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The UC1526A Series are improved-performance pulse-width modulator circuits intended for direct replacement of equivalent non- ?A?
versions in all applications. Higher frequency operation has been
enhanced by several significant improvements including: a more accurate oscillator with less minimum dead time, reduced circuit delays (particularly in current limiting), and an improved output stage
with negligible cross-conduction current. Additional improvements
include the incorporation of a precision, band-gap reference generator, reduced overall supply current, and the addition of thermal
shutdown protection.
Along with these improvements, the UC1526A Series retains the
protective features of under-voltage lockout, soft-start, digital current limiting, double pulse suppression logic, and adjustable
deadtime. For ease of interfacing, all digital control ports are TTL
compatible with active low logic.
Five volt (5V) operation is possible for ?logic level? applications by
connecting VIN, VC and VREF to a precision 5V input supply. Consult
factory for additional information

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