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34844 Datasheet(PDF) 9 Page - Freescale Semiconductor, Inc

Part # 34844
Description  10 Channel LED Backlight Driver with Integrated Power Supply
PDF  37 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

34844 Datasheet(HTML) 9 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
9
34844
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Input High Voltage
VIHI
2.1
-
5.5
V
Input Hysteresis
VHYSI
0.3
-
-
V
Output Low Voltage
Sink Current < 4.0mA
VOLI
-
-
0.4
V
Input Current
IINI
-5.0
-
5.0
μA
Input Capacitance(7)
CINI
-
-
10
ρF
LOGIC INPUTS / OUTPUTS (CK, M/~S, PWM, A0/SEN)
Input Low Voltage
VILL
-0.3
-
0.5
V
Input High Voltage
VIHL
1.5
-
5.5
V
Input Hysteresis
VHYSL
-
0.1
-
V
Input Current
IIIL
-5.0
-
5.0
μA
Output Low Voltage (CK)
ISINK < 2.0mA
VOLL
-
-
0.2
V
Output High Voltage (CK)
ISOURCE < 2.0mA
VOHL
2.2
-
5.5
V
Input Capacitance(7)
CINI
-
-
5.0
ρF
OVER VOLTAGE PROTECTION
Over-voltage Clamp - OVP Register Table:
OVP = Fh
OVPFH
60
62
65
V
OVP = Eh
OVPEH
56
59
62
V
OVP = Dh
OVPDH
52
55
58
V
OVP = Ch
OVPCH
48
51
54
V
OVP = Bh
OVPBH
45
47
49
V
OVP = Ah
OVPAH
41
43
45
V
OVP = 9h
OVP9H
37
39
41
V
OVP = 8h
OVP8H
33
35
37
V
OVP = 7h
OVP7H
29
31
33
V
OVP = 6h
OVP6H
26
27
28
V
OVP = 5h
OVP5H
22
23
24
V
OVP = 4h
OVP4H
18
19
20
V
OVP = 3h
OVP3H
14
15
16
V
OVP = 2h
OVP2H
10
11
12
V
Over-voltage threshold,
Set by Hardware, Voltage at A0/SEN
OVPHW
6.15
6.5
6.85
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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