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

LM317T/NOPB IC REG LIN POS ADJ 1.5A TO220-3 Texas Instruments	1,686 In Stock	1 : ¥13.30000 Tube	-	Tube	Active	Positive	Adjustable	1	37V	1.25V	37V	-	1.5A	10 mA	-	64dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	Through Hole	TO-220-3	TO-220-3
LM2940IMPX-5.0/NOPB IC REG LINEAR 5V 1A SOT223-4 Texas Instruments	3,570 In Stock	1 : ¥14.71000 Cut Tape (CT) 2,000 : ¥6.51493 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	5V	-	1V @ 1A	1A	10 mA	15 mA	64dB (120Hz)	-	Over Current, Over Temperature, Reverse Polarity, Short Circuit	-40°C ~ 85°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LM3940IMPX-3.3/NOPB IC REG LINEAR 3.3V 1A SOT223-4 Texas Instruments	6,680 In Stock	1 : ¥14.79000 Cut Tape (CT) 2,000 : ¥6.78100 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	7.5V	3.3V	-	0.2V @ 100mA	1A	-	-	-	-	Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LT3023EDD#TRPBF IC REG LINEAR POS ADJ 10DFN Analog Devices Inc.	2,032 In Stock	1 : ¥53.05000 Cut Tape (CT) 2,500 : ¥26.60786 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	2	20V	1.22V	20V	0.45V @ 100mA, 0.45V @ 100mA	100mA, 100mA	-	-	65dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	10-WFDFN Exposed Pad	10-DFN (3x3)

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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.