UC385T-1

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The UC385T-1 is an adjustable linear voltage regulator. It consists of an adjustable 3-terminal regulator and associated components that form a complete monolithic integrated device. The device is typically used to regulate the DC output of a switching power supply or other DC power source. It is capable of providing a wide range of output voltages and currents, up to a maximum of 1.5A. It is also ideal for applications that require a precise output voltage within a wide range of load conditions.

The UC385T-1 is a three-terminal, adjustable, linear regulator. It has a nominal output voltage of 5V, with a ± 2% tolerance, and is capable of supplying up to 1.5A of output current. The U385T-1 regulator features an internal voltage reference that is stable over operating temperature range, an adjustable output voltage, over current protection, and thermal shutdown. The regulator is designed to provide excellent line and load regulation performance, low output noise, fast transient response, and low output voltage ripple.

The UC385T-1 utilizes an internal bandgap reference that is accurate to ±2%. The output voltage is set by a single resistive feedback network with no external capacitors or active components required. This integrated voltage regulator offers input voltage protection up to 24V, an adjustable output voltage range of 1.25V to 24V, thermal protection, over current protection, and low output voltage ripple. The device is also rated for operation from -40C to +85C.

The UC385T-1 regulator is a switchmode current regulator which controls the output current using a pulse width modulation (PWM) technique. This technique utilizes feedback from the output voltage to adjust the duty cycle of the pulses to maintain a steady output voltage across load variations. The regulator has an active load transient response, allowing it to quickly respond to a sudden load change. Its low output voltage ripple also makes it suitable for noise sensitive applications.

The UC385T-1 offers excellent line and load regulation, enabling it to provide a predominantly constant output voltage across a wide input voltage and load range. This ensures that the regulator is capable of providing a stable output voltage even when the input voltage changes or when the load current varies. The device’s internal protection mechanisms further contribute to its capability to provide a reliable and stable output voltage across a wide range of conditions.

The UC385T-1 is an excellent choice for applications that require an adjustable output voltage in a wide range of load conditions. Its stable output voltage across a wide range of load transfers, makes it suitable for noise sensitive applications. The inclusion of features such as integrated voltage protection, over current protection and thermal shutdown further add to its utility. Its compact solution size and wide operating temperature range also make it an ideal choice for many general-purpose applications.

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