ISL6219A_07 Datasheet, PDF (2/17 Pages) Intersil Corporation – Microprocessor CORE Voltage Regulator Precision Multi-Phase BUCK PWM Controller for Mobile Applications

Block Diagram
ISL6219A
PGOOD
VCC
VSEN
COMP
VID0
VID1
VID2
VID3
VID4
FB
X 0.83
X1.15
+
UV
-
+
OV
-
POWER-ON
RESET (POR)
OV
LATCH
+
∑
-
CLOCK AND
SAWTOOTH
GENERATOR
THREE-STATE
+
PWM
-
SOFT-
START
AND FAULT
LOGIC
+
∑
-
+
PWM
-
DYNAMIC
VID
D/A
+
E/A
-
+
∑
-
+
PWM
-
CURRENT
CORRECTION
PHASE
NUMBER
CHANNEL
DETECTOR
I_TOT
+
+
-
∑
OC
+
+
I_TRIP
FS/EN
PWM1
PWM2
PWM3
ISEN1
ISEN2
ISEN3
GND
2
FN9093.1
March 20, 2007