LM22679-Q1 - Texas Instruments

LM22679-Q1 Step-Down Voltage Regulator

The LM22679 switching regulator provides all of the functions necessary to implement an efficient highvoltage 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 5 A of load current. Excellent line and load regulation along with high efficiency VIN .

Features

• New product available: LM61460 3-V to 36-V, 6-A low EMI synchronous converter
• Wide input voltage range: 4.5 V to 42 V
• Internally compensated voltage mode control
• Stable with low-ESR ceramic capacitors
• 100-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
• Adjustable soft start
• Adjustable current limit
• Integrated bootstrap diode
• Fully WEBENCH® enabled
• LM22679-Q1 is AEC-Q100 qualified and manufacture.