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

MCP1824T-1202E/DC IC REG LIN 1.2V 300MA SOT223-5 Microchip Technology	2,957 In Stock	1 : ¥5.44000 Cut Tape (CT) 4,000 : ¥4.16562 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	1.2V	-	0.32V @ 300mA	300mA	220 µA	-	55dB (100Hz)	Enable, Power Good	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	SOT-223-6	SOT-223-5
MCP1824T-1802E/DC IC REG LIN 1.8V 300MA SOT223-5 Microchip Technology	3,901 In Stock	1 : ¥5.44000 Cut Tape (CT) 4,000 : ¥4.16562 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	1.8V	-	0.32V @ 300mA	300mA	220 µA	-	55dB (100Hz)	Enable, Power Good	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	SOT-223-6	SOT-223-5
LM2991S IC REG LIN NEG ADJ 1A DDPAK Texas Instruments	2 In Stock	1 : ¥49.01000 Tube	-	Tube	Obsolete	Negative	Adjustable	1	-26V	-3V	-24V	1V @ 1A	1A	0.7 mA	5 mA	60dB (1kHz)	Enable	Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	TO-263 (DDPAK-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.