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

LT1129CST-3.3#TRPBF IC REG LIN 3.3V 700MA SOT223-3 Analog Devices Inc.	1,984 In Stock	1 : ¥71.15000 Cut Tape (CT) 2,000 : ¥38.84235 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	30V	3.3V	-	0.7V @ 700mA	700mA	70 µA	90 mA	64dB (120Hz)	Enable	Over Temperature, Reverse Polarity	0°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
LT1129IST-3.3#TRPBF IC REG LIN 3.3V 700MA SOT223-3 Analog Devices Inc.	0 In Stock Check Lead Time	1 : ¥80.08000 Cut Tape (CT) 2,000 : ¥43.75346 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	30V	3.3V	-	0.7V @ 700mA	700mA	70 µA	90 mA	64dB (120Hz)	Enable	Over Temperature, Reverse Polarity	-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.