MAX6967AEE datasheet(5/29 Pages) MAXIM

Part #	MAX6967AEE

Description	10-Port Constant-Current LED Drivers and I/O Expanders with PWM Intensity Control

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Manufacturer	MAXIM [Maxim Integrated Products]

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Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

10-Port Constant-Current LED Drivers and I/O

Expanders with PWM Intensity Control

_______________________________________________________________________________________

5

STANDBY CURRENT (ISTBY1)

vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

-25 -10 5

35 50 65

20

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

TEMPERATURE (

°C)

110

95

80

65

50

35

20

5

-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. VEXT - VLED AT 10mA

VEXT - VLED (V)

4

3

2

1

2

4

6

8

10

12

14

0

05

OUTPUT SINKING CURRENT

vs. VEXT - VLED AT 20mA

VEXT - VLED (V)

4

3

2

1

4

8

12

16

20

24

0

05

INTERNAL OSCILLATOR FREQUENCY

vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

65 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

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