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

SPX2945M3-L-3-3/TR IC REG LINEAR 3.3V 400MA SOT223 MaxLinear, Inc.	5,856 In Stock	1 : $2.94000 Cut Tape (CT) 2,500 : $1.34530 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	3.3V	-	0.7V @ 400mA	400mA	300 µA	25 mA	31dB (100kHz)	-	Over Current, Over Temperature	-40°C ~ 85°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
TPS71530DCKR IC REG LINEAR 3V 50MA SC70-5 Texas Instruments	22,039 In Stock	1 : $1.24000 Cut Tape (CT) 3,000 : $0.51664 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	24V	3V	-	0.75V @ 50mA	50mA	4.2 µA	-	60dB (100kHz)	-	Over Current	-40°C ~ 125°C	Surface Mount	5-TSSOP, SC-70-5, SOT-353	SC-70-5

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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.