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

LM317LIPK IC REG LIN POS ADJ 100MA SOT89-3 Texas Instruments	35,873 In Stock	1 : ¥7.80000 Cut Tape (CT) 1,000 : ¥3.53215 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	38V	1.2V	32V	-	100mA	2.5 mA	80dB ~ 65dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-243AA	SOT-89-3
LM317D2T-TR IC REG LINEAR POS ADJ 1.5A D2PAK STMicroelectronics	43,324 In Stock	1 : ¥13.38000 Cut Tape (CT) 1,000 : ¥6.08181 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	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	Surface Mount	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	D2PAK

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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.