ST730 Low-Dropout (LDO) Voltage Regulator

STMicroelectronics ST730 Low-Dropout (LDO) Voltage Regulator is a 300mA regulator, which is designed to be used in several medium voltage applications. Ultra-low quiescent current of 5μA makes it suitable for applications permanently connected to a power supply/battery. This feature is also useful when electronic modules remain permanently turned on. The ST730 embeds protection functions, such as current limit, short-circuit, and thermal shutdown. The extended input voltage range, very low drop voltage, and low quiescent current features also make it suitable for low-power after-market automotive and consumer applications.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Output Voltage
Output Current
Number of Outputs
Polarity
Quiescent Current
Input Voltage - Min
Input Voltage - Max
Output Type
Minimum Operating Temperature
Maximum Operating Temperature
Dropout Voltage
Series
Packaging
STMicroelectronics LDO Voltage Regulators 300 mA 28 V 5 uA quiescent current
Datasheet
43,076In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT 3.3 V 300 mA 1 Output Positive 10 uA 2.5 V 28 V Fixed - 40 C + 125 C 600 mV ST730 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5 uA quiescent current
Datasheet
1,976In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5 A quiescent current
Datasheet
3,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

ST730 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current
Datasheet
2,956In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 5 V 300 mA 1 Output Positive 5 uA 2.5 V 28 V Fixed - 40 C + 125 C 600 mV ST730 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current
Datasheet
68In Stock
3,000Expected 2026/07/30
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT Adjustable 300 mA 1 Output Positive 10 uA 2.5 V 28 V Adjustable - 40 C + 125 C 600 mV ST730 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

ST730 Reel