• Part: UC2856Q
  • Description: IMPROVED CURRENT MODE PWM CONTROLLER
  • Manufacturer: Texas Instruments
  • Size: 1.31 MB
Download UC2856Q Datasheet PDF
Texas Instruments
UC2856Q
FEATURES - Pin-for-Pin patible With the UC2846 - 65-ns Typical Delay From Shutdown to Outputs and 50-ns Typical Delay From Sync to Outputs - Improved Current Sense Amplifier With Reduced Noise Sensitivity - Differential Current Sense With 3-V mon Mode Range - Trimmed Oscillator Discharge Current for Accurate Deadband Control - Accurate 1-V Shutdown Threshold - High Current Dual Totem Pole Outputs (1.5-A peak) - TTL patible Oscillator SYNC Pin Thresholds - 4-k V ESD Protection CL SS VREF CS- CS+ EA+ EA- P DW PACKAGE (TOP VIEW) 1 16 2 15 3 14 4 13 5 12 6 11 7 10 89 SHUTDOWN VIN BOUT VC GND AOUT SYNC RT P0008-01 DESCRIPTION The UC2856 is a high performance version of the popular UC2846 series of current mode controllers, and is intended for both design upgrades and new applications where speed and accuracy are important. All input to output delays have been minimized, and the current sense output is slew rate limited to reduce noise sensitivity. Fast 1.5-A peak output stages have...