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

ADP171AUJZ-R7 IC REG LIN POS ADJ 300MA TSOT23 Analog Devices Inc.	5,121 In Stock	1 : $2.20000 Cut Tape (CT) 3,000 : $0.65232 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	3.6V	0.8V	3V	0.135V @ 300mA	300mA	60 µA	260 µA	73dB ~ 47dB (1kHz ~ 100kHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-23-5
LT1175CST-5#PBF IC REG LINEAR -5V 500MA SOT223-3 Analog Devices Inc.	1,789 In Stock	1 : $9.62000 Tube	-	Tube	Active	Negative	Fixed	1	-20V	-5V	-	0.7V @ 500mA	500mA	80 µA	-	60db ~ 15dB (1kHz ~ 100kHz)	Current Limit, Enable	-	0°C ~ 125°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223-3

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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.