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

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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

TPS7A8400ARGRR IC REG LIN POS ADJ/PROG 3A 20QFN Texas Instruments	8,146 In Stock	1 : ¥40.04000 Cut Tape (CT) 3,000 : ¥20.09637 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable/Programmable	1	6.5V	0.8V	5.15V	0.45V @ 3A	3A	3 mA	5.5 mA	42dB ~ 25dB (10kHz ~ 500kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	20-VFQFN Exposed Pad	20-VQFN (3.5x3.5)
LT1763CDE-1.8#PBF IC REG LINEAR 1.8V 500MA 12DFN Analog Devices Inc.	371 In Stock	1 : ¥59.51000 Tube	-	Tube	Active	Positive	Fixed	1	20V	1.8V	-	0.45V @ 500mA	500mA	-	-	65dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	12-WFDFN Exposed Pad	12-DFN (4x3)

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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.