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ISL6310_06 Datasheet, PDF (3/27 Pages) Intersil Corporation – Two-Phase Buck PWM Controller with High Current Integrated MOSFET Drivers | |||
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Block Diagram
ICOMP DROOP OCSET
ISL6310
PGOOD OVP
ISUM
IREF
ISEN AMP
100µA
OC
RGND
VSEN
VDIFF
x1
x1
UVP
OVP
OVP
+150mV
x 0.82
+1V
SOFT-START
AND
FAULT LOGIC
0.2V
CLOCK AND
SAWTOOTH
GENERATOR
â
PWM1
REF1
REF0
DAC
DAC
â
PWM2
REF
FB
COMP
OFST
OFFSET
CHANNEL
1
E/A
CURRENT
N
BALANCE
â
CHANNEL
CURRENT
SENSE
ISEN1
ISEN2
ENLL
0.66V
POWER-ON
RESET
GATE
CONTROL
LOGIC
SHOOT-
THROUGH
PROTECTION
GATE
CONTROL
LOGIC
SHOOT-
THROUGH
PROTECTION
PHASE 2
DETECT
GND
3
VCC
PVCC
BOOT1
UGATE1
PHASE1
LGATE1
FS
BOOT2
UGATE2
PHASE2
LGATE2
2PH
FN9209.3
December 12, 2006
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