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	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
LM1117T-3.3/NOPB IC REG LINEAR 3.3V 800MA TO220-3 Texas Instruments	1,752 In Stock	1 : $2.56000 Tube	LM1117-3.3	Tube	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	-	-	Through Hole	TO-220-3	TO-220-3
LM2937ET-3.3/NOPB IC REG LINEAR 3.3V 500MA TO220-3 Texas Instruments	3,840 In Stock	1 : $3.13000 Tube	-	Tube	Active	Positive	Fixed	1	26V	3.3V	-	1V @ 500mA	500mA	10 mA	20 mA	-	-	Mirror-Image Insertion, Over Temperature, Short Circuit, Transient Voltage	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-220-3	TO-220-3
LM1086CT-3.3/NOPB IC REG LINEAR 3.3V 1.5A TO220-3 Texas Instruments	2,604 In Stock	1 : $3.75000 Tube	-	Tube	Active	Positive	Fixed	1	27V	3.3V	-	1.5V @ 1.5A	1.5A	5 mA	10 mA	72dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
UA78M33CKCS IC REG LINEAR 3.3V 500MA TO220-3 Texas Instruments	1,134 In Stock	1 : $6.55000 Tube	-	Tube	Active	Positive	Fixed	1	25V	3.3V	-	2V @ 350mA	500mA	-	-	80dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
DI78L3.3ZAB IC REG LINEAR 3.3V 100MA TO92 Diotec Semiconductor	1,686 In Stock	1 : $0.22000 Bulk	DI78LxxZAB	Bulk	Active	Positive	Fixed	1	30V	3.3V	-	1.7V @ 40mA	100mA	6 mA	-	49dB (120Hz)	-	Over Temperature, Short Circuit	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92
AP7384-33V-A IC REG LINEAR 3.3V 50MA TO92 Diodes Incorporated	1,486 In Stock	2,000 : $0.16702 Tape & Box (TB) 1 : $0.40000 Cut Tape (CT)	-	Cut Tape (CT) Tape & Box (TB)	Active	Positive	Fixed	1	40V	3.3V	-	-	50mA	-	25 µA	-	-	Current Limit, Thermal Shutdown	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92
L78L33ACZ-AP IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	7,126 In Stock	2,000 : $0.17599 Tape & Box (TB) 1 : $0.43000 Cut Tape (CT)	-	Cut Tape (CT) Tape & Box (TB)	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	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3
L78L33ACZ IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	6,852 In Stock	1 : $0.43000 Bulk	-	Bulk	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	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
AP7381-33V-A IC REG LINEAR 3.3V 150MA TO92 Diodes Incorporated	2,655 In Stock	2,000 : $0.18769 Tape & Box (TB) 1 : $0.44000 Cut Tape (CT)	-	Cut Tape (CT) Tape & Box (TB)	Active	Positive	Fixed	1	40V	3.3V	-	1V @ 100mA	150mA	2.5 µA	25 µA	-	-	Current Limit, Thermal Shutdown	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92
L78L33ACZTR IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	14,802 In Stock	1 : $0.49000 Cut Tape (CT) 2,000 : $0.20837 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	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	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3
L78L33ABZ-AP IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	7,755 In Stock	2,000 : $0.24474 Tape & Box (TB) 1 : $0.57000 Cut Tape (CT)	-	Cut Tape (CT) Tape & Box (TB)	Active	Positive	Fixed	1	30V	3.3V	-	-	100mA	5.5 mA	6 mA	49dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3
MCP1700-3302E/TO IC REG LINEAR 3.3V 250MA TO92-3 Microchip Technology	3,107 In Stock	1 : $0.79000 Bag	-	Bag	Active	Positive	Fixed	1	6V	3.3V	-	0.35V @ 250mA	250mA	4 µA	-	44dB (100Hz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
