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	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
AP2210K-3.3TRG1 IC REG LINEAR 3.3V 300MA SOT23-5 Diodes Incorporated	60,189 In Stock	1 : £0.41000 Cut Tape (CT) 3,000 : £0.08060 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	13.2V	3.3V	-	0.5V @ 300mA	300mA	180 µA	15 mA	75dB (100Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	-	-	Surface Mount	SC-74A, SOT-753	SOT-23-5
LDS3985M33R IC REG LINEAR 3.3V 300MA SOT23-5 STMicroelectronics	87,926 In Stock	1 : £0.74000 Cut Tape (CT) 3,000 : £0.30700 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.25V @ 300mA	300mA	150 µA	300 µA	55dB ~ 50dB (1kHz ~ 10kHz)	Shutdown	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	SC-74A, SOT-753	SOT-23-5
NCP164ASN330T1G LDO 300 MA AD 3.3V ULTRA-LOW NOI onsemi	7,495 In Stock	1 : £0.76000 Cut Tape (CT) 3,000 : £0.18522 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.17V @ 300mA	300mA	40 µA	-	83dB ~ 61dB (100Hz ~ 100kHz)	Enable, Power Good	Over Current, Over Temperature	150°C (TJ)	Automotive	AEC-Q100	Surface Mount	SOT-23-5 Thin, TSOT-23-5	5-TSOP
TPS7A7401DSDR 1.5-A LOW-DROPOUT (LDO) LINEAR R Texas Instruments	5,021 In Stock	1 : £1.17000 Cut Tape (CT) 5,000 : £0.56205 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	6.1V	0.65V	3.6V	0.18V @ 1.5A	1.5A	330 µA	-	70dB ~ 50dB (1kHz ~ 1MHz)	Current Limit, Enable, Soft Start	Over Current, Over Temperature	-40°C ~ 125°C (TJ)	-	-	Surface Mount	8-WDFN Exposed Pad	8-WSON (3x3)
MCP1726T-3302E/MF IC REG LINEAR 3.3V 1A 8DFN Microchip Technology	7,399 In Stock	1 : £0.73000 Cut Tape (CT) 3,300 : £0.56658 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.5V @ 1A	1A	220 µA	-	54dB (100Hz)	Enable, Power Good	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	-	-	Surface Mount	8-VDFN Exposed Pad	8-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.