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
LM3940IT-3.3/NOPB IC REG LINEAR 3.3V 1A TO220-3 Texas Instruments	3,137 In Stock	1 : $2.63000 Tube	-	Tube	Active	Positive	Fixed	1	7.5V	3.3V	-	0.2V @ 100mA	1A	-	-	-	-	Over Temperature, Short Circuit	-40°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	5,803 In Stock	1 : $3.03000 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	1,534 In Stock	1 : $3.63000 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	1,324 In Stock	1 : $6.34000 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	1,172 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	1,456 In Stock	1 : $0.38000 Cut Tape (CT) 2,000 : $0.16179 Tape & Box (TB)	-	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	6,856 In Stock	1 : $0.42000 Cut Tape (CT) 2,000 : $0.17048 Tape & Box (TB)	-	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	4,310 In Stock	1 : $0.42000 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
L78L33ACZTR IC REG LINEAR 3.3V 100MA TO92-3 STMicroelectronics	12,150 In Stock	1 : $0.48000 Cut Tape (CT) 2,000 : $0.20185 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	6,848 In Stock	1 : $0.55000 Cut Tape (CT) 2,000 : $0.23708 Tape & Box (TB)	-	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	3,379 In Stock	1 : $0.77000 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
LD1117V33 IC REG LINEAR 3.3V 800MA TO220 STMicroelectronics	16,751 In Stock	1 : $0.88000 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
LP2950-33LPRE3 IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	16,320 In Stock	1 : $0.89000 Cut Tape (CT) 2,000 : $0.40777 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
LP2950ACZ-3.3G IC REG LINEAR 3.3V 100MA TO92 onsemi	1,134 In Stock	1 : $0.94000 Bulk	-	Bulk	Active	Positive	Fixed	1	30V	3.3V	-	0.45V @ 100mA	100mA	120 µA	12 mA	-	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-226-3, TO-92-3 Long Body	TO-92 (TO-226)
MC33269T-3.3G IC REG LINEAR 3.3V 800MA TO220 onsemi	2,298 In Stock	1 : $1.32000 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
LP2950CZ-3.3/NOPB IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	1,832 In Stock	1 : $1.55000 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
LP2950ACZ-3.3/NOPB IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	1,586 In Stock	1 : $1.55000 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
TC1262-3.3VAB IC REG LINEAR 3.3V 500MA TO220-3 Microchip Technology	451 In Stock	1 : $1.72000 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
LF33CV IC REG LINEAR 3.3V 500MA TO220 STMicroelectronics	355 In Stock	1 : $1.72000 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
MCP1825S-3302E/AB IC REG LINEAR 3.3V 500MA TO220-3 Microchip Technology	230 In Stock	1 : $1.72000 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	1,344 In Stock	1 : $1.74000 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
MCP1826S-3302E/AB IC REG LINEAR 3.3V 1A TO220-3 Microchip Technology	301 In Stock	1 : $2.03000 Tube	-	Tube	Active	Positive	Fixed	1	6V	3.3V	-	0.4V @ 1A	1A	220 µA	-	60dB (100Hz)	-	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
LD1086V33-DG IC REG LINEAR 3.3V 1.5A TO220 STMicroelectronics	1,035 In Stock	1 : $2.11000 Tube	-	Tube	Active	Positive	Fixed	1	30V	3.3V	-	1.5V @ 1.5A	1.5A	10 mA	-	79dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
LP2950-33LPE3 IC REG LINEAR 3.3V 100MA TO92-3 Texas Instruments	912 In Stock	1 : $2.11000 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
BA033T IC REG LINEAR 3.3V 1A TO220FP Rohm Semiconductor	738 In Stock	1 : $2.48000 Tube	-	Tube	Last Time Buy	Positive	Fixed	1	25V	3.3V	-	-	1A	2.5 mA	5 mA	55dB (120Hz)	-	Over Current, Over Temperature, Over Voltage	-40°C ~ 85°C	-	-	Through Hole	TO-220-3 Full Pack	TO-220FP

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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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