LM22680-Q1 - Texas Instruments

LM22680-Q1 Step-Down Voltage Regulator

The LM22680 switching regulator provides all of the functions necessary to implement an efficient higholtage step-down (buck) regulator using a minimum of external components. This easy to use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 2 A of load current. Excellent line and load regulation along with high efficiency (> 90%).

Features

1 Features
•1 Wide Input Voltage Range: 4.5 V to 42 V
• Internally Compensated Voltage Mode Control
• Stable with Low ESR Ceramic Capacitors
• 200-mΩ N-Channel MOSFET
• Output Voltage Option: -ADJ (Outputs as Low as 1.285 V)
• ±1.5% Feedback Reference Accuracy
• 500-kHz Default Switching Frequency
• Adjustable Switching Frequency and Synchronization
•
  –40°C to 125°C Operating Junction Temperature Range
• Precision Enable Pin
• Integrated Boot-Strap Diode
• Adjustable Soft-Start
• Fully WEBENCH® Enabled
• LM22680-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (
  –40°C to +1.