LD1086DTTRY

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LD1086DTTRY is a voltage regulator tailored for power management of integrated circuits (ICs) and systems operating from both ac and dc power sources. This monolithic linear voltage regulator is designed to provide a regulated 5 V output over a wide input voltage range from 3 V to 28 V. It features a standard TO-220Form-A package with internal current limit, overtemperature protection, shutdown mode, and ultra-low quiescent current.

The integrated circuit (IC) passes the input current, which is sourced from the power supply, to one of the regulator’s five terminals (“INPUT”, “OUTPUT”, “VOLTAGE ADJ”, “GROUND”, and “SHUTDOWN”). The voltage regulator then converts the input voltage, which is out of tolerance (for example, higher than 5 V), to the desired output voltage value (5V). This process is accomplished through the use of control loop circuitry inside the IC. This circuit controls the gate voltage of the series pass MOSFET ultimately modulating the voltage output. The feedback signal comes from the regulation-input terminal and goes to the error amplifier. The series pass MOSFET is turned on or off as needed to maintain the output voltage at the intended value. This action, along with small adjustments of resistive elements in the internal circuitry, helps maintain the output within the acceptable tolerance range.

The LD1086DTTRY operates with a quiescent current of only 6 mA and is offered in TO-220Form-A packages suitable for low-profile applications. It is also designed to accept a wide range of input voltages from 3 V to 28 V, and its internal current limit is adjustable with an external resistor. The output voltage can be programmed by adding an external resistor to the adjacent terminal. Its shutdown mode is enabled when a logic low voltage is applied to the regulators’ Shutdown input, reducing quiescent current to only 40 nA.

The LD1086DTTRY is a perfect solution in applications, such as post-regulator, battery charging, power supply, dc-dc convertors, computer systems with high power applications and memory back-up, LCD TV/Monitor supplies, LEDs, and 12V automotive power supplies.

It has been widely used and integrated in many types of devices and systems due to its low power loss, low quiescent current, operational in extreme temperatures, and improved protection features which give it a very reliable and efficient operation.

The LD1086DTTRY is a high-performance, precision voltage regulator designed to guarantee higher accuracy and excellent load regulation. This integrated circuit can provide a stable and regulated 5 V power supply from 3 V to 28 V input voltages. It is suitable for cost sensitive applications and features a very low quiescent current, current limiting, and overtemperature protection.

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