ISL6595 Datasheet, PDF (4/22 Pages) Intersil Corporation – Digital Multiphase Controller

Typical VRD Application
+12V
+5V
+3.3V
FROM µP
TO µP
FAULT
OUTPUTS
I²C I/F
VDD
V12_SEN
ISL6595
GND
VID7
PWM1
VID6
ISEN1+
VID5
ISEN1-
VID4
PWM2
VID3
ISEN2+
VID2
ISEN2-
VID1
PWM3
VID0
ISEN3+
VID_SEL ISEN3-
LL1
PWM4
LL0
ISEN4+
OUTEN
ISEN4-
PWM5
VR_READY ISEN5+
ISEN5-
FAULT1
PWM6
FAULT2
ISEN6+
ISEN6-
SDA TEMP_SEN
SCL CAL_CUR_EN
SADDR CAL_CUR_SEN
VSENP
VSENN
ISL6595
ISL6594A
1 UGATE PHASE 8
2 BOOT PVCC 7
3 PWM VCC 6
4 G4N.7DmF LGATE 5
ISL6594A
1 UGATE PHASE 8
2 BOOT PVCC 7
3 PWM VCC 6
4 G4N.7DmF LGATE 5
ISL6594A
1 UGATE PHASE 8
2 BOOT PVCC 7
3 PWM VCC 6
4 G4N.7DmF LGATE 5
ISL6594A
1 UGATE PHASE 8
2 BOOT PVCC 7
3 PWM VCC 6
4 G4N.7DmF LGATE 5
RTHERM
FIGURE 2. 4-PHASE VRD DESIGN
VOUT
RTN
4
FN9192.2
December 4, 2008