MAX6968 MAXIM [Maxim Integrated Products], MAX6968 Datasheet - Page 4

• Manufacturer Part Number: MAX6968
• Description: 16-Port, 36V Constant-Current LED Driver
• Manufacturer: MAXIM [Maxim Integrated Products]

16-Port, 36V Constant-Current LED Driver
3.3V TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 3V to 5.5V, T
4
Note 1: All parameters tested at T
Note 2: See Figure 3.
Note 3: A 65Ω pullup resistor connected from OUT_ to 5.5V.
(T
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
LED Output OUT_ Turn-On Fall
Time
LED Output OUT_ Turn-Off Rise
Time
A
2.00
1.95
1.90
1.85
1.80
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
3.0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS OFF,
T
A
PARAMETER
= +125°C
3.5
T
A
= -40°C
SUPPLY VOLTAGE (V)
R
SET
4.0
T
= 720Ω)
A
= +85°C
4.5
T
A
= +25°C
5.0
A
= +25°C. Specifications over temperature are guaranteed by design.
SYMBOL
t
DR,
5.5
t
t
t
t
t
t
t
t
t
t
OEH
t
t
t
LRR
CRR
CRF
OEL
t
LRF
DO
CH
DH
LW
CP
CL
DS
LS
t
t
f
r
t
DF
A
= T
3.70
3.65
3.60
3.55
3.50
C
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
80% to 20% (Note 3)
20% to 80% (Note 3)
MIN
3.0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
DOUT
(INTERFACE IDLE, ALL OUTPUTS OFF,
T
to T
A
= +125°C
= 10pF, 20% to 80%
3.5
T
MAX
A
= -40°C
SUPPLY VOLTAGE (V)
, unless otherwise noted.) (Notes 1, 2)
R
SET
4.0
CONDITIONS
T
= 360Ω)
A
= +85°C
4.5
Typical Operating Characteristics
T
A
= +25°C
5.0
5.5
(INTERFACE IDLE, ALL OUTPUTS ON, R
40
35
30
25
20
15
10
SUPPLY CURRENT vs. SUPPLY VOLTAGE
3.0
MIN
52
24
24
12
20
15
4
8
T
T
A
3.5
A
= +125°C
= -40°C
SUPPLY VOLTAGE (V)
TYP
4.0
T
4.5
MAX
A
120
310
120
330
120
330
120
120
T
50
12
= +25°C
A
= +85°C
5.0
SET
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
= 720Ω)
5.5