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

LD1117S33CTR IC REG LINEAR 3.3V 800MA SOT223 STMicroelectronics	54,158 In Stock	1 : ¥3.49000 Cut Tape (CT) 2,500 : ¥1.23104 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.3V @ 800mA	800mA	10 mA	-	75dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223
NCP1117ST33T3G IC REG LINEAR 3.3V 1A SOT223 onsemi	30,943 In Stock	1 : ¥5.78000 Cut Tape (CT) 4,000 : ¥2.08645 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
MIC29302WU-TR IC REG LINEAR POS ADJ 3A TO263-5 Microchip Technology	9,607 In Stock	1 : ¥23.73000 Cut Tape (CT) 750 : ¥17.89737 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	26V	1.25V	25V	0.6V @ 3A	3A	-	-	-	Enable	Over Current, Over Temperature, Reverse Polarity, Transient Voltage	-40°C ~ 125°C	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	TO-263-5
ADM7171ACPZ-3.3-R7 IC REG LINEAR 3.3V 1A 8LFCSP Analog Devices Inc.	4,847 In Stock	1 : ¥36.90000 Cut Tape (CT) 1,500 : ¥19.47357 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6.5V	3.3V	-	-	1A	2 mA	6.3 mA	-	Enable, Soft Start	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	8-WFDFN Exposed Pad, CSP	8-LFCSP-WD (3x3)
MCP1703A-1502E/DB IC REG LIN 1.5V 200MA SOT223-3 Microchip Technology	136 In Stock	1 : ¥6.90000 Tube	-	Tube	Active	Positive	Fixed	1	16V	1.5V	-	-	200mA	5 µA	-	35dB (100Hz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
MIC94310-4YM5-T5 IC REG LINEAR 1.2V 200MA SOT23-5 Microchip Technology	1,013 In Stock	1 : ¥3.57000 Cut Tape (CT) 500 : ¥2.72038 Tape & Reel (TR) 1 : ¥3.40000 Cut Tape (CT)	Ripple Blocker™	Tape & Reel (TR) Cut Tape (CT) Cut Tape (CT) Digi-Reel®	Discontinued at Digi-Key	Positive	Fixed	1	3.6V	1.2V	-	0.1V @ 200mA	200mA	250 µA	-	85dB ~ 50dB (100Hz ~ 10MHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	SC-74A, SOT-753	SOT-23-5

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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.