Datasheet

Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
10-Port Constant-Current LED Drivers and I/O
Expanders with PWM Intensity Control
STANDBY CURRENT (I
STBY1
)
vs. TEMPERATURE
MAX6966/67 toc01
TEMPERATURE (°C)
STANDBY CURRENT (µA)
11095-25 -10 5 35 50 6520 80
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0.4
-40 125
V+ = 3.6V
V+ = 3.3V
V+ = 2.7V
V+ = 2.25V
SUPPLY CURRENT (I+)
vs. TEMPERATURE
MAX6966/67 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
1109580655035205-10-25
0.1
0.2
0.3
0.4
0.5
0
-40 125
V+ = 3.6V
V+ = 3.3V
V+ = 2.7V
V+ = 2.25V
OUTPUT SINKING CURRENT
vs. V
EXT
- V
LED
AT 10mA
MAX6966/67 toc03
V
EXT
- V
LED
(V)
OUTPUT SINKING CURRENT (mA)
4321
2
4
6
8
10
12
14
0
05
OUTPUT SINKING CURRENT
vs. V
EXT
- V
LED
AT 20mA
MAX6966/67 toc04
V
EXT
- V
LED
(V)
OUTPUT SINKING CURRENT (mA)
4321
4
8
12
16
20
24
0
05
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX6966/67 toc05
TEMPERATURE (°C)
FREQUENCY (kHz)
1109565 80-10 5 20 35 50-25
29
31
33
35
37
39
41
43
45
27
-40 125
V+ = 3.6V
V+ = 3.3V
V+ = 2.7V
V+ = 2.25V
SAMPLE PWM WAVEFORMS
2ms
OUTPUT
REGISTER
= 0x03
OUTPUT
REGISTER
= 0x80
OUTPUT
REGISTER
= 0xFE
MAX6966/67 toc06
STAGGER PWM PORT WAVEFORMS
(OUTPUT REGISTERS SET TO 0x80)
2ms
PORT P4
PORT P0
PORT P1
MAX6966/67 toc07
MAX6966/MAX6967
Maxim Integrated
5