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ISL6333 데이터 시트보기 (PDF) - Intersil
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ISL6333
4-Phase Buck PWM Controller
Intersil
ISL6333 Datasheet PDF : 40 Pages
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ISL6333, ISL6333A, ISL6333B, ISL6333C
Block Diagram - ISL6333
VSEN
RGND
VDIFF
APA
OPEN SENSE
LINE PREVENTION
x1
UNDERVOLTAGE
DETECTION
LOGIC
OVERVOLTAGE
DETECTION
LOGIC
I_AVG
I_TRIP
OCP
VR_RDY SS
SOFT-START
AND
FAULT LOGIC
ADAPTIVE PHASE
ALLIGNMENT
CIRCUITRY
EN
0.85V
POWER-ON
RESET
SS
LDO
LOW POWER
STATE
CIRCUITRY
MOSFET
DRIVER
FS
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
DVC
REF
FB
COMP
OFS
IDROOP
IMON
DYNAMIC
VID
D/A
x2
OFFSET
1k
Ω
E/A
I_AVG
V
OCP
OCP
OCP
RGND
CLOCK AND
MODULATOR
WAVEFORM
GENERATOR
APP AND APA
PWM1
MODULATOR
APP AND APA PWM2
MODULATOR
APP AND APA
PWM3
MODULATOR
I_AVG
1
N
CHANNEL
CURRENT
BALANCE
AND
CURRENT
LIMIT
∑
+
++
GND
MOSFET
DRIVER
MOSFET
DRIVER
CHANNEL
DETECT
CH3
CURRENT
SENSE
R
ISEN3
CH2
CURRENT
SENSE
R
ISEN2
CH1
CURRENT
SENSE
R
ISEN1
VCC
PVCC1
PVCC2_3
PUVCC
BYP1
PSI#
BOOT1
UGATE1
PHASE1
LGATE1
BOOT2
UGATE2
PHASE2
LGATE2
BOOT3
UGATE3
PHASE3
LGATE3
ISEN3-
ISEN3+
ISEN2-
ISEN2+
RSET
ISEN1+
ISEN1-
6
FN6520.3
October 8, 2010
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