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ISL6228HRTZ-T View Datasheet(PDF) - Intersil
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Description
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ISL6228HRTZ-T
High-Performance Dual-Output Buck Controller for Notebook Applications
Intersil
ISL6228HRTZ-T Datasheet PDF : 16 Pages
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Block Diagram
VIN2 FB2 VCC2 VCC1 FB1 VIN1
VO2
FSET2
EN2
BOOT2
UGATE2
PHASE2
PWM FREQUENCY
CONTROL
+
+
V
W
−
R
Q
PWM
S
V
R
+
V
COMP
10µA
+
g
m
+
g
m
+
C
R
−
100pF
DRIVER
POR
DIGITAL
SOFT-
START
EA
+
+
OVP
SHOOT THROUGH
PROTECTION
+
UVP
V
REF
V
REF
PWM FREQUENCY
CONTROL
10µA
+
g
m
+
g
m
+
C
R
−
+
V
W
+
−
PWM
R
Q
S
V
R
V
COMP
+
100pF
EA
+
+
OVP
POR
DIGITAL
SOFT-
START
DRIVER
+
UVP
SHOOT THROUGH
PROTECTION
VO1
FSET1
EN1
BOOT1
UGATE1
PHASE1
LGATE2
DRIVER
+
OCP
10µA
10µA
+
OCP
DRIVER
LGATE1
+150°
OT
60
Ω
90
Ω
30
Ω
30
Ω
90
Ω
60
Ω
+150°
OT
PVCC2
PGND2
PGOOD2
PACKAGE
BOTTOM
OCSET2 GND OCSET1
FIGURE 1. SCHEMATIC BLOCK DIAGRAM
PGOOD1
PGND1
PVCC1
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