UC3843B
Description
TheUC384xB family ofcontrolICs providesthe necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count.
Key Features
- to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count
- The outputstage, suitable for driving N-Channel MOSFETs, is low in the offstate
- Differences between members of this family are the under-voltagelockout thresholds and maximum duty cycle ranges
- The UC3842B and UC3843B can operate to duty cycles approaching 100%
- Vi 7 34V GROUND 5 UVLO S/R 5V REF INTERNAL BIAS VREF GOOD LOGIC RT/CT 4 OSC ERROR AMP
- UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
Representative UC3843B image (package may vary by manufacturer)
