ISL6523A Intersil Corporation, ISL6523A Datasheet - Page 3

• Manufacturer Part Number: ISL6523A
• Description: VRM8.5 Dual PWM and Dual Linear Power System Controller
• Manufacturer: Intersil Corporation

VTT POWERGOOD
+3.3V
+5V
V
1.2V
V
+12V
V
OUT2
OUT4
+5V
1.5V
1.8V
OUT3
IN
+3.3V
IN
IN
IN
C
C
IN
OUT3
OUT4
V
V
OUT2
OUT3
L
C
IN
OUT2
Q5
L
OUT2
C
3
IN
Q4
Q4
CR2
Q3
FIGURE 2. SIMPLIFIED POWER SYSTEM DIAGRAM
C
Q3
SS24
UGATE2
PHASE2
FIGURE 3. TYPICAL APPLICATION
OCSET2
DRIVE3
DRIVE4
VTTPG
VSEN2
VSEN3
VSEN4
VAUX
SS24
CONTROLLER
CONTROLLER
LINEAR
PWM2
ISL6523A
ISL6523A
ISL6523A
GND
VCC
CONTROLLER
CONTROLLER
LINEAR
PWM1
OCSET1
PGOOD
UGATE1
PHASE1
LGATE1
PGND
VSEN1
SS13
FB1
COMP1
VID3
VID2
VID1
VID0
VID25
C
SS13
Q2
Q1
Q1
Q2
Q5
L
OUT1
C
OUT1
V
OUT4
POWERGOOD
V
OUT1
1.3V to 3.5V
V
OUT1