參數(shù)資料
型號(hào): MAX6978AUE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 顯示驅(qū)動(dòng)器
英文描述: 8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog
中文描述: LED DISPLAY DRIVER, PDSO16
封裝: 4.40 MM, MO-153ABT, TSSOP-16
文件頁(yè)數(shù): 3/13頁(yè)
文件大?。?/td> 327K
代理商: MAX6978AUE
M
8-Port, 5.5V Constant-Current LED Driver with
LED Fault Detection and Watchdog
_______________________________________________________________________________________
3
5V TIMING CHARACTERISTICS
(
Typical Operating Circuit
, V+ = 4.5V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
t
CP
t
CH
t
CL
t
DS
t
DH
t
DO
t
DR
, t
DF
t
LW
CONDITIONS
MIN
40
19
19
4
8
12
TYP
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
CLK Clock Period
CLK Pulse-Width High
CLK Pulse-Width Low
DIN Setup Time
DIN Hold Time
DOUT Propagation Delay
DOUT Rise and Fall Time
LE Pulse-Width High
32
10
C
DOUT
= 10pF, 20% to 80%
20
LE Pulse Width (Fault-Detection
Data Valid)
t
LF
20
ns
LE Setup Time
LE Rising to OUT_ Rising Delay
LE Rising to OUT_ Falling Delay
CLK Rising to OUT_ Rising Delay
CLK Rising to OUT_ Falling Delay
OE
Rising to OUT_ Rising Delay
OE
Falling to OUT_ Falling Delay
t
LS
t
LRR
t
LRF
t
CRR
t
CRF
t
OE
H
t
OE
L
10
ns
ns
ns
ns
ns
ns
ns
(Note 2)
(Note 2)
(Note 2)
(Note 2)
100
280
100
310
100
300
LED Output OUT_ Turn-On Fall
Time
t
f
80% to 20%
200
ns
LED Output OUT_ Turn-Off Rise
Time
t
r
20% to 80%
120
ns
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