Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Power Management (PMIC) | Electronic Components Distributor DigiKey

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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
TPS7A8500ARGRR IC REG LINEAR POS ADJ 4A 20-VQFN Texas Instruments	1,952 In Stock	1 : $11.71000 Cut Tape (CT) 3,000 : $5.44651 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable/Programmable	1	6.5V	0.8V	5.1V	0.5V @ 4A	4A	4 mA	6 mA	42dB ~ 25dB (10kHz ~ 500kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	20-VFQFN Exposed Pad	20-VQFN (3.5x3.5)
TPS74401RGWT IC REG LINEAR POS ADJ 3A 20-VQFN Texas Instruments	981 In Stock	1 : $13.48000 Cut Tape (CT) 250 : $8.45460 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)
LT3071EUFD#TRPBF IC REG LINEAR POS PROG 5A 28-QFN Analog Devices Inc.	829 In Stock	1 : $20.92000 Cut Tape (CT) 2,500 : $10.37634 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Programmable	1	3V	0.8V	1.8V	0.15V @ 5A	5A	1.5 mA	10 mA	66dB (120Hz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	28-WFQFN Exposed Pad	28-QFN (4x5)
LP2992AIM5-2.5/NOPB IC REG LINEAR 2.5V 250MA SOT23-5 Texas Instruments	27,243 In Stock	1 : $5.16000 Cut Tape (CT) 1,000 : $2.50520 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	16V	2.5V	-	0.85V @ 250mA	250mA	95 µA	4 mA	45dB (1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5
LP38513TJ-ADJ/NOPB IC REG LINEAR POS ADJ 3A TO263-5 Texas Instruments	2,441 In Stock	1 : $6.63000 Cut Tape (CT) 1,000 : $3.71632 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.5V	4.5V	0.43V @ 3A	3A	10 mA	20 mA	73dB ~ 70dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-263-5 Thin	TO-263-5 Thin

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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.