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

LM217MDT-TR IC REG LINEAR POS ADJ 500MA DPAK STMicroelectronics	10,090 In Stock	1 : ¥7.74000 Cut Tape (CT) 2,500 : ¥3.00668 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	40V	1.2V	37V	-	500mA	-	-	80dB ~ 65dB (120Hz)	-	Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	DPAK
LP3878MRX-ADJ/NOPB IC REG LIN POS ADJ 800MA 8SO Texas Instruments	0 In Stock Check Lead Time	1 : ¥23.89000 Cut Tape (CT) 2,500 : ¥11.99066 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	16V	1V	5.5V	1.1V @ 800mA	800mA	1.5 mA	15 mA	60dB (1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	8-PowerSOIC (0.154", 3.90mm Width)	8-SO PowerPad

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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.