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

LM337IMP/NOPB IC REG LIN NEG ADJ 1.5A SOT223-4 Texas Instruments	8,246 In Stock	1 : ¥19.72000 Cut Tape (CT) 1,000 : ¥9.71059 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Adjustable	1	-40V	-1.2V	-37V	-	1.5A	-	-	60dB (120Hz)	-	Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
TPS79533DCQR IC REG LIN 3.3V 500MA SOT223-6 Texas Instruments	6,698 In Stock	1 : ¥21.51000 Cut Tape (CT) 2,500 : ¥9.85760 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	3.3V	-	0.16V @ 500mA	500mA	385 µA	-	59dB ~ 39dB (100Hz ~ 100kHz)	Enable	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	SOT-223-6	SOT-223-6
LT3045EDD-1#PBF IC REG LIN POS PROG 500MA 12DFN Analog Devices Inc.	2,078 In Stock	1 : ¥68.86000 Tube	-	Tube	Active	Positive	Adjustable	1	20V	0V	15V	0.45V @ 500mA	500mA	20 µA	25 mA	117dB ~ 53dB (120Hz ~ 10MHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	12-WFDFN Exposed Pad	12-DFN (3x3)
RT9059GQW IC REG LINEAR POS ADJ 3A 10WDFN Richtek USA Inc.	13,393 In Stock	1 : ¥5.53000 Cut Tape (CT) 1,500 : ¥2.34260 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	3V	5.5V	0.45V @ 3A	3A	1.2 mA	-	-	Enable	Over Current, Over Temperature	-40°C ~ 85°C (TA)	Surface Mount	10-WFDFN Exposed Pad	10-WDFN (3x3)
REG102UA-3.3 IC REG LINEAR 3.3V 250MA 8SOIC Texas Instruments	0 In Stock 2,019 Marketplace Check Lead Time	165 : ¥13.25521 Bulk 450 : ¥18.10073 Tube	-	Bulk Tube	Active	Positive	Fixed	1	10V	3.3V	-	0.27V @ 250mA	250mA	500 µA	800 µA	65dB (120Hz)	Enable	Over Current, Over Temperature	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC

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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.