4.5V 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	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
MIC69303YME-TR IC REG LINEAR POS ADJ 3A 8SOIC Microchip Technology	2,945 In Stock	1 : £2.56000 Cut Tape (CT) 2,500 : £1.94713 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	1.63V	4.5V	0.5V @ 3A	3A	5 mA	75 mA	-	Enable, Error Flag	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-SOIC-EP
STLQ020PUR IC REG LINEAR POS ADJ 200MA 6DFN STMicroelectronics	5,148 In Stock	1 : £0.42000 Cut Tape (CT) 3,000 : £0.18499 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.2V @ 200mA	200mA	1 µA	150 µA	60dB ~ 40dB (100Hz ~ 10kHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C (TJ)	-	-	Surface Mount	6-VFDFN Exposed Pad	6-DFN (2x2)
AP7330-W5-7 IC REG LIN POS ADJ 300MA SOT25 Diodes Incorporated	36,139 In Stock	1 : £0.44000 Cut Tape (CT) 3,000 : £0.08911 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	1V	4.5V	0.31V @ 300mA	300mA	78 µA	-	80dB (1kHz)	EN	Over Current, Over Temperature, Short Circuit	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-74A, SOT-753	SOT-25
AP7330D-W5-7 IC REG LIN POS ADJ 300MA SOT25 Diodes Incorporated	6,456 In Stock	1 : £0.44000 Cut Tape (CT) 3,000 : £0.08911 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	1V	4.5V	0.31V @ 300mA	300mA	78 µA	-	80dB (1kHz)	EN	Over Current, Over Temperature, Short Circuit	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-74A, SOT-753	SOT-25
RT9187GQV IC REG LINEAR POS ADJ 1A 8VDFN Richtek USA Inc.	36,532 In Stock	1 : £0.52000 Cut Tape (CT) 1,500 : £0.16111 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.36V @ 1A	1A	500 µA	-	60dB ~ 50dB (100Hz ~ 10kHz)	Enable	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	8-VDFN Exposed Pad	8-VDFN (3x3)
BD00IC0WEFJ-E2 IC REG LINEAR POS ADJ 1A 8HTSOP Rohm Semiconductor	5,389 In Stock	1 : £1.19000 Cut Tape (CT) 2,500 : £0.29530 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.6V @ 1A	1A	0.25 mA	500 µA	-	Enable	Over Current, Over Temperature, Soft Start	-25°C ~ 85°C	-	-	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-HTSOP-J
BD00IA5MHFV-MTR IC REG LIN POS ADJ 500MA 6HVSOF Rohm Semiconductor	3,835 In Stock	1 : £1.46000 Cut Tape (CT) 3,000 : £0.37030 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	-	500mA	700 µA	-	-	Enable	Over Current, Over Temperature, Soft Start	-40°C ~ 105°C (TA)	Automotive	AEC-Q100	Surface Mount	6-SMD, Flat Leads Exposed Pad	6-HVSOF
TPS7A3501DRVR IC REG LINEAR POS ADJ 1A 6WSON Texas Instruments	620 In Stock	1 : £1.58000 Cut Tape (CT) 3,000 : £0.35398 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5V	1.21V	4.5V	-	1A	100 µA	950 µA	55dB ~ 42dB (10kHz ~ 1MHz)	Enable	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	-	-	Surface Mount	6-WDFN Exposed Pad	6-WSON (2x2)
LP38512MR-ADJ/NOPB IC REG LIN POS ADJ 1.5A 8SO Texas Instruments	9,672 In Stock	1 : £1.67000 Tube	-	Tube	Active	Positive	Adjustable	1	5.5V	0.5V	4.5V	0.3V @ 1.5A	1.5A	7.5 mA	14 mA	70dB ~ 73dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Surface Mount	8-PowerSOIC (0.154", 3.90mm Width)	8-SO PowerPad
MAX8892EXK+T IC REG LIN POS ADJ 150MA SC70-5 Analog Devices Inc./Maxim Integrated	1,978 In Stock 30,000 Factory	1 : £2.13000 Cut Tape (CT) 2,500 : £0.59760 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	6V	1.5V	4.5V	-	150mA	40 µA	-	65dB (10kHz)	Enable	Over Current, Over Temperature	-40°C ~ 85°C (TA)	-	-	Surface Mount	5-TSSOP, SC-70-5, SOT-353	SC-70-5
MAX8512EXK+T IC REG LIN POS ADJ 120MA SC70-5 Analog Devices Inc./Maxim Integrated	3,459 In Stock 85,000 Factory	1 : £2.36000 Cut Tape (CT) 2,500 : £0.68258 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	6V	1.5V	4.5V	0.12V @ 120mA (Typ)	120mA	90 µA	-	72dB ~ 46dB (1kHz ~ 100kHz)	Enable	Over Current, Over Temperature	-40°C ~ 85°C (TA)	-	-	Surface Mount	5-TSSOP, SC-70-5, SOT-353	SC-70-5
LP38513TJ-ADJ/NOPB IC REG LIN POS ADJ 3A TO263 THIN Texas Instruments	2,571 In Stock	1 : £3.20000 Cut Tape (CT) 1,000 : £1.79343 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.5V	4.5V	0.43V @ 3A	3A	10 mA	20 mA	73dB ~ 70dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Surface Mount	TO-263-5 Thin	TO-263-5 Thin
BD00IA5WEFJ-E2 IC REG LIN POS ADJ 500MA 8HTSOP Rohm Semiconductor	2,118 In Stock	1 : £0.88000 Cut Tape (CT) 2,500 : £0.20661 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.6V @ 500mA	500mA	0.25 mA	500 µA	-	Enable	Over Current, Over Temperature, Soft Start	-25°C ~ 85°C	-	-	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-HTSOP-J
