FAN48630UC50X

Voltage - Output (Min/Fixed):	5V, 5.29V
Base Part Number:	FAN48630
Supplier Device Package:	16-WLCSP (1.78x1.78)
Package / Case:	16-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.5MHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	--
Series:	TinyBoost®
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.35V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The FAN48630UC50X is a switching regulator that is part of the DC/DC family of voltage regulators. It is a DC/DC buck converter that can operate over a wide input voltage range and provide a fixed output voltage. The FAN48630UC50X is designed for applications that require high accuracy and low noise, such as in VRMs, telecom, industrial, and medical devices. It has a fast transient recovery time, low output ripple, and high efficiency.

Application Field of the FAN48630UC50X

The FAN48630UC50X is designed for use in applications that require an output voltage between 1.5V and 5V. It is suitable for a wide variety of industrial, telecom, and medical applications, such as laser diode drivers, RF power amplifiers, and analog-to-digital converters. It is widely used in point-of-load and embedded systems, power line communications, fieldbus systems, and multi-rail power supplies. The FAN48630UC50X is also used in automotive applications, such as audio systems, power windows, and power locks.

Working Principle of the FAN48630UC50X

The FAN48630UC50X is a synchronous buck converter that utilizes a switch-mode control circuit to regulate the output voltage. It consists of an inductor, a voltage comparator, and a MOSFET switch. The inductor is used to store energy, the voltage comparator compares the feedback voltage to the reference voltage, and the switch is used to control the output voltage.When the MOSFET switch is closed, current passes through the inductor and the voltage across the inductor builds up. When the switch is opened, the stored energy is released, and the voltage across the inductor falls. This creates a pulsed current which is controlled by the voltage comparator. The voltage comparator compares the feedback voltage to the reference voltage and adjusts the on/off times of the switch accordingly. This process is repeated until the output voltage is equal to the reference voltage.

Conclusion

The FAN48630UC50X is a DC/DC buck converter that is designed for applications that require high accuracy and low noise. It has a wide input voltage range and provides a fixed output voltage. The device utilizes a switch-mode control circuit to regulate the output voltage and is widely used in industrial, telecom, and medical applications.

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