Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Power Management (PMIC) | Electronic Components Distributor DigiKey

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Output Configuration	Output Type	Number of Regulators	Voltage - Input (Max)	Voltage - Output (Min/Fixed)	Voltage - Output (Max)	Voltage Dropout (Max)	Current - Output	Current - Quiescent (Iq)	Current - Supply (Max)	PSRR	Control Features	Protection Features	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
LT1965EDD#PBF IC REG LINEAR POS ADJ 1.1A 8DFN Analog Devices Inc.	868 In Stock	1 : $11.17000 Tube	-	Tube	Active	Positive	Adjustable	1	20V	1.2V	19.5V	0.49V @ 1.1A	1.1A	1.1 mA	40 mA	75dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	8-WFDFN Exposed Pad	8-DFN (3x3)
LT1963AES8#PBF IC REG LINEAR POS ADJ 1.5A 8SO Analog Devices Inc.	5,918 In Stock	1 : $12.26000 Tube	-	Tube	Active	Positive	Adjustable	1	20V	1.21V	20V	0.55V @ 1.5A	1.5A	1.5 mA	120 mA	63dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
LT3091EDE#TRPBF IC REG LIN NEG ADJ 1.5A 14DFN Analog Devices Inc.	3,491 In Stock	1 : $15.15000 Cut Tape (CT) 2,500 : $6.83310 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Adjustable	1	-36V	0V	-32V	0.45V @ 1.5A	1.5A	50.5 µA	-	85dB ~ 20dB (120Hz ~ 1MHz)	Current Limit, Enable	Over Current, Over Temperature, Reverse Polarity, Short Circuit	-40°C ~ 125°C	Surface Mount	14-WFDFN Exposed Pad	14-DFN (4x3)
LT3033EUDC#PBF IC REG LINEAR POS ADJ 3A 20QFN Analog Devices Inc.	10 In Stock	1 : $15.64000 Tube	-	Tube	Active	Positive	Adjustable	1	10V	0.2V	9.7V	0.24V @ 3A	3A	3.5 mA	60 mA	60dB ~ 52dB (120Hz ~ 1MHz)	Enable, Power Good	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	20-WFQFN Exposed Pad	20-QFN (3x4)
LT3045EDD#TRPBF IC REG LIN POS PROG 500MA 10DFN Analog Devices Inc.	0 In Stock Check Lead Time	1 : $14.89000 Cut Tape (CT) 2,500 : $6.67465 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	20V	0V	15V	0.45V @ 500mA	500mA	20 µA	25 mA	117dB ~ 53dB (120Hz ~ 10MHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	10-WFDFN Exposed Pad	10-DFN (3x3)

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Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Linear voltage regulators, including LDO (Low Drop Out) types, are used to provide a stable output voltage that is nominally invariant with respect to changes in load current, input voltage, or environmental factors. Their operating principle requires that the input voltage be maintained above the desired output voltage by some minimum amount, and function on the basis of converting whatever excess voltage is present at the input to heat. While this renders them less efficient than switch-mode voltage regulators for most applications, they are often better suited for applications with high sensitivity to noise.