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

LM2937IMPX-15/NOPB IC REG LINEAR 15V 400MA SOT223-4 Texas Instruments	3,221 In Stock	1 : ¥16.66000 Cut Tape (CT) 2,000 : ¥7.62717 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	15V	-	1V @ 500mA	500mA	10 mA	20 mA	-	-	Mirror-Image Insertion, Over Temperature, Short Circuit, Transient Voltage	-40°C ~ 85°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
ADP7142WAUJZ-5.0-R7 40V 200MA LDO 5.0V Analog Devices Inc.	5,176 In Stock	1 : ¥36.22000 Cut Tape (CT) 3,000 : ¥18.15730 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	40V	5V	-	0.42V @ 200mA	200mA	140 µA	320 µA	88dB ~ 50dB (10kHz ~ 1MHz)	Enable, Soft Start	Over Temperature, Short Circuit	-40°C ~ 125°C (TA)	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-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.