ISL6322_14 Datasheet, PDF (4/41 Pages) Intersil Corporation – Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10, VR11, and AMD Applications

ISL6322
ISL6322 Integrated Driver Block Diagram
DRSEL
PWM
SOFT-START
AND
FAULT LOGIC
GATE
CONTROL
LOGIC
SHOOT-
THROUGH
PROTECTION
PVCC
BOOT
UGATE
20kΩ
10kΩ
PHASE
LGATE
Simplified I²C Bus Architecture
I²C BUS
MASTER
SDA
SCL
+5V +5V
SCL SDA
SLAVE
IC #1
SCL SDA
SLAVE
IC #2
4
SCL SDA
ISL6322
A0
SLAVE ADDRESS:
1000_110x
SCL SDA
+5V
ISL6322
R_SS
A0
SLAVE ADDRESS:
R_SS
1000_111x
NOTE: PIN A0 SELECTS THE SLAVE ADDRESS FOR THE ISL6322
FN6328.2
August 2, 2007