The EL7564 is an integrated, full-featured synchronous stepdown regulator with output voltage adjustable from 1.0V to 3.8V. It is capable of delivering 4A continuous current at up to 95% efficiency. The EL7564 operates at a constant frequency pulse width modulation (PWM) mode, making external synchronization possible. Patented on-chip resistorless current sensing enables current mode control, which provides cycle-by-cycle current limiting, over-current protection, and excellent step load response.

Features
• Integrated synchronous MOSFETs and current mode controller
• 4A continuous output current
• Up to 95% efficiency
• 4.5V to 5.5V input voltage
• Adjustable output from 1V to 3.8V
• Cycle-by-cycle current limit
• Precision reference
• ±0.5% load and line regulation
• Adjustable switching frequency to 1MHz
• Oscillator synchronization possible
• Internal soft start
• Over voltage protection
• Junction temperature indicator
• Over temperature protection
• Under voltage lockout
• Multiple supply start-up tracking
• Power good indicator
• 20-pin SO (0.300”) package
• 28-pin HTSSOP package
• Pb-Free available (RoHS compliant)

Applications
• DSP, CPU core and IO supplies
• Logic/Bus supplies
• Portable equipment
• DC/DC converter modules
• GTL + Bus power supply