UC3844A controller equivalent, high performance current mode pwm controller.
Figure 1. Package
* TRIMMED OSCILLATOR DISCHARGE
CURRENT
* CURRENT MODE OPERATION TO 500kHz
AUTOMATIC FEED FORWARD COMPENSATION
DIP-8
SO-8
* LATCHING .
The corresponding thresholds for the UC3843A and UC3845A are 8.5 V and 7.9V. The UC3842A and UC3843A can operate to duty.
PThe UC384xA family of control ICs provides the
necessary features to implement off-line or DC to
teDC fixed frequency current mode control schemes lewith a minimal external parts count. Internally imoplemented circuits include a trimmed oscillator f.
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