VP3681
VP3681 is High-Efficiency Boost/SEPIC/Flyback DC/DC Controller manufactured by Viva Electronics.
High-Efficiency Boost/SEPIC/Flyback DC/DC Controller
General Description
Features
The VP3681 is a versatile controller designed for
- Wide Input Voltage from 2.97V to 60V use in Boost, SEPIC and Flyback power converter
- Reference Voltage with ± 3.0% Accuracy and topologies that needs an external low-side N-
- Adjustable 100kHz~1MHz Clock Frequency
MOSFET acting as primary switch. Besides cycle-
- 10μA Shutdown Current by-cycle current limiting, current mode control
- 1A Peak Current Limit Using Internal Driver scheme also makes it wide bandwidth and good
- Current Mode Operation transient response. The current limit can be pro-
- Internal 4/2Ω MOSFET Switch grammed...
