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

NCP718BSN330T1G IC REG LIN 3.3V 300MA TSOT23-5 onsemi	36,578 In Stock	1 : ¥4.68000 Cut Tape (CT) 3,000 : ¥1.67912 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	24V	3.3V	-	0.44V @ 300mA	300mA	8 µA	300 µA	60dB (1kHz)	Soft Start	Over Current, Over Temperature	-40°C ~ 125°C (TJ)	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-23-5
LM317KTTR IC REG LIN POS ADJ 1.5A DDPAK Texas Instruments	7,847 In Stock	1 : ¥6.90000 Cut Tape (CT) 500 : ¥4.12734 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	40V	1.25V	37V	-	1.5A	10 mA	-	80dB ~ 65dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-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.