ISL8225M
Typical Application Circuits(Continued)
1.5V/60A
4.5V TO 20V
MASTER PHASE
VIN
VOUT1
VIN1
VIN2
VOUT1
R1
+
CIN1
2x470µF
CIN2
VSEN1+
4x22µF
R2
665Ω
1kΩ
COUT1
4x100µF
R4*
EN/FF1
VSEN1-
VOUT2
SLAVE
VCC1
EN/FF2
VCC
VCC1
*SEE TABLE 1 ON
PAGE 17 FOR R3/R4
VALUES.
R3*
VSEN2+
C1
4.7µF
CLKOUT
VSEN2-
ISL8225M
MODE
VMON1
VMON2
VCC
ISHARE
R8
1kΩ
SYNC
PHASE1
R5
3.3kΩ
COMP1
COMP2
PHASE2
PGOOD
PGOOD
C3
470pF
SLAVE
VIN1
VOUT1
VIN2
VSEN1+
CIN2
4x22µF
COUT2
4x100µF
VCC2
EN/FF1
EN/FF2
VSEN1-
VOUT2
SLAVE
VCC2
VCC
VSEN2+
CLKOUT
MODE
VSEN2-
VMON1
C2
4.7µF
ISL8225M
R6
1kΩ
R7
665Ω
ISHARE
VMON2
R9
1kΩ
SYNC
PHASE1
PHASE2
COMP1
COMP2
PGOOD
C4
470pF
C5
470pF
FIGURE 22. 4-PHASE PARALLELED AT 1.5V/60A WITH 90° INTERLEAVING
FN7822.1
January 31, 2013
14
INTERSIL [ Intersil ]
