LM34919 Ultra-Small 40-V 600-mA Constant On-Time Buck Switching Regulator

LM34919 Ultra-Small 40-V 600-mA Constant On-Time Buck Switching Regulator

The LM34919 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient, buck bias regulator capable of supplying 0.6A to the load. This buck regulator contains an N-Channel Buck Switch, and is available in a 10-pin DSBGA package. The constant on-time feedba.

Features

1
•2 Integrated N-Channel buck switch
• Integrated start-up regulator
• Input Voltage Range: 8V to 40V
• No loop compensation required
• Ultra-Fast transient response
• Operating frequency remains constant with load current and input voltage
• Maximum switching frequency: 2.0 MHz
• Maximum Duty Cycle Limited During Start-Up
• Adjustable output voltage
• Valley Current Limit At 0.64A
• Precision internal reference
• Low bias current
• Highly efficient operation
• Thermal shutdown
• 10-Pin DSBGA Package APPLICATIONS
• High Efficiency Point-Of-Load (POL) Regulator
• Non-Isolated Telecommunicatio.