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

AZ1117IH-3.3TRG1 IC REG LINEAR 3.3V 1A SOT223 Diodes Incorporated	190,845 In Stock	1 : ¥3.12000 Cut Tape (CT) 4,000 : ¥0.88111 Tape & Reel (TR)	AZ1117I	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.3V @ 800mA	1A	6 mA	70dB (120Hz)	-	Thermal Shutdown	-40°C ~ 125°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
LDL1117S33R IC REG LINEAR 3.3V 1.2A SOT223 STMicroelectronics	125,710 In Stock	1 : ¥6.81000 Cut Tape (CT) 2,500 : ¥2.90219 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	18V	3.3V	-	0.6V @ 1.2A	1.2A	500 µA	87dB ~ 65dB (120Hz ~ 100kHz)	-	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223

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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.