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	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package

TPS7A4701QRGWRQ1 IC REG LINEAR POS ADJ 1A 20VQFN Texas Instruments	428 In Stock	1 : ¥52.05000 Cut Tape (CT) 3,000 : ¥28.43625 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable/Programmable	1	35V	1.4V	34V	0.45V @ 1A	1A	1 mA	6.1 mA	78dB (1kHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 145°C (TJ)	Automotive	AEC-Q100	Surface Mount	20-VQFN Exposed Pad	20-VQFN (5x5)
AMS1117-3.3 IC LDO REG 3.3V 1A SOT223 UMW	1,449 In Stock	1 : ¥3.94000 Cut Tape (CT) 2,500 : ¥1.11916 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	12V	3.3V	-	1.3V @ 1A	1A	10 mA	-	75dB (120Hz)	Current Limit	Over Temperature	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-3L

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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.