LM22674-Q1 - Texas Instruments

LM22674-Q1 Step-Down Voltage Regulator

The LM22674 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 500 mA of load current. Excellent line and load regulation along with high efficienc.

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 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
• LM22674-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (
  –40°C to +125°C Operating Junction Temper.