FAN5362UMP33X

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The FAN5362UMP33X is a DC-DC switching regulator. It is part of the DC/DC step-down product family of voltage regulators by Fairchild Semiconductor. It is designed primarily for battery operated mobile phones. It is a pin-compatible upgrade to its predecessor – the FAN5362.

The FAN5362UMP33X integrates both high-side and low-side MOSFETs into a high-voltage, low profile multi-chip module (MCP) device. It also includes two integrated Schottky diodes and a synchronous rectifier with minimal output current ripple. It is specifically designed to convert an input voltage from 2.7V to 6V into an adjustable output voltage from 0.6V to 5V with a peak efficiency of up to 95%. It also has a low quiscent current of <3 µA.

The device is equipped with a regulated eFuse circuit that prevents short-circuits up to +/-100V. It also has several protection functions, such as overload protection, thermal overload protection and overvoltage protection. Its operating temperature range is between -40°C and +85°C, and it is AEC-Q100 qualified.

The FAN5362UMP33X features a fixed frequency, current-mode PWM (pulse-width modulation) control which is suitable for a range of applications including automotive and consumer electronics. It includes a PWM control circuit for burst mode operation and a soft-start circuit that is adjustable between 0.1 ms and 1 ms by external resistor. The device also has a protection circuit that prevents excessive load compensating currents and it supports a wide range of external resistor values.

The FAN5362UMP33X also has integrated undervoltage and overvoltage protection, permitting the frequent accurate monitoring of input voltage, thus ensuring optimal performance and preventing damage to the device or connected devices. It supports a wide range of external components, and is I2C programmable, allowing the user to adjust the parameters of the device, including the current limit and slew rate.

The FAN5362UMP33X is an efficient and cost-effective solution for a number of consumer and automotive applications. In consumer applications, it is used for battery powered applications such as portable DVB-S2 and DAB+ receivers and movie players, MP3 and MP4 players, smart watches, hands-free telephones and cameras. In automotive applications, it is used for rearview mirror cameras, Electronic Control Units (ECUs), power amplifiers, radios and navigation systems.

In summary, the FAN5362UMP33X is a highly efficient, DC-DC switching regulator. It is designed specifically for battery powered mobile phones and supports a wide range of external components. It is I2C programmable and supports under-voltage and overvoltage protection. The device is suitable for a range of high power applications including automotive, consumer and industrial applications.

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