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

TPS71718DCKT IC REG LINEAR 1.8V 150MA SC70-5 Texas Instruments	3,421 In Stock 10,000 Factory	1 : $1.54000 Cut Tape (CT) 250 : $1.00108 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel® Bulk	Active	Positive	Fixed	1	6.5V	1.8V	-	0.3V @ 150mA	150mA	80 µA	100 µA	70dB ~ 45dB (100Hz ~ 1MHz)	Enable	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	5-TSSOP, SC-70-5, SOT-353	SC-70-5
TPS78633DCQ IC REG LINEAR 3.3V 1.5A SOT223-6 Texas Instruments	1,205 In Stock 9,984 Factory	1 : $5.64000 Tube	-	Bulk Tube	Active	Positive	Fixed	1	5.5V	3.3V	-	0.51V @ 1.5A	1.5A	385 µA	-	59dB ~ 32dB (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.