FAN53555BUC23X

Voltage - Input (Max):	5.5V
Supplier Device Package:	20-WLCSP
Package / Case:	20-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.4MHz
Current - Output:	5A
Voltage - Output (Max):	1.39V
Voltage - Output (Min/Fixed):	0.6V
Series:	TinyBuck®
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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FAN53555BUC23X is a high-efficiency, low-noise, synchronous buck DC-DC step-down converter that is designed for use in high-performance, low-power applications. This device can operate in step-down (buck) mode, or in step-up/down (boost/buck) mode with a minimal output current rating of 10mA. This device is available in a tiny 8-Pin SO-SN or 8-leadMSOP package that is suitable for use in a wide range of applications.The FAN53555BUC23X DC-DC switching regulator is designed to regulate output current, output voltage, and input voltage. This device has a wide input voltage range of 4.5V to 30V and a wide output voltage range of 0.85V to 20V. The FAN53555BUC23X has a high power efficiency rating of 95% at 10W and is capable of providing up to 100mA of output current.The FAN53555BUC23X DC-DC switching regulator features a synchronous buck topology that is capable of operating at a wide switching frequency range of 700kHz to 2.2MHz. This device features constant frequency current mode control and includes a reference voltage monitor, voltage output error amplifier, current sense amplifier, and an internal soft-start circuit. This device also includes a precision enable control that allows the user to set the output voltage within a 3% accuracy range.The FAN53555BUC23X DC-DC switching regulator is suitable for a wide range of applications including cellular phones, battery-powered toys, USB-powered devices, medical instruments, tablet PCs, and portable audio players. This device is designed to provide high-efficiency and low-noise operation. This device is also designed for system reliability and thermal performance to meet the needs of consumer, industrial and automotive applications.The FAN53555BUC23X DC-DC switching regulator works by providing current from the input voltage source to the output voltage while drawing current from the output voltage to control the output voltage. This is done by an internal switching mechanism that turns the current on and off at a high-pitched frequency. A reference voltage monitor is then used to compare the output voltage versus the reference voltage. If the output voltage is the same as the reference voltage, the regulator operates in continuous conduction mode but if the output voltage is lower than the reference voltage, then it operates in discontinuous conduction mode.The FAN53555BUC23X DC-DC switching regulator also includes a voltage output error amplifier and a current sense amplifier. The voltage output error amplifier compares the output voltage and the feedback reference voltage and adjusts the output voltage accordingly. The current sense amplifier is used to monitor the output current and adjusts the switching frequency accordingly.The FAN53555BUC23X DC-DC switching regulator provides a wide range of features and benefits for improved performance, reliability, and energy efficiency. It offers high power efficiency, low noise operation, a wide input and output voltage range, current mode switch control, dimming, and thermal protection. This device is also designed for system reliability and improved thermal performance.

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