ISL78220
ISL78220 is 6-Phase Interleaved Boost PWM Controller manufactured by Renesas.
Features
- Peak current mode PWM control with adjustable slope pensation
- Precision resistor/DCR current sensing
- 2-, 3-, 4- or 6-phase operation
- Adjustable phase dropping/diode emulation/pulse skipping for high efficiency at light load
- Phase dropping facilitated with panion FET driver
ISL78420 (featuring tri-level input control)
- Adjustable switching frequency or external synchronization from 75k Hz up to 1MHz per phase
- Over-temperature/overvoltage protection
- 2V ±1.0% internal reference
- Pb-free, 44 Ld 10x10 EP-TQFP package (Ro HS pliant)
- -40°C to +125°C operating temperature range
- AEC-Q100 qualified
Applications
- Automotive power supplies
- Start/stop DC/DC converter
- Electronic power steering systems (EPAS)
- Fuel pumps
- Injection system
- Audio trunk amplifier power supplies
- Tele and industrial power supplies
Related Literature
- AN1726, “ISL78220EVAL1Z: 6-Phase Interleaved Synchronous Boost Converter”
EFFICIENCY (%)
0.98 WITH PHASE DROPPING
WITHOUT PHASE DROPPING
6V INPUT, 12V OUTPUT
SYNCHRONOUS BOOST
0.88...
