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LD1024 Datasheet(PDF) 9 Page - LDT Co., Ltd

Part # LD1024
Description  Constant-Current LED Driver
PDF  22 Pages
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Manufacturer  LDT [LDT Co., Ltd]
Direct Link  http://www.ldt.co.kr/
Logo LDT - LDT Co., Ltd

LD1024 Datasheet(HTML) 9 Page - LDT Co., Ltd

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Ver2.1
9
LD1024
16-Channel, Constant-Current LED Driver with LED Open Detection
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
AC CHARACTERISTICS (V
DD=5.5)
(At Ta=-40oC to 85oC, CL=15pF, RL=100Ω, R
REXT=1.8KΩ, and VLED=5.5V )
Characteristics
Symbol
Test Condition
Min.
Typ.
Max.
Unit
CLK SPEED
fCLK (CLK)
CLK
40
MHZ
Pulse duration
t
WH0
CLK
10
ns
t
WL1
CLK
10
t
WH1
STROBE
20
t
WH2
OEB
20
t
WL2
OEB
20
Setup time
t
SU0
DIN–CLK↑
5
-
ns
t
SU1
STROBE↑–
CLK↑
100
-
Hold time
t
H0
DIN–CLK↑
5
-
ns
t
H1
STROBE↑–
CLK↑
10
-
Rise time
t
R0
DOUT
16
ns
t
R1
OUTn, V
DD = 5 V,
10
30
Fall time
t
F0
DOUT
16
ns
t
F1
OUTn, V
DD = 5 V
10
30
Propagation delay time
t
D0
CLK - DO (see
Figure 5)
8
20
ns
T
D1
OEB - OUT0 (see
Figure 5)
12
30
t
D2
STROBE or OEB
to OUTn sink
current off
12
30
Delay of Output
t
DLY
OUTn+1 - OUTn
2
ns
Output on-time error
t
ON_ERR
On/off latch data =
all ‘1’, 20ns OEB
low level one-shot
pulse input
-8
-8
ns



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