Analog DevicesLTC7803JUD#WPBFDC to DC Controllers

LTC7803: 40 V, Low IQ Synchronous Step-Down Controller

The single output LTC7803 showcase the latest technology in switching regulator step-down DC/DC controllers. All products feature up to 3 MHz operating switching frequency and very low IQ, along with PassThru/100% duty cycle capability and spread spectrum frequency modulation.

40 V Low IQ, 3 MHz Synchronous Step-Down Controller with Spread Spectrum

Key Features and Benefits

• PassThru/100% duty cycle capability allows output voltages to stay in regulation longer when powered from a discharging battery
• Very low IQ increases battery run-time during standby mode
• High power onboard gate drives drive external MOSFETs with low switching loss for increased efficiency

Applications

• Automotive: Auto connect and Sensing
• Industrial Automation: Connected motion and robotics
• Instrumentation and Measurement: ATE
• Aerospace and Defense: Radar

Evaluation Board

• The LTC7803 can be evaluated with the DC2834A.

Block Diagrams and Tables