MAX6978AUE+ Maxim Integrated, MAX6978AUE+ Datasheet - Page 4

• Manufacturer Part Number: MAX6978AUE+
• Description: LED Display Drivers 8-Port, 5.5V CC LED Driver w/Fault Det
• Manufacturer: Maxim Integrated

Specifications of MAX6978AUE+

• Rohs: yes
• Number Of Segments: 16
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-16
• Operating Supply Voltage: 3 V to 5.5 V
• Maximum Supply Current: 25 mA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Low Level Output Current: 60 mA
• Power Dissipation: 1702 mW

8-Port, 5.5V Constant-Current LED Driver with
LED Fault Detection and Watchdog
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.
(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 Pulse Width (Fault-Detection
Data Valid)
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
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
A
3.0
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
_______________________________________________________________________________________
(INTERFACE IDLE, ALL OUTPUTS
3.5
T
PARAMETER
A
= +125°C
OFF, R
SUPPLY VOLTAGE (V)
T
A
4.0
T
= +25°C
A
SET
= -40°C
= 720Ω)
4.5
T
A
= +85°C
5.0
A
= +25°C. Specifications over temperature are guaranteed by design.
5.5
SYMBOL
t
t
t
t
t
t
t
OEH
t
t
t
OEL
t
DO
CH
DH
LW
LW
CP
CL
DS
LS
t
t
f
r
A
= T
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
C
80% to 20%
20% to 80%
3.0
MIN
SUPPLY CURRENT vs. SUPPLY VOLTAGE
DOUT
(INTERFACE IDLE, ALL OUTPUTS
to T
T
T
A
A
3.5
= 10pF, 20% to 80%
= +125°C
= -40°C
MAX
SUPPLY VOLTAGE (V)
OFF, R
, unless otherwise noted.) (Note 1)
4.0
CONDITIONS
SET
= 360Ω)
4.5
T
T
A
Typical Operating Characteristics
A
= +85°C
= +25°C
5.0
5.5
15
12
9
6
3
0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
3.0
MIN
52
24
24
12
20
20
15
4
8
(INTERFACE IDLE, ALL OUTPUTS
T
T
A
A
3.5
= -40°C
= +125°C
ON, R
SUPPLY VOLTAGE (V)
TYP
4.0
SET
= 720Ω)
MAX
T
4.5
100
310
100
330
100
330
200
120
A
48
10
= +25°C
T
A
= +85°C
5.0
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5.5