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)	PSRR	Control Features	Protection Features	Operating Temperature	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
LM7805MPX/NOPB IC REG LINEAR 5V 1.5A SOT-223-4 Texas Instruments	3,230 In Stock	1 : $2.26000 Cut Tape (CT) 2,000 : $1.12268 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A	1.5A	8 mA	80dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LM7805CT/NOPB IC REG LINEAR 5V 1.5A TO220-3 Texas Instruments	19,817 In Stock	1 : $2.85000 Tube	-	Tube	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A	1.5A	6 mA	80dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
LM340SX-5.0/NOPB IC REG LINEAR 5V 1.5A TO263 Texas Instruments	11,030 In Stock	1 : $2.85000 Cut Tape (CT) 500 : $1.53916 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A	1.5A	8 mA	80dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-3)
UA7812CKTTR IC REG LINEAR 12V 1.5A TO263 Texas Instruments	2,259 In Stock	1 : $1.71000 Cut Tape (CT) 500 : $0.87838 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel® Bulk	Active	Positive	Fixed	1	30V	12V	-	2V @ 1A	1.5A	-	78dB (120Hz)	-	Over Current, Over Temperature, Reverse Polarity, Short Circuit	0°C ~ 125°C	-	-	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-3)
LM7805MP/NOPB IC REG LINEAR 5V 1.5A SOT-223-4 Texas Instruments	1,443 In Stock	1 : $2.66000 Cut Tape (CT) 1,000 : $1.37947 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A	1.5A	8 mA	80dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-4
LM7812SX/NOPB IC REG LINEAR 12V 1.5A TO263 Texas Instruments	9,910 In Stock	1 : $2.86000 Cut Tape (CT) 500 : $1.54596 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	35V	12V	-	2V @ 1A	1.5A	8 mA	72dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-3)
LM7805S/NOPB IC REG LINEAR 5V 1.5A TO263 Texas Instruments	1,800 In Stock	1 : $3.24000 Tube	-	Tube	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A	1.5A	8 mA	80dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263 (DDPAK-3)
LM7805R IC REG LINEAR 5V 1.5A TO263-3 TAEJIN	4,203 Marketplace	800 : $0.50665 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A	1.5A	8 mA	-	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-263-4, D2PAK (3 Leads + Tab), TO-263AA	TO-263-3
UA7805CKTTR IC REG LINEAR 5V 1.5A TO263 Texas Instruments	0 In Stock Check Lead Time	1 : $1.69000 Cut Tape (CT) 500 : $0.86912 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	25V	5V	-	2V @ 1A	1.5A	-	78dB ~ 68dB (120Hz)	-	Over Temperature, Reverse Polarity	0°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.