L4964HT

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The L4964HT is a relatively new type of DC/DC switching regulator, designed for use as an integrated circuit with power supplies of up to 3.2A. The device offers a wide range of features and benefits, including adjustable output voltage, temperature protection, and ripple reduction. It is also optimized for low-noise operation.

Application Field

The L4964HT is suitable for use as a general-purpose DC/DC switching regulator in a variety of applications and has the ability to step down (or step up) voltage levels. The device is suitable for use in battery-operated devices, such as portable electronics, where a stable and efficient power source is required. It is also ideal for use in automobiles, motor controllers, industrial and medical instrumentation, and other equipment.

The device is also suitable for use in applications where a constant voltage source needs to be maintained regardless of the load variations, such as instrumentation and data acquisition systems. The device is also suitable for use in applications where a supply with good transient response is required, such as mixed-signal circuits or other circuits that require fast settling and low-noise power supplies.

Working principle

The L4964HT utilizes a switching regulator topology, which works by rapidly switching on and off a power transistor in order to control the transfer of power from an input voltage source to an output voltage rail. The switching frequency determines the speed at which the device can transition from one voltage level to another. The device operates at a frequency of up to 1.5MHz, making it very suitable for use in a wide range of applications.

The L4964HT features a programmable over-current sensing and protection circuitry, which can be used to limit the amount of current that can be consumed at any given time. This feature is useful in applications where the device may be used in environments where overloads can occur. The device also features under-voltage and over-voltage protection circuitry, which can limit the risk of over-voltage and undervoltage conditions, respectively.

The device utilizes a wide range of conversion topologies, such as buck, boost, or buck-boost, which allows it to provide a stable output over a wide range of input voltages. The device also features adjustable output voltage, which makes it suitable for a wide range of applications.

The L4964HT is also capable of providing virtually ripple-free output voltage, which can increase the performance of circuits that rely on accurate voltage levels. The device also features low standby current consumption, which help to reduce power consumption when the device is not actively switching. Additionally, the device features low thermal resistance, which helps increase its performance and overall efficiency.

Overall, the L4964HT is a highly efficient and robust DC/DC switching regulator, and is suitable for use in a variety of different applications, including portable electronics and automobile applications. The device has the ability to provide an adjustable output voltage over a wide range of input voltages, and it also offers the added benefits of temperature protection and ripple reduction.

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