ISL6552 Intersil Corporation, ISL6552 Datasheet - Page 5

• Manufacturer Part Number: ISL6552
• Description: Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
• Manufacturer: Intersil Corporation

ISEN1, ISEN2, ISEN3 and ISEN4
Current sense inputs from the individual converter channel’s
phase nodes. Unused sense lines MUST be left open.
Typical Application - 2 Phase Converter Using HIP6601 Gate Drivers
VSEN
PGOOD
VID3
VID2
VID1
VID0
VID25mV
FS/DIS
FB
GND
CONTROL
ISL6552
MAIN
COMP
PWM4
PWM3
PWM2
PWM1
ISEN4
ISEN3
ISEN2
ISEN1
VCC
5
+5V
NC
NC
+12V
+12V
VCC
PWM
VCC
PWM
PVCC
PVCC
DRIVER
DRIVER
HIP6601
HIP6601
ISL6552
BOOT
BOOT
UGATE
PHASE
LGATE
GND
UGATE
PHASE
LGATE
GND
PGOOD
Power good. This pin provides a logic-high signal when the
microprocessor CORE voltage (VSEN pin) is within specified
limits and Soft-Start has timed out.
VCC
Bias supply. Connect this pin to a 5V supply.
V
V
IN
IN
= +5V
= +5V
+V
CORE