16-Port, 5.5V Constant-Current LED Driver
3.3V TIMING CHARACTERISTICS
( Typical Application Circuit , V+ = 3V to 5.5V, T A = T MIN to T MAX , unless otherwise noted.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CLK Clock Period
CLK Pulse-Width High
CLK Pulse-Width Low
DIN Setup Time
DIN Hold Time
t CP
t CH
t CL
t DS
t DH
52
24
24
4
8
ns
ns
ns
ns
ns
DOUT Propagation Delay
DOUT Rise and Fall Time
t DO
t DR, t DF
C DOUT = 10pF, 20% to 80%
12
50
12
ns
ns
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
t LW
t LS
t LRR
t LRF
t CRR
t CRF
t OE H
t OE L
20
15
120
310
120
330
120
330
ns
ns
ns
ns
ns
ns
ns
ns
LED Output OUT_ Turn-On Fall
Time
LED Output OUT_ Turn-Off Rise
Time
t f
t r
80% to 20%, pullup resistor = 65 ?
20% to 80%, pullup resistor = 65 ?
120
120
ns
ns
Note 1: All parameters tested at T A = +25°C. Specifications over temperature are guaranteed by design.
Note 2: See Figure 3.
Typical Operating Characteristics
(T A = +25°C, unless otherwise noted.)
T A = +125 ° C
4.50
4.25
4.00
3.75
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS OFF,
R SET = 720 ? )
T A = +85 ° C
6.0
5.8
5.6
5.4
5.2
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS
OFF, R SET = 360 ? )
T A = +125 ° C T A = +85 ° C
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS ON, R SET = 720 ? )
20
T A = +125 ° C T A = +85 ° C
18
16
14
3.50
5.0
3.25
4.8
12
3.00
2.75
T A = -40 ° C
T A = +25 ° C
4.6
4.4
4.2
T A = -40 ° C
T A = +25 ° C
10
8
T A = -40 ° C
T A = +25 ° C
2.50
4.0
6
3.0
3.5
4.0
4.5
5.0
5.5
3.0
3.5
4.0
4.5
5.0
5.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
4
_______________________________________________________________________________________
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