LT1767EMS8-2.5#TRPBF

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The LT1767EMS8-2.5#TRPBF is a high-voltage, low-noise, dual step-down DC/DC switching regulator, designed to reduce power consumption and save space in a range of different portable applications. It uses a unique, high-efficiency monolithic dual synchronous switching design to provide the highest possible level of efficiency, while also providing superior noise performance. The LT1767EMS8-2.5#TRPBF is capable of delivering up to 2.5A continuous current, and is available in a number of different package types.

The LT1767EMS8-2.5#TRPBF is targeted at a wide range of portable applications such as cellular phones, digital cameras, MP3 players, and portable medical devices. It is well suited to applications requiring wide input voltage range and low output voltage ripple, and offers an output voltage range of 0.75V to 6V. The integrated 300mΩ switches reduce the power dissipation and output voltage ripple, while the low-noise synchronous design offers superior performance over linear regulators. The LT1767EMS8-2.5#TRPBF also features external shutdown control, enabling power saving modes when not needed.

Working Principle of LT1767EMS8-2.5#TRPBF

The LT1767EMS8-2.5#TRPBF is a dual step-down switching regulator, with one supply input and one or two outputs. It uses a synchronous buck converter topology, which is a type of switching regulator. The switch mode topology allows high-efficiency conversion from one DC voltage level to another, with minimal energy loss. The LT1767EMS8-2.5#TRPBF offers up to 98% conversion efficiency, as well as high-speed transient response.

The LT1767EMS8-2.5#TRPBF uses an internal PWM controller to provide the necessary switching pulses to drive the external switch MOSFETs. The PWM controller is programmed using an external resistor divider that sets the nominal switching frequency and output voltage. The PWM controller then adjusts the duty cycle of the switch MOSFETs in order to keep the output voltage at the selected level. The LT1767EMS8-2.5#TRPBF also features an integrated soft-start feature that reduces start-up current inrush, as well as a low quiescent current sleep mode (typically <50μA) for improved power savings.

The LT1767EMS8-2.5#TRPBF can be used as either a single or dual output DC/DC converter. In a single output configuration, the supply input is connected to the VIN terminal and the output voltage is programmed using the resistor divider connected to the VOUT terminal. In dual output configurations, the VIN and VOUT terminals are connected respectively to the supply input and the two output voltages, and both voltages are programmed using a single resistor divider connected to the VOUT terminal.

Application of LT1767EMS8-2.5#TRPBF

The LT1767EMS8-2.5#TRPBF is an ideal choice for a wide range of portable and low power applications, such as mobile phones, digital cameras and portable medical devices. Its high efficiency and low noise performance make it well suited for use in applications requiring higher than average noise performance or output voltage ripple, such as high speed data converters. The LT1767EMS8-2.5#TRPBF also features an integrated enable function that enables designers to integrate power saving modes into their applications, ensuring the the device can operate with maximum efficiency in all conditions.

In addition to its applications in portable and low power applications, the LT1767EMS8-2.5#TRPBF can also be used in a wide range of other applications, such as automotive and industrial designs. Its high efficiency and high-current capability make it well suited for use in these designs, and the wide input and output voltage range allows designers to meet their power requirements with minimal effort.

Conclusion

The LT1767EMS8-2.5#TRPBF is a high-efficiency, low-noise, dual step-down DC/DC switching regulator, designed to deliver up to 2.5A continuous current. It offers a wide input voltage range and low output voltage ripple, and is targeted at a wide range of portable, automotive, and industrial applications. The integrated soft-start and enable function offers improved power savings and integration capabilities, making the LT1767EMS8-2.5#TRPBF an ideal choice for a wide range of applications.

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