UC2875 FEATURES

• Zero to 100% Duty Cycle Control

• Programmable Output Turn-On Delay

• Compatible with Voltage or Current Mode Topologies

• Practical Operation at Switching Frequencies to 1MHz

• Four 2A Totem Pole Outputs

• 10MHz Error Amplifier

• Undervoltage Lockout

• Low Startup Current –150μA

• Outputs Active Low During UVLO

• Soft-Start Control

• Latched Over-Current Comparator With Full Cycle Restart

• Trimmed Reference

UC2875 DESCRIPTION

The UC2875 family of integrated circuits implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect to the other, allowing constant frequency pulse-width modulation in combination with resonant, zero-voltage switching for high efficiency performance at high frequencies. This family of circuits may be configured to provide control in either voltage or current mode operation, with a separate over-current shutdown for fast fault protection

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