VP3478
Description
Features
The VP3478 is a versatile controller designed for
- VP3478MSG8-A/VP3478SPG8-A in MSOP8 use in boost power converter and topologies that package is AEC-Q100 Qualified and Manufac- needs an external low-side N-MOSFET acting as tured on an Automotive Grade Flow primary switch. Besides cycle-by-cycle current
- Wide Input Voltage from 2.97V to 40V limiting, current mode control scheme also makes
- Reference Voltage with ± 2.0% Accuracy it wide bandwidth and good transient response.
- Adjustable 100k Hz~1MHz Clock Frequency
The current limit can be programmed simply with
- 0.8V FB Version : VP3478MSG8 an external resistor.
- 1.26V FB Version : VP3478SPG8
- 10μA Shutdown Current
The switching frequency can be set in any value
- 1A Peak Current Limit Using Internal Driver between 100k Hz and 1MHz with a resistor or any
- Current Mode Operation external clock source. The VP3478 can be operat-
- Internal 12/4 Ω MOSFET ed at high switching frequency to save the...
