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

AP2210N-3.0TRG1 IC REG LINEAR 3V 300MA SOT23-3 Diodes Incorporated	15,618 In Stock 129,000 Factory	1 : ¥3.66000 Cut Tape (CT) 3,000 : ¥0.81908 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	13.2V	3V	-	0.5V @ 300mA	300mA	180 µA	15 mA	75dB (100Hz)	-	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
LD2981ABM33TR IC REG LINEAR 3.3V 100MA SOT23-5 STMicroelectronics	20,765 In Stock	1 : ¥4.59000 Cut Tape (CT) 3,000 : ¥2.15071 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	16V	3.3V	-	0.375V @ 100mA	100mA	150 µA	2.6 mA	63dB (1kHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5

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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.