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
ADP1755ACPZ-R7 IC REG LIN POS ADJ 1.2A 16-LFCSP Analog Devices Inc.	0 In Stock Check Lead Time	1 : £3.52000 Cut Tape (CT) 1,500 : £1.22809 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	3.6V	0.75V	3.3V	0.2V @ 1.2A	1.2A	800 µA	1.4 mA	65dB ~ 51dB (1kHz ~ 100kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	16-WQFN Exposed Pad, CSP	16-LFCSP (4x4)
ADM7150ARDZ-3.3-R7 IC REG LIN 3.3V 800MA 8-SOIC-EP Analog Devices Inc.	1,255 In Stock	1 : £8.61000 Cut Tape (CT) 1,000 : £4.15519 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	16V	3.3V	-	-	800mA	7 mA	12 mA	94dB ~ 62dB (1kHz ~ 1MHz)	Enable	Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-SOIC-EP
TPS7A5301RPSR IC REG LIN POS ADJ 4A 12-VQFN-HR Texas Instruments	3,000 In Stock	3,000 : £1.39195 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	Positive	Adjustable	1	6.5V	0.8V	5.15V	0.375V @ 3A	4A	4 mA	5.5 mA	35dB ~ 44dB (10kHz ~ 500kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	12-VFQFN	12-VQFN-HR (2.2x2.5)

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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.