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

LM1085ISX-ADJ/NOPB IC REG LIN POS ADJ 3A DDPAK Texas Instruments	2,978 In Stock	1 : ¥16.92000 Cut Tape (CT) 500 : ¥10.05234 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	29V	1.25V	15V	1.5V @ 3A	3A	10 mA	75dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C (TJ)	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-3)
LM317S/NOPB IC REG LIN POS ADJ 1.5A DDPAK Texas Instruments	2,347 In Stock	1 : ¥22.95000 Tube	-	Tube	Active	Positive	Adjustable	1	37V	1.25V	37V	-	1.5A	10 mA	64dB (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)
LT1185IQ#PBF IC REG LIN POS/NEG ADJ 3A 5DDPAK Analog Devices Inc.	5,350 In Stock	1 : ¥117.57000 Tube	-	Tube	Active	Positive or Negative	Adjustable	1	-35V	±2.5V	±25V	1V @ 3A	3A	3.5 mA	-	-	Over Current	-40°C ~ 85°C	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	DDPAK-5

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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.