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

NCP161AMX330TBG IC REG LINEAR 3.3V 450MA 4XDFN onsemi	13,060 In Stock 15,000 Factory	1 : ¥3.49000 Cut Tape (CT) 5,000 : ¥1.06292 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.26V @ 450mA	450mA	23 µA	-	91dB ~ 48dB (100Hz ~ 100kHz)	Enable	Over Current, Over Temperature, Soft Start	-40°C ~ 125°C	Surface Mount	4-XDFN Exposed Pad	4-XDFN (1x1)
LT1529IQ#TRPBF IC REG LINEAR POS ADJ 3A 5DDPAK Analog Devices Inc.	750 In Stock	750 : ¥64.28076 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	Positive	Adjustable	1	15V	3.75V	14V	0.95V @ 3A	3A	100 µA	160 mA	62dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-45°C ~ 125°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.