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

LDL1117S50R IC REG LINEAR 5V 1.2A SOT223 STMicroelectronics	87,098 In Stock	1 : ¥4.93000 Cut Tape (CT) 2,500 : ¥1.89878 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	18V	5V	-	0.6V @ 1.2A	1.2A	500 µA	-	87dB ~ 65dB (120Hz ~ 100kHz)	-	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223
LM2940IMP-5.0/NOPB IC REG LINEAR 5V 1A SOT223-4 Texas Instruments	3,971 In Stock	1 : ¥17.68000 Cut Tape (CT) 1,000 : ¥8.68972 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	5V	-	1V @ 1A	1A	10 mA	15 mA	64dB (120Hz)	-	Over Current, Over Temperature, Reverse Polarity, Short Circuit	-40°C ~ 85°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-4

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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.