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零件编号
产品描述 (功能)
ISL97650 查看數據表(PDF) - Intersil
零件编号
产品描述 (功能)
比赛名单
ISL97650
4-Channel Integrated LCD Supply
Intersil
ISL97650 Datasheet PDF : 20 Pages
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Block Diagram
ISL97650
V
REF
CM1
FBB
GM AMPLIFIER
-
+
V
REF
UVLO COMPARATOR
-
+
VDC1
0.75 V
REF
1.2MHz
OSCILLATOR
SAWTOOTH
GENERATOR
SLOPE
COMPENSATION
∑
CONTROL
LOGIC
BUFFER
CURRENT
AMPLIFIER
LX1
LX2
R
SENSE
PGND1
PGND2
V
IN1
, V
IN2
EN
CDEL
ENL
DELB
REGULATOR
REFERENCE BIAS
AND
SEQUENCE CONTROLLER
CURRENT LIMIT
COMPARATOR
CURRENT LIMIT
THRESHOLD
V
IN2
V
SUP
N
OUT
FBN
-
+
0.2V
UVLO COMPARATOR
-
+
0.4V
0.75 V
REF
-
+
FBP
-
+
V
REF
REGULATOR
VDC2
CB
CURRENT
LIMIT
COMPARATOR
BUFFER
CURRENT AMPLIFIER
-
+
CURRENT LIMIT
THRESHOLD
CONTROL
LOGIC
GM AMPLIFIER
-
∑
+
SLOPE
V
REF
COMPENSATION
SAWTOOTH
GENERATOR
UVLO
COMPARATOR
-
+
0.75 V
REF
SUP
LXL
CM2
FBL
P
OUT
SUP
C1-
C1+ P
OUT
C2+ C2-
DRIV
CTL
COM
9
FN9198.4
April 17, 2009
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