ISL6522CRZ ISL6522IR ISL6522IV data***

ISL6522CRZ data*** and pdf http://www.chinaicmart.com/series-ISL/ISL6522CRZ.html

available IC model ISL6522CB-T ISL6522CBZ ISL6522CR-T ISL6522CRZ-T
ISL6522CVZ ISL6522IB ISL6522IR ISL6522IV

Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller

The ISL6522 provides complete control and protection for a DC-DC
converter optimized for high-performance microprocessor applications.
It is designed to drive two N-Channel MOSFETs in a synchronous
rectified buck topology. The ISL6522 integrates all of the control,
output adjustment,
monitoring and protection functions into a single package.
The output voltage of the converter can be precisely regulated to as
low as 0.8V, with a maximum tolerance of ±1% over temperature and line
voltage variations. The ISL6522 provides simple, single feedback loop,
voltagemode control with fast transient response. It includes a 200kHz
free-running triangle-wave oscillator that is adjustable from below
50kHz to over 1MHz. The error amplifier features a 15MHz gain-
bandwidth product and 6V/μs slew rate which enables high converter
bandwidth for fast transient performance. The resulting PWM duty ratio
ranges from 0-100%.
The ISL6522 protects against overcurrent conditions by inhibiting PWM
operation. The ISL6522 monitors the current by using the rDS(ON) of
the upper MOSFET which eliminates the need for a current sensing
resistor.
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