ADP2108ACBZ-2.3-R7

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ADP2108ACBZ-2.3-R7 is a DC-DC switching regulator belonging to the voltage regulators product family of PMIC (power management integrated circuits). The device is a high frequency, synchronous step-down DC-DC regulator with internal power MOSFETs, allowing a wide adjustment range of the output voltage, and the possibility of maintaining high efficiency across a wide load range. The high switching frequency of 1.6 MHz allows the use of very small-sized external components, while still delivering accurate output voltage. The regulator is capable of providing an output voltage of 2.3 V; its junction temperature can reach up to 125°C, and the device works with an industrial temperature range from -40°C to +85°C.

The ADP2108ACBZ-2.3-R7 can operate with input voltages ranging from 3.3 V to 17 V, with the capability to handle transient loads up to 2.4 A peak, and steady-state loads up to 2 A. The output voltage accuracy is ±2.5%, and the maximum output current is 2 A. It also supports soft-start, pre-bias start-up, and includes peak current mode control (PCMC) to ensure fast transient response.

The device features over-temperature protection and under-voltage lockout (UVLO), both of which can be configured with external resistors. Over-current protection is also included, with a configurable accuracy of 0.4 A, 0.6 A or 1 A for the current limit threshold. Other protection features include output short-circuit protection and load-dump protection, both of which can be enabled and disabled via the OCP pin on the device.

The ADP2108ACBZ-2.3-R7 is suitable in applications where a high efficiency, small size, low noise, and an adjustable output voltage are required, such as LCD panels, set-top boxes, GPS modules and handheld devices. The excellent power quality, cost effectiveness, and ease of use make it a great choice for these types of applications.

The internal workings of the ADP2108ACBZ-2.3-R7 are based on an advanced current-mode control topology. An internal voltage reference supplies the error amplifiers responsible for regulating the output voltage. An oscillator provides frequency control, and PWM logic is integrated to control a high-side and a low-side power MOSFET, synchronously switching the power between the input and the output. The device is capable of efficiently regulating a wide load range, with a high power-conversion efficiency, and it does so with a minimal number of external components.

The ADP2108ACBZ-2.3-R7 is an ideal solution for applications requiring a small-sized, high-efficiency voltage regulation. Its excellent performance, robust protection features, and wide load range make it a great choice for many types of system designs.

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