MAX6967 MAXIM [Maxim Integrated Products], MAX6967 Datasheet - Page 5

• Manufacturer Part Number: MAX6967
• Description: 10-Port Constant-Current LED Drivers and I/O Expanders with PWM Intensity Control
• Manufacturer: MAXIM [Maxim Integrated Products]

(T
A
= +25°C, unless otherwise noted.)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
-40
10-Port Constant-Current LED Drivers and I/O
-25 -10 5
STANDBY CURRENT (I
V+ = 2.7V
REGISTER
REGISTER
REGISTER
OUTPUT
OUTPUT
OUTPUT
vs. TEMPERATURE
= 0x03
= 0x80
= 0xFE
V+ = 2.25V
TEMPERATURE (°C)
24
20
16
12
V+ = 3.3V
20
8
4
0
_______________________________________________________________________________________
0
35 50 65
Expanders with PWM Intensity Control
OUTPUT SINKING CURRENT
SAMPLE PWM WAVEFORMS
V+ = 3.6V
vs. V
1
STBY1
80
EXT
V
EXT
95
2
- V
)
- V
110
2ms
LED
LED
125
AT 20mA
3
(V)
MAX6966/67 toc06
4
0.5
0.4
0.3
0.2
0.1
0
-40
5
-25
V+ = 3.3V
-10
SUPPLY CURRENT (I+)
vs. TEMPERATURE
5
TEMPERATURE (°C)
20
V+ = 2.25V
V+ = 2.7V
V+ = 3.6V
35
50
Typical Operating Characteristics
PORT P4
PORT P0
PORT P1
65
45
43
41
39
37
35
33
31
29
27
80
-40
95
INTERNAL OSCILLATOR FREQUENCY
STAGGER PWM PORT WAVEFORMS
(OUTPUT REGISTERS SET TO 0x80)
-25
110
V+ = 2.7V
-10 5 20 35 50
125
V+ = 3.6V
vs. TEMPERATURE
TEMPERATURE (°C)
14
12
10
2ms
V+ = 2.25V
8
6
4
2
0
0
V+ = 3.3V
65 80
OUTPUT SINKING CURRENT
vs. V
1
MAX6966/67 toc07
95
EXT
110
V
EXT
2
125
- V
- V
LED
LED
AT 10mA
3
(V)
4
5
5