application INFO available
Bi
CMOS Advanced Phase Shift PWM Controller
UCC1895 UCC2895 UCC3895
FEATURES • Programmable Output Turn-on Delay
• Adaptive Delay Set
• Bidirectional Oscillator Synchronization
• Capability for
Voltage Mode or Current Mode Control
• Programmable Soft Start/Soft Stop and Chip Disable via a Single Pin
• 0% to 100% Duty Cycle Control
• 7MHz Error Amplifier
• Operation to 1MHz
• Low Active Current Consumption (5mA Typical @ 500kHz)
• Very Low Current Consumption During Under
voltage Lock-out (150µA typical)
DESCRIPTION
The UCC3895 is a phase shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge wit...