The single output LTC7803, dual output LTC7805, and triple output LTC7819 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.
- • LTC7803: 40 V Low IQ, 3 MHz Synchronous Step-Down Controller with Spread Spectrum
- • LTC7805: 40 V Low IQ, Dual, 2-Phase 100% Duty Cycle Synchronous Step-Down Controller
- • LTC7819: 40 V Low IQ, Triple Output, 3-Phase Synchronous Step-Down Controller
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.
- • The LTC7805 can be evaluated with the DC3138A.
- • The LTC7819 can be evaluated with the DC2897A.
