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

LP3985IM5X-3.3/NOPB IC REG LINEAR 3.3V 150MA SOT23-5 Texas Instruments	10,290 In Stock	1 : ¥4.93000 Cut Tape (CT) 3,000 : ¥1.75675 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.1V @ 150mA	150mA	150 µA	250 µA	50dB ~ 40dB (1kHz ~ 10kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5
TPS79533DCQ IC REG LIN 3.3V 500MA SOT223-6 Texas Instruments	532 In Stock	1 : ¥36.30000 Tube	-	Tube	Active	Positive	Fixed	1	5.5V	3.3V	-	0.16V @ 500mA	500mA	385 µA	-	59dB ~ 39dB (100Hz ~ 100kHz)	Enable	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	SOT-223-6	SOT-223-6

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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.