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BUY FAN3224T https://www.utsource.net/itm/p/6436870.html
The FAN3223-25 family of dual 4A gate drivers is designed to drive N-channel enhancement-mode MOSFETs in low-side switching applications by providing high peak current pulses during the short switching intervals. The driver is available with either TTL or CMOS input thresholds. Internal circuitry provides an under-voltage lockout function by holding the output LOW until the supply voltage is within the operating range. In addition, the drivers feature matched internal propagation delays between A and B channels for applications requiring dual gate drives with critical timing, such as synchronous rectifiers. This also enables connecting two drivers in parallel to effectively double the current capability driving a single MOSFETS. The FAN322X drivers incorporate MillerDrive? architecture for the final output stage. This bipolar-MOSFET combination provides high current during the Miller plateau stage of the MOSFET turn-on / turn-off process to minimize switching loss, while providing rail-to-rail voltage swing and reverse current capability. The FAN3223 offers two inverting drivers and the FAN3224 offers two non-inverting drivers. Each device has dual independent enable pins that default to ON if not connected. In the FAN3225, each channel has dual inputs of opposite polarity, which allows configuration as non-inverting or inverting with an optional enable function using the second input. If one or both inputs are left unconnected, internal resistors bias the inputs such that the output is pulled LOW to hold the power MOSFET OFF.
The FAN3224T is a high-efficiency, low-noise, low-cost, synchronous buck regulator with integrated MOSFETs from Fairchild Semiconductor. It is designed to provide a regulated output voltage from a wide input voltage range. The device operates from an input voltage range of 4.5V to 14V and provides an adjustable output voltage from 0.8V to 5.5V. The FAN3224T features a high efficiency of up to 95%, low noise operation, and a wide operating temperature range of -40°C to +125°C. It also features over-current protection, over-temperature protection, and short-circuit protection. The device is available in a small QFN package. The FAN3224T is suitable for a wide range of applications such as automotive, industrial, and consumer electronics. It can be used for powering microprocessors, FPGAs, ASICs, and other digital ICs. (For reference only)