Rainbow-electronics MAX6975 Uživatelský manuál stáhnout pdf (Strana 4)

MAX6974/MAX6975

24-Output PWM LED Drivers

for Message Boards

4 _______________________________________________________________________________________

Typical Operating Characteristics

= 3.3V, T

= +25°C, unless otherwise noted.)

OPERATING CURRENT CONSUMPTION

vs. SUPPLY VOLTAGE V

MAX6974 toc01

SUPPLY VOLTAGE V

(V)

(mA)

3.43.33.23.1

3.0 3.5 3.6

= -40

= +25

= +125

= +85

CLKI

= 32MHz

CALDAC = 0xFF

OPERATING CURRENT CONSUMPTION

vs. SUPPLY VOLTAGE V

MAX6974 toc02

SUPPLY VOLTAGE V

(V)

(mA)

3.53.43.33.23.1

3.0 3.6

= -40

= +25

= +85

= +125

CLKI

= 0MHz

CALDAC = 0x00

LED OUTPUT SINK CURRENT

vs. OUTPUT VOLTAGE

MAX6974 toc03

OUTPUT VOLTAGE (V)

SINK

(mA)

564321

= -40

= +125

= +25

= +85

LED OUTPUT SINK CURRENT

vs. OUTPUT VOLTAGE

MAX6974 toc04

OUTPUT VOLTAGE (V)

SINK

(mA)

564321

= +3.0V

= +3.3V

= +3.6V

1 2 3 4 5 6 7 8 9 ... 22 23

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