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

LT3012EDE#TRPBF IC REG LIN POS ADJ 250MA 12DFN Analog Devices Inc.	14,593 In Stock	1 : $7.93000 Cut Tape (CT) 2,500 : $3.17500 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	80V	1.24V	60V	0.62V @ 250mA	250mA	100 µA	18 mA	75dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	12-WFDFN Exposed Pad	12-DFN (4x3)
AP7381-50Y-13 IC REG LINEAR 5V 150MA SOT89 Diodes Incorporated	0 In Stock	1 : $0.52000 Cut Tape (CT) 2,500 : $0.12197 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Not For New Designs	Positive	Fixed	1	40V	5V	-	1V @ 100mA	150mA	2.5 µA	25 µA	-	-	Current Limit, Thermal Shutdown	-40°C ~ 125°C (TJ)	Surface Mount	TO-243AA	SOT-89-3

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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.