17-Output LED Driver/GPO with
Intensity Control and Hot-Insertion Protection
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
SCOPE SHOT OF OUTPUT PORTS
MAX6964 toc07
MASTER INTENSITY SET TO 14/15
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
OUTPUT 1,
2V/div
SCOPE SHOT OF OUTPUT PORTS
MAX6964 toc08
MASTER INTENSITY SET TO 1/15
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
OUTPUT 1
2V/div
0.35
0.30
0.25
0.20
0.15
SINK CURRENT vs. V OL
ONLY ONE OUTPUT LOADED
V+ = 2V
V+ = 2.7V
V+ = 3.3V
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 14/15
OUTPUT 2,
2V/div
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 15/16
OUTPUT 2
2V/div
0.10
0.05
0
V+ = 3.6V
2ms/div
2ms/div
0
10
20
30
40
50
SINK CURRENT (mA)
Pin Description
QSOP
1, 4–11, 13–20
2
3
12
21
22
23
24
PIN
QFN
1–8, 10–17, 22
23
24
9
18
19
20
21
Pad
NAME
O0-O16
RST
AD0
GND
BLINK
SCL
SDA
V+
Exposed Pad
FUNCTION
Output Ports. Open-drain outputs rated at 7V, 50mA.
Reset Input. Active low clears the 2-wire interface and puts the device in the
same condition as power-up reset.
Address Input. Sets device slave address. Connect to either GND, V+, SCL, or
SDA to give 4 logic combinations. See Table 1.
Ground. Do not sink more than 350mA into the GND pin.
Input Port. Configurable as blink control or general-purpose input.
I 2 C-Compatible Serial Clock Input
I 2 C-Compatible Serial Data I/O
Positive Supply Voltage. Bypass V+ to GND with a 0.047μF ceramic capacitor.
Exposed pad on package underside. Connect to GND.
_______________________________________________________________________________________
5
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