LT1172CT#31PBF

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The LT1172CT#31PBF is a linear regulator in a 14-Pin PDIP package, and is designed to provide necessary voltage regulation for high-power, high-speed, DC-DC converters by allowing from ±5V to 50V input and output voltages up to 150V. It features a high-performance triple current-mode control loop, an EEPROM, an adjustable precision voltage reference, dual low-dropout linear regulators, and a low-cost sequencer circuit with high-precision adjustable pads and an asynchronous reset. There are two of these regulators available, the LT1172CT#31PBF and the LT1179CT#31PBF.

The LT1172CT#31PBF is designed for applications such as DC-DC power converters, power supplies, and systems where precision voltage regulation is needed. It is a step-up/step-down DC-DC switching regulator that provides exceptional performance in a wide range of input/output voltages and currents. Its high-performance triple current-mode control loop ensures that the LT1172CT#31PBF can maintain excellent accuracy over a wide range of load conditions. The output voltage is adjustable with an external bias resistor and trimmed with a precision voltage reference. Additionally, the advanced active reset circuit makes it suitable for automotive applications such as battery-powered systems.

The LT1172CT#31PBF comes with an EEPROM, which can be used to store operations data such as voltages, currents, system parameters, and other control information. The EEPROM can be used to store configuration bits, thermal protection data, and clock timing information. Furthermore, the EEPROM enables the LT1172CT#31PBF to be used as a programmable power supply in applications such as this.

The LT1172CT#31PBF features a low-cost sequencer circuit and an asynchronous reset, which allows the user to control the regulator up to four times faster than with an on/off switch. The reset circuit is designed for controlling the operation of the LT1172CT#31PBF in applications with power supply on- or off-times; it can be used for load control in battery-powered systems. The device also features a dual low-dropout linear regulator and an adjustable precision voltage reference.

The LT1172CT#31PBF makes an excellent choice for DC-DC switching regulator applications because it offers superior accuracy and high performance in both step-up and step-down modes. The high-performance triple current-mode control loop ensures accuracy over a wide range of conditions and the EEPROM allows the user to store operational data and configure the regulator for optimal performance. The low-cost sequencer circuit, asynchronous reset, adjustable precision voltage reference, and dual low-dropout linear regulators make the LT1172CT#31PBF an excellent choice for applications requiring precision voltage regulation.

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