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)	PSRR	Control Features	Protection Features	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

MIC5317-3.3YD5-TR IC REG LIN 3.3V 150MA TSOT23-5 Microchip Technology	1,902 In Stock	1 : ¥2.13000 Cut Tape (CT) 3,000 : ¥1.64196 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.31V @ 150mA	150mA	39 µA	80dB ~ 65dB (1kHz ~ 10kHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-23-5
AP2120N-3.3TRG1 IC REG LINEAR 3.3V 150MA SOT23 Diodes Incorporated	921,955 In Stock	1 : ¥2.30000 Cut Tape (CT) 3,000 : ¥0.42010 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.5V @ 150mA	150mA	50 µA	65dB (1kHz)	-	Over Current	-40°C ~ 85°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3

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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.