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	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package

LM2940IMP-12/NOPB IC REG LINEAR 12V 1A SOT223-4 Texas Instruments	3,564 In Stock	1 : ¥17.68000 Cut Tape (CT) 1,000 : ¥8.69011 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	12V	-	1V @ 1A	1A	10 mA	15 mA	66dB (120Hz)	-	Over Current, Over Temperature, Reverse Polarity, Short Circuit	-40°C ~ 85°C	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LT1761ES5-2#TRMPBF IC REG LINEAR 2V 100MA TSOT23-5 Analog Devices Inc.	775 In Stock	1 : ¥34.60000 Cut Tape (CT) 500 : ¥21.66484 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	20V	2V	-	0.45V @ 100mA	100mA	-	-	65dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	-	-	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-23-5
LP38690SDX-3.3/NOPB IC REG LINEAR 3.3V 1A 6WSON Texas Instruments	1,475 In Stock	1 : ¥13.79000 Cut Tape (CT) 4,500 : ¥6.31345 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	10V	3.3V	-	1V @ 1A	1A	55 µA	100 µA	55dB (120Hz)	-	Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	6-WDFN Exposed Pad	6-WSON (3x3)
LP38691QSD-ADJ/NOPB IC REG LIN POS ADJ 500MA 6WSON Texas Instruments	793 In Stock	1 : ¥16.92000 Cut Tape (CT) 1,000 : ¥7.09852 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	10V	1.25V	9V	0.45V @ 500mA	500mA	55 µA	100 µA	55dB (120Hz)	-	Over Temperature	-40°C ~ 125°C	Automotive	AEC-Q100	Surface Mount	6-WDFN Exposed Pad	6-WSON (3x3)
LP3878SD-ADJ/NOPB IC REG LIN POS ADJ 800MA 8WSON Texas Instruments	318 In Stock	1 : ¥39.53000 Cut Tape (CT) 1,000 : ¥15.14611 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	16V	1V	5.5V	1.1V @ 800mA	800mA	1.5 mA	15 mA	60dB (1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°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.