MAX6965ATE+T【PDF 4/22 页】IC LED DRIVER LINEAR 16-TQFN

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9-Output LED Driver with Intensity Control

and Hot-Insertion Protection

TIMING CHARACTERISTICS (continued)

(Typical Operating Circuit, V+ = 2V to 3.6V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at V+ = 3.3V, T A = +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

RST Pulse Width

t W

1

μs

Output Data Valid

t DV

Figure 10

5

μs

Note 1: All parameters tested at T A = +25°C. Specifications over temperature are guaranteed by design.

Note 2: A master device must provide a hold time of at least 300ns for the SDA signal (referred to V IL of the SCL signal) to bridge

the undefined region of SCL’s falling edge.

Note 3: Guaranteed by design.

Note 4: C b = total capacitance of one bus line in pF. t R and t F measured between 0.3 x V DD and 0.7 x V DD .

Note 5: I SINK ≤ 6mA. C b = total capacitance of one bus line in pF. t R and t F measured between 0.3 x V DD and 0.7 x V DD .

Note 6: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.

__________________________________________Typical Operating Characteristics

(T A = +25°C, unless otherwise noted.)

SUPPLY CURRENT vs. TEMPERATURE

SUPPLY CURRENT vs. TEMPERATURE

10

STANDBY CURRENT vs. TEMPERATURE

70

(PWM DISABLED; f SCL = 400kHz)

70

(PWM ENABLED; f SCL = 400kHz)

9

V+ = 3.6V

PWM ENABLED

60

65

60

8

7

6

50

40

V+ = 3.6V

55

50

45

40

V+ = 3.6V

V+ = 2.7V

V+ = 2.7V

V+ = 2V

V+ = 2.7V

5

4

3

2

V+ = 2V

PWM ENABLED

PWM ENABLED V+ = 3.6V

PWM

PWM DISABLED PWM DISABLED DISABLED

30

20

V+ = 2.7V

V+ = 2V

35

30

25

20

15

V+ = 2V

1

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE ( ° C)

PORT OUTPUT LOW VOLTAGE WITH 50mA

LOAD CURRENT vs. TEMPERATURE

10

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE ( ° C)

PORT OUTPUT LOW VOLTAGE WITH 20mA

LOAD CURRENT vs. TEMPERATURE

10

5

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE ( ° C)

PWM CLOCK FREQUENCY

vs. TEMPERATURE

0.6

0.6

ALL OUTPUTS LOADED

1.050

0.5

0.5

1.025

V+ = 3.6V

V+ = 2.7V

0.4

V+ = 2V

0.4

1.000

0.3

0.2

0.1

V+ = 3.6V

0.3

0.2

0.1

V+ = 2V

V+ = 2.7V

V+ = 3.6V

0.975

0.950

0.925

V+ = 2.7V

V+ = 2V

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE ( ° C)

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE ( ° C)

0.900

NORMALIZED TO V+ = 3.3V, T A = +25 ° C

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE ( ° C)

4

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