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

LM1117MP-3.3/NOPB IC REG LINEAR 3.3V 800MA SOT223 Texas Instruments	66,560 In Stock	1 : ¥13.30000 Cut Tape (CT) 1,000 : ¥6.03206 Tape & Reel (TR)	LM1117-3.3	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.2V @ 800mA	800mA	5 mA	10 mA	75dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223
SPX1117M3-L-5-0/TR IC REG LINEAR 5V 800MA SOT223 MaxLinear, Inc.	6,707 In Stock	1 : ¥3.28000 Cut Tape (CT) 2,500 : ¥1.15666 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	20V	5V	-	1.3V @ 800mA	800mA	10 mA	-	70dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-3
BD450S5WEFJ-CE2 AUTOMOTIVE 500MA 5.0V, FIXED OUT Rohm Semiconductor	2,428 In Stock	1 : ¥10.18000 Cut Tape (CT) 2,500 : ¥4.32981 Tape & Reel (TR)	BD4xxS5-C	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	42V	5V	-	0.5V @ 300mA	500mA	95 µA	175 µA	60dB (120Hz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 150°C (TJ)	Automotive	AEC-Q100	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-HTSOP-J
AMS1117-3.3 IC LDO REG 3.3V 1A SOT223 UMW	365 In Stock	1 : ¥3.94000 Cut Tape (CT) 2,500 : ¥1.11910 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	12V	3.3V	-	1.3V @ 1A	1A	10 mA	-	75dB (120Hz)	Current Limit	Over Temperature	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-261-4, TO-261AA	SOT-223-3L
MAX38903BATB+ IC REG LIN POS PROG 1A 10TDFN Analog Devices Inc./Maxim Integrated	10 In Stock 8,100 Factory	1 : ¥28.32000 Tube	-	Tube	Active	Positive	Programmable	1	5.5V	0.6V	5V	0.3V @ 1A	1A	2 mA	-	70dB ~ 40dB (1kHz ~ 1MHz)	Enable	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C (TJ)	-	-	Surface Mount	10-WFDFN Exposed Pad	10-TDFN (3x3)

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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.