Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Power Management (PMIC) | Electronic Components Distributor DigiKey

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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
L78L33ACUTR IC REG LINEAR 3.3V 100MA SOT89-3 STMicroelectronics	47,552 In Stock	1 : $0.33000 Cut Tape (CT) 2,500 : $0.13716 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	30V	3.3V	-	-	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
AP7370-33Y-13 IC REG LINEAR 3.3V 300MA SOT89-3 Diodes Incorporated	11,538 In Stock	1 : $0.63000 Cut Tape (CT) 2,500 : $0.13353 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	18V	3.3V	-	0.6V @ 100mA	300mA	2.5 µA	300 µA	-	-	Over Current, Over Temperature, Reverse Current, Short Circuit	-40°C ~ 125°C (TJ)	Surface Mount	TO-243AA	SOT-89-3
AZ1117CR-3.3TRG1 IC REG LINEAR 3.3V 1A SOT89 Diodes Incorporated	41,487 In Stock	1 : $0.50000 Cut Tape (CT) 1,000 : $0.11808 Tape & Reel (TR)	AZ1117C	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	-	1A	6 mA	-	70dB (120Hz)	-	Thermal Shutdown	-20°C ~ 125°C (TJ)	Surface Mount	TO-243AA	SOT-89-3
XC6203P332PR-G IC REG LINEAR 3.3V 400MA SOT89 Torex Semiconductor Ltd	3,199 In Stock	1 : $1.27000 Cut Tape (CT) 1,000 : $0.34421 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	8V	3.3V	-	0.42V @ 200mA	400mA	16 µA	-	-	-	Over Current	-40°C ~ 85°C (TA)	Surface Mount	TO-243AA	SOT-89
LM2937IMPX-12/NOPB IC REG LINEAR 12V 500MA SOT223-4 Texas Instruments	454 In Stock	1 : $1.81000 Cut Tape (CT) 2,000 : $0.92238 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	26V	12V	-	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
NJW4184U2-33A-TE2 IC REG LINEAR 3.3V 300MA SOT89-5 Nisshinbo Micro Devices Inc.	2,848 In Stock	1 : $1.65000 Cut Tape (CT) 1,000 : $0.85304 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	35V	3.3V	-	0.1V @ 100mA	300mA	12 µA	-	40dB (1kHz)	Enable	Over Current	-40°C ~ 85°C	Surface Mount	SOT-89-5/6	SOT-89-5
AP7381-33Y-13 IC REG LINEAR 3.3V 150MA SOT89 Diodes Incorporated	946 In Stock	1 : $0.53000 Cut Tape (CT) 2,500 : $0.10938 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Not For New Designs	Positive	Fixed	1	40V	3.3V	-	1V @ 100mA	150mA	2.5 µA	25 µA	-	-	Current Limit, Thermal Shutdown	-40°C ~ 125°C (TJ)	Surface Mount	TO-243AA	SOT-89-3
HT7533-1 SOT-89 MONITORS & RESET CIRCUITS UMW	1,950 In Stock	1 : $0.54000 Cut Tape (CT) 1,000 : $0.14386 Tape & Reel (TR)	75xx	Tape & Reel (TR) Cut Tape (CT)	Active	Positive	Fixed	1	30V	3.3V	-	0.1V @ 1mA	100mA	3 µA	-	-	-	Short Circuit	-25°C ~ 70°C	Surface Mount	TO-243AA	SOT-89-3
NJM78L05SU3-TE1 IC REG LINEAR 5V 100MA SOT89-3 Nisshinbo Micro Devices Inc.	0 In Stock Check Lead Time	2,000 : $0.31830 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	Positive	Fixed	1	35V	5V	-	1.7V @ 100mA	100mA	6 mA	-	69dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-243AA	SOT-89-3
NJW4104U3-33B-TE1 IC REG LINEAR 3.3V 200MA SOT89-3 Nisshinbo Micro Devices Inc.	0 In Stock Check Lead Time	1,000 : $0.57155 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	Positive	Fixed	1	40V	3.3V	-	-	200mA	12 µA	-	41dB (1kHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-243AA	SOT-89-3

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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.