LT1054ISW#PBF

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The LT1054ISW#PBF is a monolithic step-down DC/DC converter that is capable of delivering up to 1A and has been widely used in a variety of applications. The device belongs to the DC/DC switching regulators family which is included in Power Management Intern Circuit (PMIC) products market. The LT1054ISW#PBF offers excellent performance and flexibility while maintaining high levels of efficiency, making it an ideal choice for applications that require efficient and low-volume dc/dc voltage conversion.

Overview

The LT1054ISW#PBF is a CMOS step-down DC/DC converter that can deliver up to 1A. The device has on-board programmable voltage feedback, switching current and switching frequency, which allows the user to easily configure the voltage and current according to the application requirements. The device also has both synchronous and non-synchronous rectifier options which can offer better efficiency and flexibility. The device also comes with a wide operating temperature range and a high switching frequency range, making it suitable for use in a variety of applications.

Application Field

The LT1054ISW#PBF is ideal for low-volume voltage conversion applications such as those found in automotive, audio, instrumentation, telecommunications, and industrial equipment. The device has no minimum load current and is able to supply maximum output power at low line, making it suitable for distributed power systems. Additionally, the device can be used for battery-operated applications such as tablet computer and cell phones, thanks to its low power consumption.

Working Principle

The LT1054ISW#PBF uses a PWM (Pulse Width Modulation) topology for voltage conversion. The device is controlled by an external voltage reference and a series of feedback pins that provide both current and voltage sensing information to the device. The device uses the information from the feedback pins to adjust the duty cycle of the PWM waveform for voltage conversion. In addition, the device features an internal clock to provide frequency modulation for higher efficiency.

Conclusion

The LT1054ISW#PBF is a monolithic step-down DC/DC converter that is capable of delivering up to 1A. The device is part of the PMIC - Voltage Regulators - DC DC Switching Regulators family and is suitable for low-volume voltage conversion applications. The device features an internal clock, a PWM topology, voltage and current feedback, and adjustable switching frequency options to provide excellent performance and flexibility. The device is an ideal choice for applications which require efficient and low-volume dc/dc voltage conversion.

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