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

L78L05ACUTR IC REG LINEAR 5V 100MA SOT89-3 STMicroelectronics	58,893 In Stock	1 : $0.47000 Cut Tape (CT) 2,500 : $0.13365 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	30V	5V	-	-	100mA	5.5 mA	6 mA	49dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	TO-243AA	SOT-89-3
LD1117S12CTR IC REG LINEAR 1.2V 800MA SOT223 STMicroelectronics	21,156 In Stock	1 : $0.60000 Cut Tape (CT) 2,500 : $0.21134 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	1.2V	-	1.3V @ 800mA	800mA	5 mA	-	75dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223
MC7805ACD2TG IC REG LINEAR 5V 1A D2PAK onsemi	0 In Stock Check Lead Time	1 : $1.38000 Tube	-	Tube	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A (Typ)	1A	6 mA	-	83dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	D2PAK-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.