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)	PSRR	Control Features	Protection Features	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

AP2120N-3.3TRG1 IC REG LINEAR 3.3V 150MA SOT23 Diodes Incorporated	943,629 In Stock	1 : ¥2.22000 Cut Tape (CT) 3,000 : ¥0.40570 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6V	3.3V	-	0.5V @ 150mA	150mA	50 µA	65dB (1kHz)	-	Over Current	-40°C ~ 85°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
BD33FD0WHFP-TR 2A 3.3V, FIXED OUTPUT, HIGH-ACCU Rohm Semiconductor	2,217 In Stock	1 : ¥14.29000 Cut Tape (CT) 2,000 : ¥8.54854 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	32V	3.3V	-	-	2A	1 mA	55dB (120Hz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 105°C (TA)	Surface Mount	HRP-5 (5 Leads + Tab)	HRP-5
TPS70345PWP IC REG LINEAR 3.3V/1.2V 24HTSSOP Texas Instruments	1,209 In Stock	1 : ¥61.25000 Tube	-	Tube	Active	Positive	Fixed	2	6V	3.3V, 1.2V	-	0.26V @ 1A, -	1A, 2A	250 µA	-	Enable, Power Good, Reset, Sequencing	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	Surface Mount	24-PowerTSSOP (0.173", 4.40mm Width)	24-HTSSOP

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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.