Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Power Management (PMIC) | Electronic Components Distributor DigiKey

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Mfr Part #	Quantity Available	Price	Tariff Status	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
LM317T IC REG LINEAR POS ADJ 1.5A TO220 STMicroelectronics	40,685 In Stock	1 : $0.61000 Tube	Tariff may apply if shipping to the United States	-	Tube	Active	Positive	Adjustable	1	40V	1.2V	37V	-	1.5A	10 mA	-	80dB ~ 65dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
LM317T/NOPB IC REG LIN POS ADJ 1.5A TO220-3 Texas Instruments	4,513 In Stock	1 : $1.73000 Tube	-	-	Tube	Active	Positive	Adjustable	1	37V	1.25V	37V	-	1.5A	10 mA	-	64dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220-3
LM317BT IC REG LINEAR POS ADJ 1.5A TO220 STMicroelectronics	9,810 In Stock	1 : $0.56000 Tube	Tariff may apply if shipping to the United States	-	Tube	Active	Positive	Adjustable	1	40V	1.2V	37V	-	1.5A	10 mA	-	80dB ~ 65dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Through Hole	TO-220-3	TO-220
LM317 IC REG LINEAR POS ADJ 1.5A TO220 Lumimax Optoelectronic Technology	5,170 Marketplace	5 : $0.53800 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
LM317T IC REG LINEAR POS ADJ 1.5A TO220 EVVO	836 In Stock	1 : $1.19000 Tube	-	-	Tube	Active	Positive	Adjustable	1	40V	1.2V	37V	-	1.5A	12 mA	-	75dB ~ 60dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C (TJ)	-	-	Through Hole	TO-220-3	TO-220
LM317T IC REG LIN POS ADJ 1.5A TO220-3L UMW	110 In Stock	1 : $1.63000 Tube	-	-	Tube	Active	Positive	Adjustable	1	40V	1.2V	37V	-	1.5A	12 mA	-	75dB ~ 60dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C (TJ)	-	-	Through Hole	TO-220-3	TO-220-3L

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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.