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UC1823A,UC1823B/UC1825A,UC1825

消耗积分:5 | 格式:rar | 大小:333 | 2009-05-12

王平

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UC1823A,B/1825A,B:The UC3823A & B and the UC3825A & B family of PWM control ICs are improved versions of the standard UC3823 & UC3825 family. Performance enhancements
have been made to several of the circuit blocks. Error amplifier gain
bandwidth product is 12MHz while input offset voltage is 2mV. Current limit
threshold is guaranteed to a tolerance of 5%. Oscillator discharge current is specified
at 10mA for accurate dead time control. Frequency accuracy is improved
to 6%. Startup supply current, typically 100mA, is ideal for off-line applications.
The output drivers are redesigned to actively sink current during UVLO at no
expense to the startup current specification. In addition each output is capable
of 2A peak currents during transitions.

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