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
NCP1117ST33T3G IC REG LINEAR 3.3V 1A SOT223 onsemi	25,230 In Stock	1 : $1.87000 Cut Tape (CT) 4,000 : $0.41729 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	20V	3.3V	-	1.2V @ 800mA	1A	10 mA	-	64dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223
MIC5270YM5-TR IC REG LIN NEG ADJ 100MA SOT23-5 Microchip Technology	14,413 In Stock	1 : $3.31000 Cut Tape (CT) 3,000 : $2.49602 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Adjustable	1	-16V	-1.2V	-14V	0.9V @ 100mA	100mA	100 µA	3 mA	50dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5
MAX8557ETE+T IC REG LINEAR POS ADJ 4A 16TQFN Analog Devices Inc./Maxim Integrated	1,208 In Stock	1 : $23.49000 Cut Tape (CT) 2,500 : $11.30000 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	3.6V	0.5V	3.4V	0.2V @ 4A	4A	1.6 mA	-	-	Enable, Power On Reset	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 85°C	Surface Mount	16-WQFN Exposed Pad	16-TQFN (5x5)

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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.