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)	PSRR	Control Features	Protection Features	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

RT9193-33GB IC REG LINEAR 3.3V 300MA SOT23-5 Richtek USA Inc.	34,824 In Stock	1 : ¥4.51000 Cut Tape (CT) 3,000 : ¥1.59704 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.3V @ 300mA	300mA	130 µA	70dB ~ 50dB (100Hz ~ 10kHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5
RP110L181D-TR IC REG LIN 1.8V 150MA DFN1010-4 Nisshinbo Micro Devices Inc.	7,902 In Stock	1 : ¥5.25000 Cut Tape (CT) 10,000 : ¥1.74458 Tape & Reel (TR)	RP110x	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.25V	1.8V	-	0.6V @ 150mA	150mA	2 µA	-	Enable	Over Current	-40°C ~ 85°C (TA)	Surface Mount	4-XDFN Exposed Pad	DFN1010-4
AP7217D-12YG-13 IC REG LINEAR 1.2V 600MA SOT89-3 Diodes Incorporated	1,482 In Stock	1 : ¥3.78000 Cut Tape (CT) 2,500 : ¥1.34950 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Obsolete	Positive	Fixed	1	5.5V	1.2V	-	1.3V @ 600mA	600mA	60 µA	55dB (1kHz)	-	Over Current, Over Temperature	-40°C ~ 85°C	Surface Mount	TO-243AA	SOT-89-3

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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.