LM22676-Q1 - Texas Instruments

LM22676-Q1 Step-Down Voltage Regulator

The LM22676 switching regulator provides all of the functions necessary to implement an efficient high voltage step-down (buck) regulator using a minimum of external components. This easy to use regulator incorporates a 42 V N-channel MOSFET switch capable of providing up to 3 A of load current. Excellent line and load regulation along with high efficiency (.

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
• 120 mΩ N-Channel MOSFET PFM Package
• 100 mΩ N-Channel MOSFET PSOP-8 Package
• Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
• ±1.5% Feedback Reference Accuracy
• Switching Frequency of 500 kHz
•
  –40°C to 125°C Operating Junction Temperature Range
• Precision Enable Pin
• Integrated Boot-Strap Diode
• Integrated Soft-Start
• Fully WEBENCH® Enabled
• LM22676Q is an Automotive Grade Product that is AEC-Q100 Grade 1 Q.