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

LM78L12ACM/NOPB IC REG LINEAR 12V 100MA 8SOIC Texas Instruments	1,849 In Stock	1 : ¥10.71000 Tube	-	Tube	Active	Positive	Fixed	1	35V	12V	-	-	100mA	3 mA	-	54dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LP591233MDRVREP ENHANCED-PRODUCT, 500-MA, LOW-NO Texas Instruments	2,624 In Stock	1 : ¥50.32000 Cut Tape (CT) 3,000 : ¥37.20178 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	6.5V	3.3V	-	0.18V @ 500mA	500mA	55 µA	600 µA	80dB ~ 40dB (100Hz ~ 100kHz)	Current Limit, Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Current, Short Circuit, Under Voltage Lockout (UVLO)	-55°C ~ 125°C (TJ)	Surface Mount	6-WDFN Exposed Pad	6-WSON (2x2)

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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.