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

ADP121-AUJZ33R7 IC REG LINEAR 3.3V 150MA TSOT5 Analog Devices Inc.	8,715 In Stock	1 : ¥11.05000 Cut Tape (CT) 3,000 : ¥4.68808 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.135V @ 150mA	150mA	21 µA	40 µA	60dB (10kHz)	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
ADP151ACPZ-3.3-R7 IC REG LINEAR 3.3V 200MA 6LFCSP Analog Devices Inc.	20,785 In Stock	1 : ¥11.90000 Cut Tape (CT) 3,000 : ¥5.04870 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.23V @ 200mA	200mA	20 µA	350 µA	70dB ~ 55dB (10kHz ~ 100kHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	6-UDFN Exposed Pad, CSP	6-LFCSP-UD (2x2)
LT1121CZ-5#PBF IC REG LINEAR 5V 150MA TO92-3 Analog Devices Inc.	1,930 In Stock	1 : ¥45.48000 Bag	-	Bag	Active	Positive	Fixed	1	30V	5V	-	0.7V @ 150mA	150mA	50 µA	14 mA	58dB (120Hz)	Enable	Over Temperature, Reverse Polarity	0°C ~ 125°C	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
LT1129CT#PBF IC REG LIN POS ADJ 700MA TO220-5 Analog Devices Inc.	1,704 In Stock	1 : ¥64.78000 Tube	-	Tube	Active	Positive	Adjustable	1	30V	3.8V	30V	0.7V @ 700mA	700mA	70 µA	90 mA	64dB (120Hz)	Enable	Over Temperature, Reverse Polarity	0°C ~ 125°C	Through Hole	TO-220-5	TO-220-5
LT3015ET#PBF IC REG LIN NEG ADJ 1.5A TO220-5 Analog Devices Inc.	167 In Stock	1 : ¥72.18000 Tube	-	Tube	Active	Negative	Adjustable	1	-30V	-1.22V	-29.5V	0.68V @ 1.5A	1.5A	2.4 mA	70 mA	65dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Through Hole	TO-220-5	TO-220-5
MAX666CPA+ IC REG LIN POS ADJ 40MA 8DIP Analog Devices Inc./Maxim Integrated	103 In Stock 600 Factory	1 : ¥48.46000 Tube	-	Tube	Active	Positive	Adjustable (Fixed)	1	16.5V	1.3V (5V)	16V	0.9V @ 40mA	40mA	15 µA	-	-	Current Limit, Enable, Low Battery Detection	-	0°C ~ 70°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
ICL7663ACPA+ IC REG LINEAR POS ADJ 40MA 8DIP Analog Devices Inc./Maxim Integrated	109 In Stock 11,550 Factory	1 : ¥51.69000 Tube	-	Tube	Active	Positive	Adjustable	1	16V	1.3V	16V	-	40mA	12 µA	-	-	Enable	Over Current	0°C ~ 70°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
LT1129CT-5#PBF IC REG LINEAR 5V 700MA TO220-5 Analog Devices Inc.	168 In Stock	1 : ¥64.78000 Tube	-	Tube	Active	Positive	Fixed	1	30V	5V	-	0.7V @ 700mA	700mA	70 µA	90 mA	64dB (120Hz)	Enable	Over Temperature, Reverse Polarity	0°C ~ 125°C	Through Hole	TO-220-5	TO-220-5

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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.