17-Output LED Driver/GPO with

Intensity Control and Hot-Insertion Protection

_______________________________________________________________________________________

5

SCOPE SHOT OF OUTPUT PORTS

MAX6964 toc07

2ms/div

OUTPUT 1,

2V/div

OUTPUT 2,

2V/div

OUTPUT 1 INDIVIDUAL INTENSITY

SET TO 1/16

MASTER INTENSITY SET TO 14/15

OUTPUT 2 INDIVIDUAL INTENSITY

SET TO 14/15

SCOPE SHOT OF OUTPUT PORTS

MAX6964 toc08

2ms/div

OUTPUT 1

2V/div

OUTPUT 2

2V/div

MASTER INTENSITY SET TO 1/15

OUTPUT 1 INDIVIDUAL INTENSITY

SET TO 1/16

OUTPUT 2 INDIVIDUAL INTENSITY

SET TO 15/16

SINK CURRENT (mA)

40

30

20

10

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0

050

V+ = 3.6V

V+ = 3.3V

V+ = 2V

V+ = 2.7V

ONLY ONE OUTPUT LOADED

Typical Operating Characteristics (continued)

PIN

QSOP

QFN

NAME

FUNCTION

1, 4–11, 13–20

1–8, 10–17, 22

O0-O16

Output Ports. Open-drain outputs rated at 7V, 50mA.

223

RST

Reset Input. Active low clears the 2-wire interface and puts the device in the

same condition as power-up reset.

3

24

AD0

Address Input. Sets device slave address. Connect to either GND, V+, SCL, or

SDA to give 4 logic combinations. See Table 1.

12

9

GND

Ground. Do not sink more than 350mA into the GND pin.

21

18

BLINK

Input Port. Configurable as blink control or general-purpose input.

22

19

SCL

23

20

SDA

24

21

V+

Positive Supply Voltage. Bypass V+ to GND with a 0.047µF ceramic capacitor.

—

Pad

Exposed Pad

Exposed pad on package underside. Connect to GND.

Pin Description