ISL6244 Datasheet, PDF (8/25 Pages) Intersil Corporation – Multi-Phase PWM Controller

ISL6244
Typical Application: 3-Phase Buck Converter with r_DS(ON) Current Sensing
+5V
ISL6244
VSEN
VCC
RGND
PWM4
603
6800nF
12nF
R_{FB 715}
C_C
R_C
2.43K
VDIFF
FB
IOUT
COMP
OFS
R_OFS
2.5K
FS
R_T
107K
ISEN4 NC
PWM1
ISEN1
PWM2
ISEN2
PWM3
VIN
R_ADJ1
90K
R_ADJ2
10K
EN
VID4
VID3
VID2
VID1
VID0
PGOOD
ISEN3
VFF
GND
VCC
+5V
BOOT
0.1µF
UGATE
EN
PHASE
PWM
DRIVER
ISL6207
LGATE
GND
VIN
3x10µF
IRF7811W ^0.56µH
SI4362
R_ISEN1
820PTC
VCC
+5V
BOOT _0.1µF
UGATE
EN
PHASE
DRIVER
ISL6207
PWM
LGATE
GND
VIN
3x10µF
IRF7811W ^0.56µH
SI4362
R_ISEN2
820PTC
V_OUT
6x330µF
low ESR
12x22µF
CERAMIC
VCC
+5V
BOOT _0.1µF
UGATE
EN
PHASE
DRIVER
ISL6207
PWM
LGATE
GND
VIN
3x10µF
IRF7811W ^0.56µH
SI4362
R_ISEN3
820PTC
FIGURE 11. TYPICAL APPLICATION
8
FN9106.3
December 28, 2004