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
LP38856S-1.2/NOPB IC REG LINEAR 1.2V 3A TO263 Texas Instruments	129 In Stock	1 : $9.28000 Tube	-	Tube	Active	Positive	Fixed	1	5.5V	1.2V	-	0.45V @ 3A	3A	300 µA	15 mA	80dB ~ 65dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	TO-263 (DDPAK-5)
LP38856T-1.2/NOPB IC REG LINEAR 1.2V 3A TO220-5 Texas Instruments	270 In Stock	1 : $8.26000 Tube	-	Tube	Active	Positive	Fixed	1	5.5V	1.2V	-	0.45V @ 3A	3A	300 µA	15 mA	80dB ~ 65dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Through Hole	TO-220-5 Formed Leads	TO-220-5
LP38856SX-1.2/NOPB IC REG LINEAR 1.2V 3A TO263 Texas Instruments	973 In Stock	1 : $8.96000 Cut Tape (CT) 500 : $5.30850 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	5.5V	1.2V	-	0.45V @ 3A	3A	300 µA	15 mA	80dB ~ 65dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	TO-263 (DDPAK-5)

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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.