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

AZ1117H-3.3TRE1 IC REG LINEAR 3.3V 1A SOT223 Diodes Incorporated	5,975 In Stock 2,028,000 Factory	1 : ¥3.23000 Cut Tape (CT) 4,000 : ¥0.92226 Tape & Reel (TR)	AZ1117	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.25V @ 1A	1A	10 mA	-	75dB (120Hz)	-	Thermal Shutdown	-40°C ~ 125°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
TPS74301RGWR IC REG LIN POS ADJ 1.5A 20VQFN Texas Instruments	897 In Stock	1 : ¥44.03000 Cut Tape (CT) 3,000 : ¥5.91137 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	3.6V	0.12V @ 1.5A	1.5A	115 µA	1.5 mA	73dB ~ 42dB (1kHz ~ 800kHz)	Enable, Power Good, Tracking	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	20-VQFN Exposed Pad	20-VQFN (5x5)

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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.