UCC3585N

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The UCC3585N is a pulse width modulation (PWM) switching regulator control circuit with high-speed MOSFET transition which is widely used as a DC-DC controller. It provides automatic current limit, cycle-by-cycle over voltage and short-circuit protection for a wide range of applications. Specifically, the UCC3585N is designed to convert either a wide or a narrow range of inputDC voltages into a regulated output voltage using an external MOSFET. The output voltage regulation is provided by the on-board Pulse Width Modulation (PWM) amplifier.

The UCC3585N uses a PWM switching scheme instead of a series control scheme which is used by other switching regulator control circuits. This scheme provides a low-loss solution which gives the UCC3585N its ultimate power-saving capability as well as its higher efficiency. This makes the UCC3585N an ideal solution for a wide range of power applications, from power supplies to motor control applications.

The UCC3585N has a wide working voltage range and can operate from 4.5V to 42V. It is versatile, supports no-load operation, is capable of regulating both buck and boost configurations and is resistant to input voltage transients. This makes it suitable for a variety of no-load applications such as pre-regulation stages in power supplies, voltage converters, uninterruptible power supplies, motor controllers and more.

The UCC3585N is designed to operate in a wide temperature range from -40°C to +85°C without any additional components. This makes it an excellent choice for applications in extreme temperature environments, such as automotive power systems. Furthermore, the UCC3585N has an internal temperature-compensated open-loop gain and it is ideal for systems requiring high power output and high performance. The UCC3585N can also be controlled by a resistor for either output voltage or current regulation.

The UCC3585N has a high current capability and can supply up to 500mA of output current. The built-in pulse-by-pulse current limit helps to protect the system and provide maximum reliability. This feature also allows it to be used as a DC-DC converter which can support higher power output levels. The UCC3585N also features an adjustable internal deadtime and soft-start circuitry, which helps ensure stable system operating conditions.

The on-board soft-start circuit can be configured using two external capacitors which are connected to the UCC3585N’s external soft-start terminals. The external soft-start circuit will be triggered when input power is first applied and will automatically adjust the PWM duty cycle so that the output voltage ramps up from zero to its regulated value in a regulated and safe manner. This helps prevent load dumps, output overshoots and excessive current loads.

The UCC3585N also has a wide range of protection features built-in. These include over-voltage, undervoltage, over-temperature, short-circuit, open-load, over-current protection and over-power protection. All these protection features help to ensure system stability, reduce downtime and increase reliability. Finally, the UCC3585N has a low-noise design and an adjustable switching frequency of up to 2MHz which allows it to be used in noise-sensitive applications such as portable electronic device.

In summary, the UCC3585N is a high-efficiency, high-performance switching regulator control circuit with current limiting, cycle-by-cycle over voltage and short-circuit protection. It is suitable for a wide range of power applications including power supplies, motor control systems, uninterruptible power supplies, voltage converters, and pre-regulation stages in power supplies. The UCC3585N also has a wide temperature and voltage range, is capable of regulating buck and boost configurations and has several protection features. This makes it an excellent choice for a wide range of applications in extreme temperature and noise-sensitive environments.

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