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

LM317MDT-TR IC REG LINEAR POS ADJ 500MA DPAK STMicroelectronics	60,063 In Stock	1 : ¥5.27000 Cut Tape (CT) 2,500 : ¥1.87118 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	40V	1.2V	37V	-	500mA	10 mA	-	80dB ~ 65dB (120Hz)	-	Over Current, Over Temperature, Short Circuit	0°C ~ 125°C (TJ)	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	DPAK
TPS72301DRVR IC REG LIN NEG ADJ 200MA 6WSON Texas Instruments	5,459 In Stock	1 : ¥22.33000 Cut Tape (CT) 3,000 : ¥11.20469 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Adjustable	1	-10V	-1.2V	-10V	0.5V @ 200mA	200mA	200 µA	500 µA	65dB ~ 48dB (1kHz ~ 10kHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	6-WDFN Exposed Pad	6-WSON (2x2)
LTC3025EDC-1#TRMPBF IC REG LINEAR POS ADJ 500MA 6DFN Analog Devices Inc.	8,473 In Stock	1 : ¥38.26000 Cut Tape (CT) 500 : ¥23.94520 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.4V	3.6V	0.17V @ 500mA	500mA	80 µA	-	-	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	Surface Mount	6-WFDFN Exposed Pad	6-DFN (2x2)
ADP1741ACPZ-R7 IC REG LINEAR POS ADJ 2A 16LFCSP Analog Devices Inc.	0 In Stock Check Lead Time	1 : ¥49.31000 Cut Tape (CT) 1,500 : ¥18.86845 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	3.6V	0.75V	3.3V	0.28V @ 2A	2A	800 µA	1.8 mA	65dB ~ 51dB (1kHz ~ 100kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Reverse Polarity	-40°C ~ 125°C	Surface Mount	16-WQFN Exposed Pad, CSP	16-LFCSP (4x4)
TPS7A8400RGRT IC REG LINEAR POS ADJ 3A 20VQFN Texas Instruments	1,304 In Stock	1 : ¥53.73000 Cut Tape (CT) 250 : ¥37.53524 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable/Programmable	1	6.5V	0.8V	5V	0.34V @ 3A	3A	4 mA	5.5 mA	42dB ~ 25dB (10kHz ~ 500kHz)	Enable, Power Good, Soft Start	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	20-VFQFN Exposed Pad	20-VQFN (3.5x3.5)
TLV75201PDSQR IC REG LINEAR POS ADJ 1A 10WSON Texas Instruments	8,320 In Stock	1 : ¥6.24000 Cut Tape (CT) 3,000 : ¥2.49001 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	2	6V	0.55V	5.5V	1.05V @ 1A	1A	35 µA	-	50dB ~ 30dB (1kHz ~ 1MHz)	Enable	Over Current, Over Temperature, Under Voltage Lockout (UVLO)	-40°C ~ 125°C (TJ)	Surface Mount	10-WFDFN Exposed Pad	10-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.