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34844 датащи(PDF) 7 Page - Freescale Semiconductor, Inc

номер детали 34844
подробное описание детали  10 Channel LED Backlight Driver with Integrated Power Supply
PDF  37 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

34844 датащи(HTML) 7 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
7
34844
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Line Regulation (7)
VIN=7.0V to 28V
IOUT/VIN
-0.2
-
0.2
%/V
Load Regulation (7)
VLED = 8.0V to 65V (all Channels)
IOUT/VLED
-0.2
-
0.2
%/V
Slope compensation voltage ramp
RSLOPE = 68KΩ
VSLOPE
-
0.49
-
V/
μs
Current Sense Amplifier Gain
ACSA
-
9.0
-
Current Sense Resistor
RSENSE
-
22
-
m
Ω
OTA Transconductance
GM
-
200
-
μS
Transconductance Sink and Source Current Capability
ISS
-
100
-
μA
Output Voltage Precharge
VHOLD
0.45
0.5
0.55
V
FAIL PIN
Off-state Leakage Current
VFAIL = 5.5V
IFAIL_LEAK
-
-
5
μA
On-state Voltage Drop
ISINK = 4.0mA
VOL
-
-
0.4
V
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions VIN = 12V, VOUT = 42V, ILED = 50mA, PWM = VDC1, M/~S = VDC1,
PIN & NIN = VDC1, -40
°C ≤ TA ≤ 105°C, PGND = 0V, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
Notes
5.
This output is for internal use only and not to be used for other purposes
6.
Minimum and Maximum output voltages are dependent on Min/Max duty cycle condition.
7.
Guaranteed by design



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