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

MCP1755ST-3302E/DB IC REG LIN 3.3V 300MA SOT223-3 Microchip Technology	5,257 In Stock	1 : ¥7.74000 Cut Tape (CT) 4,000 : ¥6.48218 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	16V	3.3V	-	0.5V @ 300mA	300mA	100 µA	400 µA	80dB (1kHz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
LM1117IDTX-3.3/NOPB IC REG LINEAR 3.3V 800MA TO252-3 Texas Instruments	4,720 In Stock	1 : ¥12.58000 Cut Tape (CT) 2,500 : ¥5.32516 Tape & Reel (TR)	LM1117-3.3	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.2V @ 800mA	800mA	5 mA	10 mA	75dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3

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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.