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

LT3065MPDD#PBF IC REG LIN POS ADJ 500MA 10DFN Analog Devices Inc.	364 In Stock	1 : ¥108.39000 Tube	-	Tube	Active	Positive	Adjustable	1	45V	0.6V	40V	0.51V @ 500mA	500mA	110 µA	25 mA	85dB (120Hz)	Current Limit, Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Polarity	-55°C ~ 150°C	Surface Mount	10-WFDFN Exposed Pad	10-DFN (3x3)
LM2940S-12/NOPB IC REG LIN 12V 1A DDPAK/TO263-3 Texas Instruments	5,153 In Stock	1 : ¥23.46000 Tube	-	Tube	Active	Positive	Fixed	1	26V	12V	-	1V @ 1A	1A	10 mA	15 mA	66dB (120Hz)	-	Over Current, Over Temperature, Reverse Polarity, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-3)
LT3091HR#PBF IC REG LIN NEG ADJ 1.5A 7DDPAK Analog Devices Inc.	284 In Stock	1 : ¥95.89000 Tube	-	Tube	Active	Negative	Adjustable	1	-36V	0V	-32V	0.525V @ 1.5A	1.5A	50.5 µA	-	85dB ~ 20dB (120Hz ~ 1MHz)	Current Limit, Enable	Over Current, Over Temperature, Reverse Polarity, Short Circuit	-40°C ~ 150°C	Surface Mount	TO-263-8, D2PAK (7 Leads + Tab), TO-263CA	DDPAK-7
TPS7A8300ARGWT IC REG LINEAR POS ADJ 2A 20VQFN Texas Instruments	1,069 In Stock	1 : ¥50.75000 Cut Tape (CT) 250 : ¥35.43852 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable/Programmable	1	6.5V	0.8V	5.2V	0.3V @ 2A	2A	4 mA	5 mA	42dB ~ 25dB (10kHz ~ 500kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	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.