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參數(shù)資料
| 型號： | MBI5170 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8-Bit Constant Current LED Sink Driver with Gain Control |
| 中文描述： | 8位恒流增益控制LED驅(qū)動器 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 400K |
| 代理商： | MBI5170 |
MBI5170 8-Bit Constant Current LED Sink Driver with Gain Control
August 2004, VA.00
- 11 -
S witc hing Charac teristic s (V
DD
= 5.0V )
Characteristics
Symbol
Condition
Min.
Typ.
Max.
Unit
CLK -OUTn
t
pLH1
-
100
150
ns
LE/MOD/CA -OUTn
t
pLH2
-
100
150
ns
OE /SW -OUTn
CLK - SDO
t
pLH3
-
100
150
ns
Propagation Delay
Time (
“
L
”
to
“
H
”
)
t
pLH
20
25
30
ns
CLK -OUTn
t
pHL1
-
100
150
ns
LE/MOD/CA -OUTn
t
pHL2
-
100
150
ns
OE /SW -OUTn
CLK - SDO
t
pHL3
-
100
150
ns
Propagation Delay
Time (
“
H
”
to
“
L
”
)
t
pHL
t
w(CLK)
t
w(L)
20
25
30
ns
CLK
20
-
-
ns
LE/MOD/CA
20
-
-
ns
Pulse Width
OE /SW (@Iout< 60mA)
t
w(OE)
200
-
-
ns
Hold Time for LE/MOD/CA
t
h(L)
t
su(L)
t
r
***
t
f
***
t
or
t
of
10
-
-
ns
Setup Time for LE/MOD/CA
5
-
-
ns
Maximum CLK Rise Time
-
-
500
ns
Maximum CLK Fall Time
-
-
500
ns
Output Rise Time of Vout (turn off)
-
120
150
ns
Output Fall Time of Vout (turn on)
Test Circuit for
Switching
Characteristics
V
DD
=5.0 V
V
DS
=0.8 V
V
IH
=V
DD
V
IL
=GND
R
ext
=372
V
L
=4.0 V
R
L
=64
C
L
=10 pF
VG = 0.992
CM = 1
-
200
250
ns
Clock Frequency
F
CLK
Cascade
Operation
-
-
25.0
MHz
***
If MBI5170 are connected in cascade and t
r
or t
f
is large, it may be critical to achieve the timing required for
data transfer between two cascaded LED drivers MBI5170.
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