 20MA TSOT23-8Positive Adjustable0.6 V ~ 44.5 V2348 - Immediate
IC REG LDO ADJ 0.3A 6DFNLTC3025EDC#TRMPBFIC REG LDO ADJ 0.3A 6DFNPositive Adjustable0.4 V ~ 3.6 V2567 - Immediate
IC REG LDO 5V 20MA TSOT23-8LT3008ETS8-5#TRMPBFIC REG LDO 5V 20MA TSOT23-8Positive Fixed5V1404 - Immediate
IC REG LDO ADJ 0.3A 8DFNLTC3035EDDB#TRMPBFIC REG LDO ADJ 0.3A 8DFNPositive Adjustable0.4 V ~ 3.6 V1675 - Immediate
IC REG LDO 1.2V 0.5A 6DFNLTC3025EDC-2#TRMPBFIC REG LDO 1.2V 0.5A 6DFNPositive Fixed1.2V641 - Immediate
IC REG LDO 3.3V 20MA TSOT23-8LT3008ITS8-3.3#TRMPBFIC REG LDO 3.3V 20MA TSOT23-8Positive Fixed3.3V1098 - Immediate
IC REG LDO NEG ADJ 0.2A TSOT23-5LT1964ES5-BYP#TRMPBFIC REG LDO NEG ADJ 0.2A TSOT23-5Negative Adjustable-1.22 V ~ -20 V21807 - Immediate
IC REG LDO NEG ADJ 0.2A TSOT23-5LT1964ES5-SD#TRMPBFIC REG LDO NEG ADJ 0.2A TSOT23-5Negative Adjustable-1.22 V ~ -20 V8815 - Immediate
IC REG LDO -5V 0.2A TSOT23-5LT1964ES5-5#TRMPBFIC REG LDO -5V 0.2A TSOT23-5Negative Fixed-5V2430 - Immediate
IC REG LDO ADJ 20MA TSOT23-5LT3014BES5#TRMPBFIC REG LDO ADJ 20MA TSOT23-5Positive Adjustable1.22 V ~ 60 V926 - Immediate
IC REG LDO ADJ 50MA 8MSOPLT3010EMS8E#TRPBFIC REG LDO ADJ 50MA 8MSOPPositive Adjustable1.275 V ~ 60 V7985 - Immediate
IC REG LDO NEG ADJ 0.2A TSOT23-5LT1964IS5-BYP#TRMPBFIC REG LDO NEG ADJ 0.2A TSOT23-5Negative Adjustable-1.22 V ~ -20 V1010 - Immediate
IC REG LDO 2.8V 0.1A TSOT23-5LT1761ES5-2.8#TRMPBFIC REG LDO 2.8V 0.1A TSOT23-5Positive Fixed2.8V1250 - Immediate
IC REG LDO ADJ 0.1A TSOT23-5LT1761IS5-BYP#TRMPBFIC REG LDO ADJ 0.1A TSOT23-5Positive Adjustable1.22 V ~ 20 V1494 - Immediate
IC REG LDO ADJ 0.1A TSOT23-5LT1761IS5-SD#TRMPBFIC REG LDO ADJ 0.1A TSOT23-5Positive Adjustable1.22 V ~ 20 V1182 - Immediate
IC REG LDO 1.8V 0.15A TSOT23-5LTC1844ES5-1.8#TRMPBFIC REG LDO 1.8V 0.15A TSOT23-5Positive Fixed1.8V511 - Immediate
IC REG LDO 2.5V 0.15A TSOT23-5LTC1844ES5-2.5#TRMPBFIC REG LDO 2.5V 0.15A TSOT23-5Positive Fixed2.5V246 - Immediate
IC REG LDO ADJ 0.5A 6DFNLTC3025EDC-1#TRMPBFIC REG LDO ADJ 0.5A 6DFNPositive Adjustable0.4 V ~ 3.6 V199 - Immediate
IC REG LDO ADJ 20MA TSOT23-5LT3014ES5#TRMPBFIC REG LDO ADJ 20MA TSOT23-5Positive Adjustable1.22 V ~ 60 V285 - Immediate
IC REG LDO ADJ 20MA 6DFNLT3008EDC#TRMPBFIC REG LDO ADJ 20MA 6DFNPositive Adjustable0.6 V ~ 44.5 V1217 - Immediate
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PTM Published on: 2011-05-16