ISL6569 Datasheet, PDF (3/22 Pages) Intersil Corporation – Multi-Phase PWM Controller

Block Diagram
PGOOD
VID4
VID3
VID2
VID1
VID0
DYNAMIC
VID
DAC
UV
e/a
FB
COMP
ISL6569
VCC
EN
FS
1.23V
6V
POR
AND
SOFT START
OSCILLAT0R
AND
SAWTOOTH
+
+
-
+
-
+
OFS
x0.1
100µA
VDIFF
VSEN
RGND
OV
2.2V
90µA
diff
OC
IDROOP
AVERAGE
+
1/2
+
I1
CURRENT
SENSE
I2
PWM1
PWM2
OVP
ISEN1
ISEN2
GND
3
FN9085.7
December 29, 2004