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

AP2112K-3.3TRG1 IC REG LINEAR 3.3V 600MA SOT25 Diodes Incorporated	166,463 In Stock 2,268,000 Factory	1 : ¥2.98000 Cut Tape (CT) 3,000 : ¥0.85712 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.4V @ 600mA	600mA	80 µA	-	65sB (100Hz ~ 1KHz)	Enable	Over Current, Over Temperature	-40°C ~ 85°C	Surface Mount	SC-74A, SOT-753	SOT-25
LD39050PU33R IC REG LINEAR 3.3V 500MA 6DFN STMicroelectronics	28,686 In Stock	1 : ¥10.71000 Cut Tape (CT) 3,000 : ¥4.55152 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.4V @ 500mA	500mA	50 µA	200 µA	65dB ~ 62dB (1kHz ~ 10kHz)	Enable, Power Good	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	6-VDFN Exposed Pad	6-DFN (3x3)

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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.