UC2842B/3B/4B/5B ® UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER .
TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL .
OSCILLATOR FREQUENCY GUARANTEED AT 250kHz .
CURRENT MODE OPERATION TO 500kHz .
AUTOMATIC FEED FORWARD COMPENSA- TION .
LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING .
INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT .
HIGH CURRENT TOTEM POLE OUTPUT .
UNDERVOLTAGE LOCKOUT WITH HYSTER- ESIS .
LOW START-UP AND OPERATING CURRENT Minidip SO8 comparatorw
UC2845BN Features
* 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-lineapplicationsThecorrespondingthresh- a minimal external parts count. Internally imple- oldsforthe UC3843BandUC3845Bare8.5 V and7.9
UC2842B_STMicroelectronics.pdf
Datasheet Details
UC2845BN, UC2842B
151.27 KB
High-performance pwm controller.
This datasheet PDF includes multiple part numbers: UC2845BN, UC2842B.
Please refer to the document for exact specifications by model.
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