RT9179GB IC REG LIN POS ADJ 300MA SOT23-5 Richtek USA Inc.	7,813 In Stock	1 : £0.91000 Cut Tape (CT) 3,000 : £0.23743 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	1.175V	4.5V	0.3V @ 300mA	300mA	150 µA	-	-	Enable	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	SC-74A, SOT-753	SOT-23-5
BD00IC0WHFV-GTR IC REG LINEAR POS ADJ 1A 6HVSOF Rohm Semiconductor	933 In Stock	1 : £0.91000 Cut Tape (CT) 3,000 : £0.20875 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.6V @ 1A	1A	0.25 mA	500 µA	-	Enable	Over Current, Over Temperature, Soft Start	-25°C ~ 85°C	-	-	Surface Mount	6-SMD, Flat Leads Exposed Pad	6-HVSOF
LD39050PVR IC REG LINEAR POS ADJ 500MA 6DFN STMicroelectronics	249 In Stock	1 : £0.97000 Cut Tape (CT) 3,000 : £0.38184 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.2V @ 500mA	500mA	50 µA	200 µA	65dB ~ 62dB (1kHz ~ 10kHz)	Enable, Power Good	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C (TJ)	-	-	Surface Mount	6-UFDFN Exposed Pad	6-DFN (2x2)
RT9186AGQV IC REG LIN POS ADJ 500MA 8VDFN Richtek USA Inc.	720 In Stock	1 : £1.13000 Cut Tape (CT) 1,500 : £0.31715 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.22V @ 500mA	500mA	250 µA	-	-	Enable, Power Good	Over Current, Over Temperature	-40°C ~ 85°C	-	-	Surface Mount	8-VDFN Exposed Pad	8-VDFN (3x3)
BD00IA5MEFJ-ME2 IC REG LIN POS ADJ 500MA 8HTSOP Rohm Semiconductor	2,823 In Stock	1 : £1.35000 Cut Tape (CT) 2,500 : £0.34455 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.9V @ 500mA	500mA	0.25 mA	700 µA	-	Enable	Over Current, Over Temperature, Soft Start	-40°C ~ 105°C	Automotive	AEC-Q100	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-HTSOP-J
BD00IC0MEFJ-ME2 IC REG LINEAR POS ADJ 1A 8HTSOP Rohm Semiconductor	8,123 In Stock	1 : £1.53000 Cut Tape (CT) 2,500 : £0.40193 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.8V	4.5V	0.9V @ 1A	1A	0.25 mA	700 µA	-	Enable	Over Current, Over Temperature, Soft Start	-40°C ~ 105°C	Automotive	AEC-Q100	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-HTSOP-J
LP38512MRX-ADJ/NOPB IC REG LIN POS ADJ 1.5A 8SO Texas Instruments	326 In Stock	1 : £1.54000 Cut Tape (CT) 2,500 : £0.78000 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.5V	4.5V	0.3V @ 1.5A	1.5A	7.5 mA	14 mA	73dB ~ 70dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Surface Mount	8-PowerSOIC (0.154", 3.90mm Width)	8-SO PowerPad
LP38512TJ-ADJ/NOPB IC REG LIN POS ADJ 1.5A TO263-5 Texas Instruments	521 In Stock	1 : £1.60000 Cut Tape (CT) 1,000 : £0.84783 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	0.5V	4.5V	0.3V @ 1.5A	1.5A	7.5 mA	14 mA	73dB ~ 70dB (120Hz ~ 1kHz)	Enable	Over Current, Over Temperature, Short Circuit	-40°C ~ 125°C	-	-	Surface Mount	TO-263-5 Thin	TO-263-5 Thin
TPS7A3501DRVT IC REG LINEAR POS ADJ 1A 6WSON Texas Instruments	976 In Stock 811 Marketplace	1 : £1.86000 Cut Tape (CT) 250 : £1.06220 Tape & Reel (TR) 239 : £1.00548 Bulk	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel® Bulk	Active	Positive	Adjustable	1	5V	1.21V	4.5V	-	1A	5 mA	-	55dB ~ 42dB (10kHz ~ 1MHz)	Enable	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)	-40°C ~ 125°C	-	-	Surface Mount	6-WDFN Exposed Pad	6-WSON (2x2)
MIC69303YML-TR IC REG LINEAR POS ADJ 3A 12MLF Microchip Technology	9,822 In Stock	1 : £2.23000 Cut Tape (CT) 5,000 : £1.69974 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	1.63V	4.5V	0.5V @ 3A	3A	5 mA	75 mA	-	Enable, Error Flag	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	12-VFDFN Exposed Pad	12-VDFN (4x4)
MAX8842ELT+T IC REG LIN POS ADJ 150MA 6UDFN Analog Devices Inc./Maxim Integrated	24,716 In Stock 25,000 Factory	1 : £2.41000 Cut Tape (CT) 2,500 : £0.69825 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	6V	1.225V	4.5V	-	150mA	90 µA	-	72dB ~ 46dB (1kHz ~ 100kHz)	Enable	Over Current, Over Temperature	-40°C ~ 85°C (TA)	-	-	Surface Mount	6-WFDFN	6-µDFN (1.5x1)
MIC69302WR-TR IC REG LINEAR POS ADJ 3A SPAK-5 Microchip Technology	2,017 In Stock	1 : £2.86000 Cut Tape (CT) 750 : £2.16259 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Adjustable	1	5.5V	1.63V	4.5V	0.5V @ 3A	3A	5 mA	75 mA	-	Enable	Over Current, Over Temperature	-40°C ~ 125°C	-	-	Surface Mount	SPAK-5 (5 Leads + Tab)	5-SPAK

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4.5V 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.

4.5V Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

4.5V Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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