LT1956IGN-5#PBF

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LT1956IGN-5#PBF DC DC Switching Regulators: Application Field and Working Principle

DC DC switching regulators are generally used to power a variety of applications such as portable electronics, medical, avionics and industrial systems. The LT1956IGN-5#PBF is a specific DC DC switching regulator manufactured by Linear Technology that is typically used to supply point-of-load power. It provides up to 15A output at a wide input voltage range of 2.25V to 24V, and is intended for applications such as routers, graphic cards and point-of-load conversion.

The LT1956IGN-5#PBF\'s main features are its configurable synchronous buck regulator and adjustable mode operation. Its Synchronous Buck Regulator consists of an inductor-type surface-mounted converter (SMPS) consisting of two power switches and two power diodes with adjustable turn-on/turn-off times, adjustable-frequency operation, current-mode control and a wide range of output voltage. This design supports wide input voltage ranges, allows for fast transient response and high efficiency.

The adjustable mode controller provides a number of advantages. For example, it provides hysteretic feedback, which helps reduce noise, ripple and switching noise on the output. The hysteretic feedback works by monitoring the output voltage (Vout) and comparing it with a reference voltage (Vref). If Vout is higher than Vref, the output current is reduced, and vice versa. This ensures a relatively stable output voltage even when changes occur in the load. The adjustable mode controller also improves efficiency levels and eliminates the need for external compensation components.

The LT1956IGN-5#PBF is a highly efficient device and provides a wide variety of protection features for safe operation. These include built-in thermal shutdown and over voltage protection. Additionally, it exhibits low switching losses and has a wide operating temperature from -40°C to 85°C.

The LT1956IGN-5#PBF can be best utilized for a variety of purposes such as circuits with point-of-load requirements, consumer and telecom systems, as well as automotive and industrial applications. It is also commonly used in telecommunications, computer peripherals, gaming consoles, test and measurement equipment and data centers.

In conclusion, the LT1956IGN-5#PBF is a highly efficient, high-performance DC DC switching regulator that is suitable for a myriad of applications. It features adjustable frequency operation, current-mode control, hysteretic feedback and various protection features. Thanks to its wide operating temperature range, it is also suitable for use in different environmental conditions.

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