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LD1048 Datasheet(PDF) 8 Page - LDT Co., Ltd

Part No. LD1048
Description  48 Channel Output LED DRIVER
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Maker  LDT [LDT Co., Ltd]
Homepage  http://www.ldt.co.kr/
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LD1048 Datasheet(HTML) 8 Page - LDT Co., Ltd

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LD71D1048C
SD-2003A
10 bit PWM controller / 48 Channel Output LED DRIVER
TIMING WAVE FORM
PARAMETER
SYMBOL
TEST CONDITION
UNIT
Input
Voltage
VIH
V
TYP.
-
MIN.
0.7VDD
-
TEST
CIR-
CUIT
-
“H” Level
VIL
-
GND
-
-
“L” Level
Output
Voltage
VOL
V
-
-
-
-
DOUT
VOH
-
0.8VDD
-
-
I
OZ
-
VOH = 6.0V
-
uA
Output Leakage
current
Output Current1
IOL1
mA
37.0
34
REXT = 8 ㏀
-
Delta IOUT
IOL1
+ 1.5
-
REXT = 16 ㏀
IOUT = 40mA, VOUT = 1V
-
%
Output Current2
IOL2
mA
69.0
65.0
REXT = 4.0 ㏀
-
Delta IOUT
IOL2
+ 1.5
-
REXT = 4.0 ㏀
IOUT = 69mA, VOUT = 1V
-
%
%/VDD
1.5
-
REXT= 16 kW
-
%/V
Supply Voltage
Regulation
Vref
1.26
-
REXT=4 ㏀ ,Ta =-40~85
oC
-
V
Reference Voltage
RIN(up)
200
100
-
-
Pull up resistor
RIN(down)
200
100
-
-
Pull down resistor
Irext(1)
-
-
REXT = OPEN, OUTn = OFF
-
u
Supply current
Irext(2)
74.0
70
REXT = 16 OUTn = OFF
-
uA
Irext(3)
140.0
130
REXT = 8 OUTn = OFF
-
MAX.
VDD
0.3VDD
0.2VDD
-
1
40.0
+ 6.0
74
+ 6.0
5.0
-
400
400
-
78
150
ELECTRICAL CHARACTERISTICS (Ta = 25oC unless otherwise noted) (continued)
REXT
IOUT
6
kOhm
46mA
8
kOhm
35mA
10
kOhm
29mA
15
kOhm
20mA
30
kOhm
10mA
4
kOhm
64mA
4K
6K
8K
10K
15K
30K
100
90
80
70
60
50
40
30
20
10
0
REXT -IOUT
REXT (Ohm)
COUT = 2.0(V)
ELECTRICAL CHARACTERISTICS(Ta = 25oC unless otherwise noted)
Relation COUT with REXT


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