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參數(shù)資料
| 型號： | MAX6979 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | AND-OR-invert Gates 14-CDIP -55 to 125 |
| 中文描述： | 16端口、5.5V恒流LED驅(qū)動器，帶有LED故障檢測和看門狗 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 304K |
| 代理商： | MAX6979 |
M
16-Port, 36V Constant-Current LED Driver
4
_______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
3.3V TIMING CHARACTERISTICS
(
Typical Operating Circuit
, V+ = 3V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
PARAMETER
SYMBOL
t
CP
t
CH
t
CL
t
DS
t
DH
t
DO
t
DR,
t
DF
t
LW
t
LS
t
LRR
t
LRF
t
CRR
t
CRF
t
OE
H
t
OE
L
CONDITIONS
MIN
52
24
24
4
8
12
TYP
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
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
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
50
12
C
DOUT
= 10pF, 20% to 80%
20
15
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
120
310
120
330
120
330
LED Output OUT_ Turn-On Fall
Time
t
f
80% to 20% (Note 3)
120
ns
LED Output OUT_ Turn-Off Rise
Time
t
r
20% to 80% (Note 3)
120
ns
Note 1:
All parameters tested at T
A
= +25°C. Specifications over temperature are guaranteed by design.
Note 2:
See Figure 3.
Note 3:
A 65
pullup resistor connected from OUT_ to 5.5V.
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS OFF,
R
SET
= 720
)
M
SUPPLY VOLTAGE (V)
S
5.0
4.5
3.5
4.0
1.85
1.90
1.95
2.00
1.80
3.0
5.5
T
A
= +125
°
C
T
A
= +85
°
C
T
A
= -40
°
C
T
A
= +25
°
C
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS OFF,
R
SET
= 360
)
M
SUPPLY VOLTAGE (V)
S
5.0
4.5
3.5
4.0
3.55
3.60
3.65
3.70
3.50
3.0
5.5
T
A
= +125
°
C
T
A
= +85
°
C
T
A
= -40
°
C
T
A
= +25
°
C
10
30
25
20
15
35
40
3.0
4.0
3.5
4.5
5.0
5.5
M
SUPPLY VOLTAGE (V)
S
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS ON, R
SET
= 720
)
T
A
= +125
°
C
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
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