FAN53611AUC123X

Voltage - Input (Max):	5.5V
Supplier Device Package:	6-WLCSP
Package / Case:	6-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	6MHz
Current - Output:	1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.233V
Series:	--
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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FAN53611AUC123X is a two-phase DC/DC converter with integrated Power Management IC (PMIC). It is designed specifically for automotive applications where high efficiency, robust design and current integration are important considerations. This device offers an optimized solution for isolated point-of-load applications. The FAN53611AUC123X can be used in a variety of automotive applications such as powertrain systems, vehicle lighting, infotainment systems, and more. The FAN53611AUC123X integrates an N-channel MOSFET drivers, an integrated control loop and an input voltage supervisor to provide a high performance, low power DC/DC solution. A high side gate driver and a low side gate driver are provided to control the two output voltage channels of the device independently. A microprocessor-based control loop digitally adjusts and maintains the output voltage, which helps to ensure consistent and reliable performance even under the most extreme conditions.The FAN53611AUC123X provides a wide input voltage range, from 4.5V to 18V and also features a low quiescent current of 94 µA. It also has an adjustable output voltage embedded in its integrated control loop, from 0.9V to 6V, a maximum switch current of 60A, accurate current sense, adjustable over-current and over-temperature protection, and a low output voltage ripple of 10mV.The working principle of the FAN53611AUC123X lies in its two-phase switched mode power supply. The two-phase architecture uses two devices, each driven by its own on-chip MOSFET driver, to boost the input voltage to the desired output voltage. The device also detects the current flowing through the power MOSFETs and feedback into the control loop to provide a more precise regulation.In addition, the FAN53611AUC123X supports several safety and fault detection features, such as under-voltage lockout, adjustable over-current protection, and adjustable over-temperature protection. This helps ensure a robust design for the most demanding automotive applications.Overall, the FAN53611AUC123X is a power management integrated circuit that is optimized for automotive applications. It features a wide input voltage range, adjustable output voltage, low quiescent current, high switch current, low output voltage ripple, and fault/safety detection features, making it a great choice for designers looking for a reliable, efficient power solution that meets the most stringent automotive requirements.

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