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

TPS74401RGWR IC REG LINEAR POS ADJ 3A 20VQFN Texas Instruments	9,719 In Stock	1 : ¥23.46000 Cut Tape (CT) 3,000 : ¥11.76228 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	3.6V	0.24V @ 3A	3A	-	-	73dB ~ 50dB (1kHz ~ 800kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	20-VQFN Exposed Pad	20-VQFN (5x5)
ADP7158ACPZ-3.3-R7 IC REG LINEAR 3.3V 2A 10LFCSP Analog Devices Inc.	3,487 In Stock	1 : ¥84.89000 Cut Tape (CT) 1,500 : ¥48.13452 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.28V @ 2A	2A	8 mA	14 mA	70dB ~ 50dB (1kHz ~ 1MHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	10-VFDFN Exposed Pad, CSP	10-LFCSP-WD (3x3)
MAX1983EUT+T IC REG LINEAR POS ADJ 300MA SOT6 Analog Devices Inc./Maxim Integrated	5,327 In Stock 52,500 Factory	1 : ¥16.15000 Cut Tape (CT) 2,500 : ¥10.73278 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	2V	0.35V @ 300mA	300mA	250 µA	-	60dB (10kHz)	Enable, Power Good	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-6	SOT-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.