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

AP7331-33WG-7 IC REG LINEAR 3.3V 300MA SOT25 Diodes Incorporated	14,666 In Stock 90,000 Factory	1 : ¥4.17000 Cut Tape (CT) 3,000 : ¥1.19006 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.55V @ 300mA	300mA	75 µA	85 µA	65dB (100Hz)	Enable	Over Current, Over Temperature	-40°C ~ 85°C	Surface Mount	SC-74A, SOT-753	SOT-25
LM1117LD-3.3/NOPB IC REG LINEAR 3.3V 800MA 8WSON Texas Instruments	4,741 In Stock	1 : ¥9.01000 Cut Tape (CT) 1,000 : ¥5.36639 Tape & Reel (TR)	LM1117-3.3	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.2V @ 800mA	800mA	5 mA	10 mA	75dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	Surface Mount	8-WDFN Exposed Pad	8-WSON (4x4)

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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.