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

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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

NCP1117ST33T3G IC REG LINEAR 3.3V 1A SOT223 onsemi	20,807 In Stock	1 : ¥5.58000 Cut Tape (CT) 4,000 : ¥2.01495 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	20V	3.3V	-	1.2V @ 800mA	1A	10 mA	-	64dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223
TPS71701DCKR IC REG LIN POS ADJ 150MA SC70-5 Texas Instruments	10,734 In Stock	1 : ¥9.52000 Cut Tape (CT) 3,000 : ¥4.05146 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	6.5V	0.9V	6.2V	0.3V @ 150mA	150mA	80 µA	100 µA	70dB ~ 45dB (100Hz ~ 1MHz)	Enable	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	5-TSSOP, SC-70-5, SOT-353	SC-70-5
NCP1117ST50T3G IC REG LINEAR 5V 1A SOT223 onsemi	43,805 In Stock	1 : ¥5.58000 Cut Tape (CT) 4,000 : ¥2.01495 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	20V	5V	-	1.2V @ 800mA	1A	10 mA	-	61dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223
SPX29302T5-L/TR IC REG LINEAR POS ADJ 3A TO263-5 MaxLinear, Inc.	1,109 In Stock	1 : ¥17.65000 Cut Tape (CT) 500 : ¥10.44788 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	16V	1.25V	16V	0.8V @ 3A	3A	-	-	-	Enable	Over Current, Reverse Polarity, Transient Voltage	-40°C ~ 125°C	Surface Mount	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA	TO-263-5
TPS74401RGRT IC REG LINEAR POS ADJ 3A 20VQFN Texas Instruments	1,685 In Stock	1 : ¥121.51000 Cut Tape (CT) 250 : ¥89.71096 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Obsolete	Positive	Adjustable	1	5.5V	0.8V	3.6V	0.24V @ 3A	3A	-	-	73dB ~ 50dB (1kHz ~ 800kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	20-VFQFN Exposed Pad	20-VQFN (3.5x3.5)

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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.