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

LM317T IC REG LINEAR POS ADJ 1.5A TO220 STMicroelectronics	25,015 In Stock	1 : ¥6.24000 Tube	-	Tube	Active	Positive	Adjustable	1	40V	1.2V	37V	-	1.5A	10 mA	80dB ~ 65dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	Through Hole	TO-220-3	TO-220
LD1117AS12TR IC REG LINEAR 1.2V 1A SOT223 STMicroelectronics	60,118 In Stock	1 : ¥4.93000 Cut Tape (CT) 2,500 : ¥2.64973 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	1.2V	-	1.3V @ 1A	1A	10 mA	80dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	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.