Description

The UCC3570 is a high-performance voltage-mode pulse-width modulator (PWM) controller IC designed for use in offline AC-DC power supplies and isolated converters, particularly in forward topology power conversion. It delivers precise control of the switching waveform and efficient power conversion in compact surface-mount designs.

FEATURES

• Topology: Forward, Buck, Fly back (depending on variant)
• Switching Frequency: ~500 kHz
• Duty Cycle (Max): ~80 %
• Supply Voltage: ~9 V – 15 V
• Startup Voltage: ~13 V
• Operating Temperature: 0 °C to +70 °C
• Mounting: Surface Mount
• Protection: Current limiting fault protection

SPECIFICATION

• Dimension: 8.65 × 3.90 × 1.58 mm
• Additional information
• Gross weight: 0.8 g
• Manufacturer part number: UCC3570