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PM6600 Datasheet(PDF) 22 Page - STMicroelectronics

Part # PM6600
Description  6-row 32 mA LED driver with boost regulator for LCD panel backlight
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6600 Datasheet(HTML) 22 Page - STMicroelectronics

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Block diagram
PM6600
22/43
6
Block diagram
Figure 42.
Simplified block diagram
_
+
LDO5
BILIM
COMP
SYNC
FSW
RILIM
EN
FAULT
ROW4
PGND
LX
ROW6
DIM
VIN
ROW1
SLOPE
AVCC
ROW3
CONTROL
LOGIC
ROW2
+
_
Thermal
Shutdown
ROW5
OVSEL
+
_
SGND
Ext Sync
Detector
OSC
OVP
Boost_EN
1.2V
8.2V
Boost_EN
0.4V
Min Voltage
Selector
UVLO
UVLO
Detector
+5V
LDO
Ramp
Generator
Current Sense
1.143V
1.235V
Soft Start
FRD
OVP
FRD
CTRL1
CTRL6
VROW1
VROW2
VROW5
VROW4
VROW3
VROW6
CTRL2
VTH,FLT
CTRL5
CTRL3
CTRL4
CTRL2
UVLO
CTRL3
CTRL4
CTRL5
CTRL6
Current
Generator 2
Current
Generator 3
Current
Generator 4
Current
Generator 5
Current
Generator 6
Current
Generator 1
Current Limit
+
+
LOGIC
Boost
Control
Logic
ZCD
+
_
gm
+
_
I to V
I to V
SS
MODE
÷2
Prot_EN
Prot_EN



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