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

LT1521IST-5#TRPBF IC REG LINEAR 5V 300MA SOT223-3 Analog Devices Inc.	4,023 In Stock	1 : ¥65.63000 Cut Tape (CT) 2,000 : ¥35.83034 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	20V	5V	-	0.75V @ 300mA	300mA	25 µA	12 mA	58dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
MIC2954-02WS-TR IC REG LINEAR 5V 250MA SOT223-3 Microchip Technology	4,111 In Stock	1 : ¥19.64000 Cut Tape (CT) 2,500 : ¥14.44926 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	30V	5V	-	0.6V @ 250mA	250mA	300 µA	12 mA	-	-	Load Dump, Over Current, Over Temperature, Reverse Polarity, UV POR	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-3

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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.