STMicroelectronics Linear Voltage Regulator, 30V Maximum Input, 3-Pin Surface Mount LD1085D2T33R

STMicroelectronics LD1085D2T33R is a high-performance linear voltage regulator featuring a low dropout (LDO) architecture capable of delivering stable voltage regulation with a maximum input voltage rating of 30 volts. This 3-pin, surface mount device operates at positive polarity and is part of the LD1085 series, optimized for applications requiring currents above 2.5A.

The device boasts a low quiescent current of 5mA, helping to reduce power consumption in battery-operated and energy-efficient systems. Its compact package size (10.4mm length, 9.35mm width, and 4.6mm height) supports integration into space-constrained electronic designs.

Rated for operation up to 125°C, the LD1085D2T33R ensures reliability even under harsh temperature conditions, making it suitable for industrial and commercial electronic applications.

Low dropout voltage capabilities allow the regulator to maintain output voltage regulation even with minimal difference between input and output voltages. This results in improved efficiency and reduced heat dissipation compared to traditional linear regulators.

Its fast transient response and high Power Supply Rejection Ratio (PSRR) provide stable and clean output voltage, essential in sensitive analog and digital circuits. The surface mount 3-pin package ensures ease of assembly on modern printed circuit boards (PCBs), supporting automated manufacturing processes.

Common applications include power management in consumer electronics, industrial instrumentation, automotive electronics excluding automotive standard compliance, and communication devices.

With no special regulatory approvals listed, this product is intended for general electronic component usage where standard quality and performance are suitable. Provides low quiescent current of 5mA for efficient power management.

Compact package dimensions of 10.4mm length, 9.35mm width, and 4.6mm height. Operates up to a maximum temperature of 125°C for reliable performance. Designed as part of the LD1085 series suitable for applications requiring up to 2.5A current.

Offers fast transient response and high power supply rejection ratio (PSRR). Surface mount type allows easy PCB integration. Positive polarity ensures compatibility with common power supply designs. Widely used in electronic circuits for voltage regulation and power management.

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