LTC1702ACGN#PBF

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LTC1702ACGN#PBF is a low-cost switching controller in the voltage regulator family of DC-DC controllers, and it combines a high-efficiency step-down switching regulator and high-speed power MOSFET driver with a precision oscillator. The LTC1702ACGN#PBF is designed to provide a simple and efficient solution to board-level power switching and energy management applications. Its precision oscillator eliminates the need for external components like clock crystals, thus significantly reducing operating costs and improving the design’s overall efficiency. It is simple to use since all its settings are already pre-programmed by the on-chip configuration registers.

This DC-DC controller uses a buck-boost regulator architecture to provide precise output control over a wide range of input voltages from 1.5V to 20V and support both voltage-mode and current-mode control. Its flexible architecture provides superior performance for a broad range of battery-powered and other applications. The LTC1702ACGN#PBF also offers a wide array of protection features to ensure system accuracy and reliability. These include a sophisticated brown-out and over-temperature protection, as well as programmable over-current protection.

The LTC1702ACGN#PBF is a highly integrated solution for creating efficient DC-DC switching regulators in the voltage regulator family of devices. Its features make it suitable for various applications, from battery-powered systems to general-purpose energy management. It is designed to maintain precise output voltage regulation under a wide range of input voltages, temperatures, and power losses. In addition, its high-efficiency switching-mode power regulation and programmable protection makes it a cost-effective solution for powering a variety of sensitive electronic components.

The LTC1702ACGN#PBF is useful in both application fields that require targeted load power management and those that require multiple outputs. It is capable of driving charge pumps, LED drivers, flyback converters, linear regulators, and other applications. Its voltage mode control loop provides fast transient response and its current mode control loop provides excellent voltage and output current regulation. Furthermore, its adjustable switching frequency allows designers to reduce external component size and improve system efficiency.

The LTC1702ACGN#PBF also uses an internal error amplifier to minimize the influence of output ripple on the system’s precision feedback loop. The amplifier is coupled with a sense resistor that is connected between the output voltage and ground. With the presence of this resistor, the error amplifier enables a closed-loop control system that has excellent regulation performance with small amounts of output voltage ripple.

In addition, the LTC1702ACGN#PBF features under-voltage lockout (UVLO) and on-off control. The UVLO is set by an external resistor and has a configurable threshold between 1.5V and 5V. This feature allows designers to limit the output voltage when the system is turned off, thereby eliminating the possibility of over-voltage damage to system components. The on-off control pin enables an external pin to control the system on/off state. The high-side MOSFET driver allows high-side and low-side switch operation in both synchronous and asynchronous applications.

The LTC1702ACGN#PBF is a robust voltage regulator ideal for use in point-of-load applications. Its dynamic frequency control, adjustable switching frequency, high-side and low-side switch operation, and various other features provide a powerful and versatile solution for energy and power management applications. In addition, its small package size and low cost make it suitable for a wide range of low-power applications.

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