MPQ2451DT-AEC1-LF-P

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Application Field: MPQ2451DT-AEC1-LF-P is typically applied in battery-powered handheld devices, such as mobile phones and PDAs, where system regulation, tracking, sequencing and other features are required. The device has an adjustable output voltage and current limit as well as many features that make it temperature compensated over a wide range of voltage operating load ranges to ensure stability and accuracy.

Working Principle: The MPQ2451DT-AEC1-LF-P is a DC-DC switching regulator that regulates, tracks, and sequences the output power of up to four different outputs. It operates in a constant-on-time mode that accurately limits current and maintains the desired voltage. The device uses an internal power MOSFET to regulate, track, and sequence the output power of four different outputs, including a battery output. It also has a power sufficiency (PS) input that monitors battery voltage, allowing the device to regulate the output voltage while keeping the battery within a safe operating range.

The MPQ2451DT-AEC1-LF-P is equipped with an adjustable output voltage and current limit. It enables an output voltage range from 0.3V to 7V and a load current of up to 3A. The limited current and voltage range helps protect the device from overvoltage, overcurrent, undervoltage and over temperature conditions. The device has a wide input voltage range of 2.7V to 8.4V regulated.

The MPQ2451DT-AEC1-LF-P operates in a synchronous buck PWM mode at pulse frequencies up to 1MHz. It has fixed frequency control with a PWM frequency that is set internally. The device employs a maximum duty cycle of 90%, allowing output voltage to be adjusted to the desired level. The device also has a built-in soft-start feature, allowing the output voltage to ramp up slowly when the device is first powered up. This reduces inrush current and stress on the system components.

The device also has an adjustable enable input which allows the user to disable the device when it is not in use. This helps conserve power when the device is not being utilized. The device also has a low-power sleep mode, which further reduces power consumption when the device is not being used.

The MPQ2451DT-AEC1-LF-P is equipped with a host of protection features, such as over-temperature protection and over current protection, to ensure the device remains reliable and safe in case of unexpected conditions. The device also has a slew rate control function, which prevents large overshoots.

The MPQ2451DT-AEC1-LF-P is housed in a PQFN package and is available with fixed output voltages of 1.5V, 3.3V, 5V, and 6V. This device is perfect for applications requiring up to 4 different regulated outputs, while keeping power consumption to a minimum. The device is RoHS compliant and provides the user with a solution for their power-management needs.

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