DESCRIPTION

The IR3094 Control IC provides a full featured, cost effective, single chip solution to offers a compact, efficient solution for high current POL converters. Control and 3 Phase Gate Drive functions are integrated into a single space-saving IC.

FEATURES

• 0.85V Reference Voltage

• 3A GATELX Pull Down Drive Capability

• Programmable 100KHz to 540KHz oscillator

• Programmable Voltage Positioning (can be disabled)

• Programmable Softstart

• Programmable Hiccup Over-Current Protection with Delay to prevent false triggering

• Simplified Powergood provides indication of proper operation and avoids false triggering

• Operates up to 16V converter input with 7.5V Under-Voltage Lockout

• 4.36V Under-Voltage Lockout threshold for gate driver voltage

• Adjustable Voltage, 150mA Bias Regulator provides MOSFET Drive Voltage

• Enable Input

• OVP Flag Output detects high side fet short at powerup

• Separate OVP sense line to sense the output voltage and latched OVP with protection

• Inductor DCR sensing for current sensing will support up to 5.1V output applications

• Available 48L MLPQ package