isl6228 Intersil Corporation, isl6228 Datasheet - Page 2

• Manufacturer Part Number: isl6228
• Description: High-performance Dual-output Buck Controller For Notebook Applications
• Manufacturer: Intersil Corporation

Block Diagram
UGATE2
PHASE2
LGATE2
BOOT2
FSET2
VO2
EN2
PVCC2
R
Q
S
SHOOT THROUGH
PWM
PROTECTION
−
+
−
+
PGND2
DRIVER
DRIVER
V
COMP
V
R
PWM FREQUENCY
V
CONTROL
+
−
W
+150°
OT
PGOOD2
+
−
DIGITAL
SOFT-
START
POR
60Ω
C
R
g
g
m
m
+
−
+
−
90Ω
10µA
100pF
FIGURE 1. SCHEMATIC BLOCK DIAGRAM
OVP −
OCP −
UVP −
VIN2
30Ω
EA
−
+
+
+
+
OCSET2
FB2
PACKAGE
BOTTOM
10µA
VCC2
V
REF
GND
VCC1
V
10µA
REF
OCSET1
FB1
−
+
+
−
+
−
+
−
VIN1
30Ω
EA
OVP
UVP
OCP
100pF
10µA
90Ω
g
g
−
+
−
+
m
m
DIGITAL
START
SOFT-
C
POR
60Ω
R
PGOOD1
PWM FREQUENCY
+
−
CONTROL
+150°
OT
V
+
−
W
SHOOT
V
DRIVER
PROTECTION
DRIVER
V
PGND1
COMP
R
THROUGH
−
+
−
+
PWM
PVCC1
R
Q
S
VO1
FSET1
EN1
BOOT1
UGATE1
PHASE1
LGATE1