LTC3122IDE#TRPBF

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The LTC3122IDE#TRPBF is a compact, low-voltage triple-output DC-DC switching regulator with ideal diode rectifier control that enables a high voltage to be generated from a low voltage source using a minimum of power components. It is part of a family of products belonging to the Voltage Regulators – DC DC Switching Regulators category of the PMIC (Power Management Integrated Circuit) group of products.

The LTC3122IDE#TRPBF operates in step-up, step-down and buck-boost configurations. It features a 2.25V to 5.5V input voltage range, up to 97% efficiency, up to 1MHz switching frequency, up to 2A per channel current limit, and up to 12A total output current. In addition, the device offers a low quiescent current of 39µA, a peak current-mode control, adjustable switching frequency, dynamic output disconnect and built-in OVP (Over Voltage Protection), OCP (Over Current Protection), and OTP (Over Temperature Protection) features.

The LTC3122IDE#TRPBF features a low RDSON integrated synchronous rectifier, accurate regulation, and low noise. It also features an analog soft-start in the main switch for fast start-up. The device is ideal for powering LEDs, digital displays, and other devices from a single or multiple Li-ion batteries. It can also be used in battery-powered systems, as well as systems with a low supply voltage.

The LTC3122IDE#TRPBF offers a wide range of applications in the portable and space-constrained systems. It can be used in portable medical equipment, consumer electronics, wearable medical applications, and lighting products such as flashlights and portable radios. It has the ability to power two independent outputs (3.3V and 5V) while meeting stringent thermal and miniaturization requirements.

The LTC3122IDE#TRPBF allows the user to select the output voltage, current limit setting and switching frequency. The user has to adjust the timing parameters in order to ensure that the power system delivers the desired current and voltage. The switching frequency is adjustable from 200kHz to 1MHz with an internal oscillator. The internal oscillator can be synchronized externally for noise reduction.

The LTC3122IDE#TRPBF operates from a 2.25V to 5.5V input voltage range, and features an adjustable constant frequency, current-mode (peak current-mode) architecture for continuous, reliable operation. The device utilizes a low RDSON integrated synchronous rectifier, allowing the device to achieve more than 95% efficiency without an external Schottky diode. The power system also features wide input and output voltages, low drop-out performance, low quiescent current, and a small package size.

The LTC3122IDE#TRPBF is available in an 8-lead PDIP package and a 4-lead uMAX package. The device is also offered in a QFN-8 (3mm x 3mm) package that makes it ideal for space-constrained applications. The LTC3122IDE#TRPBF operates over a -40°C to +85°C temperature range, making it suited for operation in harsh environments.

The LTC3122IDE#TRPBF is a low-voltage, low-noise triple-output DC-DC switching regulator that provides the user with the ability to power two independent outputs (3.3V and 5V) from a 2.25V to 5.5V input voltage range. The device can be used in both step-up and buck-boost configurations, and features wide input and output voltages, low drop-out performance, low quiescent current, and a small package size. The LTC3122IDE#TRPBF is ideally suited for powering LEDs, digital displays, and other devices in portable medical equipment, consumer electronics, wearable medical applications, and lighting products.

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