ISL6223 Datasheet, PDF (2/15 Pages) Intersil Corporation – Mobile Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

Block Diagram
VSEN
COMP
DACOUT
VID0
VID1
VID2
VID3
VID4
FB
ISL6223
PGOOD
V_CC
0.9V
2.35V
UV
+
-
OV
LATCH
S
OVP
+
-
POWER-ON
RESET (POR)
CLOCK AND
SAWTOOTH
GENERATOR
THREE
STATE
SOFT-
START
AND FAULT
LOGIC
+
∑
-
PWM
+
-
D/A
E/A
+
-
+
∑
-
I_TOT
CURRENT
CORRECTION
OC
+
-
+
∑
+
I_TRIP
GND
PWM
+
-
FS/DIS
PWM1
PWM2
ISEN1
ISEN2
2