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UC2843B integrated circuit image

UC2843B Datasheet

The UC2843B is a HIGH-PERFORMANCE CONTROLLERS. Download the datasheet PDF and view key features and specifications below.

Part NumberUC2843B
Manufactureronsemi
Overview DATA SHEET High Performance Current Mode Controllers UC3842B, UC3843B, 8 1 PDIP−8 N SUFFIX CASE 626 UC2842B, UC2843B The UC3842B, UC3843B series are high performance fixed frequency. consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, programmable output deadtime, and a latch for single pulse metering. These devices are available in an 8−pin dual−in−line and surface mount (SOIC−8) plastic package as well as the 14−pin pl.
Part NumberUC2843B
DescriptionControllers
ManufacturerAmerican First Semiconductor
Overview UC3842B/3B/4B/5B,UC2842B/3B Package outline The UC3842B/3B/4B/5B, series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc conve. consisting of input and reference undervoltage lockouts each with hysteresis, cycle
  –by
  –cycle current limiting, programmable output deadtime, and a latch for single pulse metering. These devices are available in an 8
  –pin dual
  –in
  –line and surface mount (SO
  –8) plastic package as well as the 14
  –pin plas.
Part NumberUC2843B
DescriptionHIGH-PERFORMANCE CONTROLLER
ManufacturerSTMicroelectronics
Overview under-voltagelockout thresholds and maximum duty TheUC384xB family ofcontrolICs providesthe neccycle ranges. The UC3842B and UC3844B have essary features to implement off-line or DC to DC UVLO thresho. to implement off-line or DC to DC UVLO thresholds of 16V (on) and 10V (off), ideally fixed frequency current mode control schemes www.DataSheet4U.com with suitedoff-lineapplicationsThecorrespondingthresha minimal external parts count. Internally impleoldsforthe UC3843BandUC3845Bare8.5 V and7.9 mente.
Part NumberUC2843B
DescriptionHIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
ManufacturerUnisonic Technologies
Overview The UTC UC2843B provides off-line or DC-DC fixed-frequency current-mode control design with minimum external components. Internally-implemented circuits include an under-voltage lockout (UVLO) and a p. * Current mode operation:500 kHz * Low start-up current value<0.5mA * Latching PWM for cycle-by-cycle current limiting * Trimmed oscillator discharge current * Automatic feed-forward compensation * Internally trimmed reference with UVLO * High-current totem-pole output UVLO with hysteresis * Double.

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