ISL8102 Intersil Corporation, ISL8102 Datasheet - Page 3

• Manufacturer Part Number: ISL8102
• Description: Two-Phase Buck PWM Controller
• Manufacturer: Intersil Corporation

Block Diagram
COMP
RGND
VDIFF
VSEN
OFST
REF1
REF0
ISUM
IREF
DAC
REF
FB
ISEN AMP
OFFSET
DAC
x1
+150mV
x 0.82
ICOMP
UVP
OVP
OVP
x1
3
DROOP
E/A
+1V
OCSET
ISEN1
100µA
OC
∑
CHANNEL
BALANCE
CURRENT
CHANNEL
CURRENT
FAULT LOGIC
SOFT-START
∑
SENSE
GENERATOR
CLOCK AND
SAWTOOTH
AND
0.2V
PGOOD
ISL8102
ISEN2
PWM2
PWM1
OVP
1
N
∑
CONTROL
CONTROL
LOGIC
LOGIC
GATE
GATE
0.66V
PHASE 2
DETECT
ENLL
PROTECTION
PROTECTION
THROUGH
THROUGH
POWER-ON
SHOOT-
SHOOT-
RESET
GND
October 19, 2005
VCC
PVCC
BOOT1
UGATE1
PHASE1
LGATE1
FS
BOOT2
UGATE2
PHASE2
LGATE2
2PH
FN9247.0