LP2950-33LPRE3 IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	10,219 In Stock	1 : $0.92000 Cut Tape (CT) 2,000 : $0.42094 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	Positive	Fixed	1	30V	3.3V	-	0.6V @ 100mA	100mA	120 µA	14 mA	-	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3
LD1117V33 IC REG LINEAR 3.3V 800MA TO220 STMicroelectronics	2,920 In Stock	1 : $0.99000 Tube	-	Tube	Active	Positive	Fixed	1	15V	3.3V	-	1.2V @ 800mA	800mA	10 mA	-	75dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
LD1117V33C IC REG LINEAR 3.3V 800MA TO220 STMicroelectronics	2,288 In Stock	1 : $0.99000 Tube	-	Tube	Active	Positive	Fixed	1	15V	3.3V	-	1.3V @ 800mA	800mA	10 mA	-	75dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
MCP1702-3302E/TO IC REG LINEAR 3.3V 250MA TO92-3 Microchip Technology	1,161 In Stock	1 : $1.03000 Bag	-	Bag	Active	Positive	Fixed	1	13.2V	3.3V	-	0.725V @ 250mA	250mA	5 µA	-	44dB (100Hz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
MC33269T-3.3G IC REG LINEAR 3.3V 800MA TO220 onsemi	2,440 In Stock	1 : $1.37000 Tube	-	Tube	Active	Positive	Fixed	1	20V	3.3V	-	1.35V @ 800mA	800mA	8 mA	-	55dB (120Hz)	-	Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
LE33CZ-TR IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	7,537 In Stock	1 : $1.60000 Cut Tape (CT) 2,000 : $0.76953 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	Positive	Fixed	1	18V	3.3V	-	0.5V @ 100mA	100mA	1 mA	3 mA	80dB ~ 60dB (120Hz ~ 10kHz)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3
LP2950ACZ-3.3/NOPB IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	2,044 In Stock	1 : $1.60000 Bulk	-	Bulk	Active	Positive	Fixed	1	30V	3.3V	-	0.6V @ 100mA	100mA	120 µA	14 mA	-	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
LE33CZ-AP IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	2,013 In Stock	2,000 : $0.76953 Tape & Box (TB) 1 : $1.60000 Cut Tape (CT)	-	Cut Tape (CT) Tape & Box (TB)	Active	Positive	Fixed	1	18V	3.3V	-	0.5V @ 100mA	100mA	1 mA	3 mA	80dB ~ 60dB (120Hz ~ 10kHz)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3
LP2950CZ-3.3/NOPB IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	1,408 In Stock	1 : $1.60000 Tray	-	Tray	Active	Positive	Fixed	1	30V	3.3V	-	0.6V @ 100mA	100mA	120 µA	14 mA	-	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
LF33CV IC REG LINEAR 3.3V 500MA TO220 STMicroelectronics	957 In Stock	1 : $1.78000 Tube	-	Tube	Active	Positive	Fixed	1	16V	3.3V	-	0.7V @ 500mA	500mA	1 mA	12 mA	80dB ~ 65dB (120Hz ~ 65dB)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
TC1262-3.3VAB IC REG LINEAR 3.3V 500MA TO220-3 Microchip Technology	577 In Stock	1 : $1.78000 Tube	-	Tube	Active	Positive	Fixed	1	6V	3.3V	-	0.65V @ 500mA	500mA	130 µA	-	64dB (1kHz)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
MCP1825S-3302E/AB IC REG LINEAR 3.3V 500MA TO220-3 Microchip Technology	356 In Stock	1 : $1.78000 Tube	-	Tube	Active	Positive	Fixed	1	6V	3.3V	-	0.35V @ 500mA	500mA	220 µA	-	60dB (100Hz)	-	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
LF33ABV IC REG LINEAR 3.3V 500MA TO220 STMicroelectronics	1,946 In Stock	1 : $1.80000 Tube	-	Tube	Active	Positive	Fixed	1	16V	3.3V	-	0.7V @ 500mA	500mA	1 mA	12 mA	80dB ~ 65dB (120Hz ~ 65dB)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220

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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.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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