UC2845BN controller equivalent, high-performance pwm controller.
to implement off-line or DC to DC UVLO thresholds of 16V (on) and 10V (off), ideally
fixed frequency current mode control schemes wwwwit.DhataSheet4Us.cuomitedoff-lineap.
hecorrespondingthresh-
a minimal external parts count. Internally imple- oldsforthe UC3843BandUC3845Bare8.5 V and7.9
m.
Differences between members of this family are the under-voltagelockout thresholds and maximum duty
TheUC384xB family ofcontrolICs providesthe nec- cycle ranges. The UC3842B and UC3844B have
essary features to implement off-line or DC to DC UVLO t.
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