UC2827-1, UC2827-2
UC3827-1, UC3827-2
SLUS365D – APRIL 1999 – REVISED APRIL 2011 www.ti.com BUCK CURRENT/VOLTAGE FED PUSH-PULL
PWM CONTROLLERS
Check for Samples: UC2827-1, UC2827-2, UC3827-1, UC3827-2 FEATURES 1 DESCRIPTION Ideal for Multiple Output and/or High
Voltage Output Voltage Converters
Up to 500 kHz Operation
High Voltage, High Current Floating
Driver for Buck Converter Stage
UC3827-1 Current Fed Controller has
Push-Pull Drivers with Overlapping
Conduction Periods
UC3827-2 Voltage Fed Controller has
Push-Pull Drivers with Nonoverlapping
Conduction Periods
Average Current Mode, Peak Current
Mode or Voltage Mode with Input
Voltage Feedforward Control for Buck
Power Stage
Wide Bandwidth, Low Offset,
Differential Current Sense Amplifier
Precise Short Circuit Current Control The UC3827 family of controller devices provides an
integrated control solution for cascaded buck and …
