
International Rectifier
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