ISL78225 Datasheet, PDF (5/21 Pages) Intersil Corporation – 4-Phase Interleaved Boost PWM Controller with Light Load Efficiency Enhancement

Typical Application 1: 4-Phase Synchronous Boost Converter with Sense Resistor Current
Sensing
VIN
+
VOUT_SEN
VCC
EN
UGATE
PHASE
DRIVER
PWM
PWM1
LGATE
FS
SS
COMP
FB
VCC
VREF2
GND
SLOPE
PLL_COMP
SYNC
CLK_OUT
PWM_INV
PWM_TRI
ISL78225
VIN
NC
NC
ISEN4P
ISEN4N
ISEN2P
ISEN2N
NC
NC
ISEN3P
ISEN3N
ISEN1P
ISEN4P
ISEN4N
ISEN2P
ISEN2N
ISEN3P
ISEN3N
EN
ISEN2P
ISEN2N
PWM2
EN
ISEN3P
ISEN3N
PWM3
EN
ISEN4P
ISEN4N
PWM4
VCC
ISEN1P
ISEN1N
Note: Please see ISL78420 for an Automotive Qualified 100V synchronous boost driver.
Phase 1
Phase 2
Phase 3
Phase 4
VOUT
LOAD
+