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LD1074 Datasheet(PDF) 6 Page - LDT Co., Ltd

Part # LD1074
Description  16-Channel Constant Current LED Driver
PDF  32 Pages
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Manufacturer  LDT [LDT Co., Ltd]
Direct Link  http://www.ldt.co.kr/
Logo LDT - LDT Co., Ltd

LD1074 Datasheet(HTML) 6 Page - LDT Co., Ltd

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Ver 1.1
6
LD1074
16-Channel Constant Current LED Driver With 16-Bit PWM Control and Dot-Correction
LDT Inc. WE bldg. 5F, 126-33 Han-dle 1ro, Seobuk-gu, Cheonan, Chungnam, korea, 331-220
Tel. +82 41 520 7300 Fax. +82 41 520 7337 www.ldt.co.kr
Electrical Characteristics (VDD=5.0V, Ta=25°C)
Characteristics
Symbol
Condition
Min.
Typ.
Max.
Unit.
Supply Voltage
VDD
-
4.5
5.0
5.5
V
Sustaining Voltage at OUT
Ports
VDS
OUT0 ~ OUT15
-
-
5.5
V
Output Current
IOUT
Refer to “Test Circuit for
Electrical Characteristics”
2
-
60
mA
IOH
SDO
-
-
-1.0
mA
IOL
SDO
-
-
1.0
mA
Output Leakage Current
IOUT
VDS=5.5V
-
-
0.5
μA
Current Skew (Channel)
dIOUT
IOUT=25.8mA
VDS=1.0V
Rext=560
Ω
-
±1.0
±2.0
%
IOUT=45mA
VDS=1.0V
Rext=310
Ω
-
±1.0
±2.0
%
Current Skew (IC)
dIOUT2
IOUT=25.8mA
VDS=1.0V
Rext=560
Ω
-
±1.5
±3.0
%
IOUT=45mA
VDS=1.0V
Rext=310
Ω
-
±1.5
±3.0
%
Output Current vs.
Output Voltage Regulation*
%/dVDS
VDS within 1.0V and 3.0V,
Rext=560
Ω@25.8mA
-
±0.3
±1.0
%/V
Output Current vs.
Supply Voltage Regulation*
%/dVDD
VDD within 4.5V and 5.5V
-
±0.5
±1.0
%/V
Input Voltage
“H” level
VIH
Ta=-40~85ºC
0.7ⅹVDD
-
VDD
V
“L” level
VIL
Ta=-40~85ºC
GND
-
0.3ⅹVDD
V
Output Voltage SDO
VOL
IOL=+1.0mA
-
-
0.4
V
VOH
IOH=-1.0mA
4.6
-
-
V
LED Open Error Detection
Threshold
VDS,TH
-
-
0.30
0.35
V
Pull-down Resistor of LE
RIN(down) -
250
450
800
K
Ω
Supply Current
(DCLK=GCLK
=0Hz)
“Off”
IDD(off) 1
Rext=Open, OUT0 ~ OUT15 =Off
-
2.4
5
mA
IDD(off) 2
Rext=560
Ω, OUT0 ~ OUT15 =Off
-
6.5
10
IDD(off) 3
Rext=310
Ω, OUT0 ~ OUT15 =Off
-
8.8
12
“On”
IDD(on) 1
Rext=560
Ω, OUT0 ~ OUT15 =On
-
6.6
11
IDD(on) 2
Rext=310
Ω, OUT0 ~ OUT15 =On
-
9.9
13
Supply Current
(DCLK=GCLK
=30MHz,
SDI=15MHz
switching)
“On”
IDD(on) 1
Rext=560
Ω, OUT0 ~ OUT15 =On
-
23.0
-
IDD(on) 2
Rext=310
Ω, OUT0 ~ OUT15 =On
-
23.7
-
Thermal Flag
Temperature 1
TTF1
Junction Temperature
-
140
-
˚C
Thermal Flag
Temperature 2
TTF2
Junction Temperature
-
160
-
˚C
*One channel on.



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