UC2842BN Overview
Description
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 thresholds of 16V (on) and 10V (off), ideally fixed frequency current mode control schemes -lineapplicationsThecorrespondingthresh- a minimal external parts count.
Key Features
- Internally imple- oldsforthe UC3843BandUC3845Bare8.5 V and7.9 mented circuits include a trimmed oscillator for pre- V
- The UC3842B and UC3843B can operate to duty cise DUTY CYCLE CONTROL under voltage lock- cycles approaching 100%
