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PM6600 Datasheet(PDF) 10 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) 10 Page - STMicroelectronics

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Electrical characteristics
PM6600
10/43
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
Boost section
ton,min
Minimum switching
on time
200
ns
Default switching frequency
FSW connected to AVCC
570
660
750
kHz
Minimum FSW
Sync frequency
210
FSW Sync
Input low level threshold
240
mV
FSW Sync
Input hysteresis
60
FSW Sync
Min ON time
270
ns
SYNC output
Duty-Cycle
FSW connected to AVCC
(Internal Oscillator
Selected)
34
40
%
SYNC output
High Level
ISYNC = 10 uA
VAVCC
-20
mV
SYNC output
Low Level
ISYNC = -10 uA
20
Power switch
KB
LX current coefficient
RBILIM = 300 kΩ
5.7e5
6.7e5
7.7e5
V
Internal MOSFET RDSon
280
500
m
Ω
OV protections
VTH,OVP
Over-voltage protection reference
(OVSEL) threshold
1.190
1.235
1.280
V
VTH,FRD
Floating ROWs detection
(OVSEL) threshold
1.100
1.145
1.190
∆VOVP,FRD
Voltage gap between the OVP
and FRD thresholds
90
mV
Table 6.
Electrical characteristics (continued)



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