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

LM1117MPX-3.3/NOPB IC REG LIN 3.3V 800MA SOT223-4 Texas Instruments	23,308 In Stock	1 : ¥9.69000 Cut Tape (CT) 2,000 : ¥4.09889 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	0°C ~ 125°C	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LM2937IMPX-5.0/NOPB IC REG LINEAR 5V 400MA SOT223-4 Texas Instruments	5,200 In Stock	1 : ¥16.66000 Cut Tape (CT) 2,000 : ¥7.62682 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	5V	-	1V @ 500mA	500mA	10 mA	20 mA	-	-	Mirror-Image Insertion, Over Temperature, Short Circuit, Transient Voltage	-40°C ~ 85°C (TJ)	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LT1963AES8#PBF IC REG LINEAR POS ADJ 1.5A 8SO Analog Devices Inc.	4,251 In Stock	1 : ¥52.96000 Tube	-	Tube	Active	Positive	Adjustable	1	20V	1.21V	20V	0.55V @ 1.5A	1.5A	1.5 mA	120 mA	63dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	-	-	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
LT1764AEQ#TRPBF IC REG LINEAR POS ADJ 3A 5DDPAK Analog Devices Inc.	3,151 In Stock	1 : ¥90.28000 Cut Tape (CT) 750 : ¥58.82157 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	20V	1.21V	20V	0.66V @ 3A	3A	1.5 mA	200 mA	63dB (120Hz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	DDPAK-5
TPS78433QWDRBRQ1 AUTOMOTIVE, 300-MA, LOW-IQ, HIGH Texas Instruments	6,980 In Stock	1 : ¥7.99000 Cut Tape (CT) 3,000 : ¥3.08747 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.115V @ 300mA	300mA	40 µA	-	60dB ~ 30dB (1kHz ~ 1MHz)	Enable	Over Current, Over Temperature	-40°C ~ 150°C (TJ)	Automotive	AEC-Q100	Surface Mount, Wettable Flank	8-VDFN Exposed Pad	8-SON (3x3)
LM2990SX-12/NOPB IC REG LIN -12V 1.8A DDPAK Texas Instruments	4,049 In Stock	1 : ¥28.99000 Cut Tape (CT) 500 : ¥18.13500 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Fixed	1	-26V	-12V	-	1V @ 1A	1.8A	1 mA	5 mA	52dB (1kHz)	-	Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-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.