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	Mounting Type	Package / Case	Supplier Device Package
LM337T/NOPB IC REG LIN NEG ADJ 1.5A TO220-3 Texas Instruments	2,932 In Stock	1 : £1.68000 Tube	-	Tube	Active	Negative	Adjustable	1	-40V	-1.2V	-37V	-	1.5A	-	-	77dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	Through Hole	TO-220-3	TO-220-3
LM337TG IC REG LIN NEG ADJ 1.5A TO220 onsemi	1,977 In Stock	1 : £0.66000 Tube	-	Tube	Active	Negative	Adjustable	1	-40V	-1.2V	-37V	-	1.5A	6 mA	10 mA	77dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	Through Hole	TO-220-3	TO-220
LM337SP IC REG LIN NEG ADJ 1.5A TO220 STMicroelectronics	2,383 In Stock	1 : £0.83000 Tube	-	Tube	Active	Negative	Adjustable	1	40V	-1.2V	-37V	-	1.5A	-	-	77dB ~ 60dB (120Hz)	-	Over Current, Over Temperature	0°C ~ 125°C	Through Hole	TO-220-3	TO-220
LM317 IC REG LINEAR POS ADJ 1.5A TO220 Lumimax Optoelectronic Technology	1,768 Marketplace	1 : £0.39000 Bulk	LM	Bulk	Active	Positive	Adjustable	1	40V	1.3V	37V	-	1.5A	-	2.2 A	60dB (120kHz)	-	Over Current, Over Temperature, Short Circuit	-25°C ~ 125°C (TJ)	Through Hole	TO-220-3	TO-220

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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.