LM2679S-3.3 5-A Step-Down Voltage Regulator

LM2679S-3.3 5-A Step-Down Voltage Regulator

The LM2679 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 5-A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a .

Features

•1 Efficiency Up to 92%
• Simple and Easy to Design Using Off-The-Shelf External Components
• Resistor Programmable Peak Current Limit Over a Range of 3 A to 7 A
• 120-mΩ DMOS Output Switch
• 3.3-V, 5-V, 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
• ±2% Maximum Output Tolerance Over Full Line and Load Conditions
• Wide Input Voltage Range: 8 V to 40 V
• 260-kHz Fixed Frequency Internal Oscillator
• Soft-Start Capability
• −40 to 125°C Operating Junction Temperature Range 2 Applications
• Simple-to-Design, High Efficiency (>90%) Step-Down Switching Regulators
• Efficient System Pr.