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

ADP151AUJZ-1.8-R7 IC REG LINEAR 1.8V 200MA TSOT5 Analog Devices Inc.	4,466 In Stock	1 : ¥13.01000 Cut Tape (CT) 3,000 : ¥5.52953 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	1.8V	-	-	200mA	20 µA	350 µA	-	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-23-5
ADP1755ACPZ-R7 IC REG LIN POS ADJ 1.2A 16LFCSP Analog Devices Inc.	10,245 In Stock	1 : ¥30.26000 Cut Tape (CT) 1,500 : ¥15.98756 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)
TPS7A4700RGWT IC REG LINEAR POS ADJ 1A 20VQFN Texas Instruments	4,729 In Stock	1 : ¥55.51000 Cut Tape (CT) 250 : ¥38.75808 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	35V	1.4V	20.5V	0.45V @ 1A	1A	1 mA	6.1 mA	78dB (1kHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	20-VQFN Exposed Pad	20-VQFN (5x5)
ADM7154ACPZ-2.5-R7 IC REG LINEAR 2.5V 600MA 8LFCSP Analog Devices Inc.	1,543 In Stock	1 : ¥59.25000 Cut Tape (CT) 1,500 : ¥33.61506 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	2.5V	-	-	600mA	7 mA	10 mA	-	Enable	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	8-WFDFN Exposed Pad, CSP	8-LFCSP-WD (3x3)
TPS74401RGWT IC REG LINEAR POS ADJ 3A 20VQFN Texas Instruments	1,818 In Stock	1 : ¥71.92000 Cut Tape (CT) 250 : ¥51.38000 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)

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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.