PCA9626BS,518【PDF 36/47 页】IC LED DRIVER RGBA 48HVQFN

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NXP Semiconductors

PCA9626

24-bit Fm+ I 2 C-bus 100 mA 40 V LED driver

[2]

Each bit must be limited to a maximum of 100 mA and the total package limited to 2400 mA due to internal busing limits.

14. Dynamic characteristics

Table 19.

Dynamic characteristics

Symbol

Parameter

Conditions

Standard-mode

Fast-mode

Fast-mode

Unit

I 2 C-bus

I 2 C-bus

Plus I 2 C-bus

Min

Max

Min

Max

Min

Max

f SCL

t BUF

SCL clock frequency

bus free time

0

4.7

100

-

0

1.3

400

-

0

0.5

1000

-

kHz

? s

between a STOP and

START condition

t HD;STA

hold time (repeated)

4.0

-

0.6

-

0.26

-

? s

START condition

t SU;STA

set-up time for a

4.7

-

0.6

-

0.26

-

? s

repeated START

condition

t SU;STO

set-up time for STOP

4.0

-

0.6

-

0.26

-

? s

condition

t HD;DAT

data hold time

0

-

0

-

0

-

ns

t VD;ACK

data valid

[1]

0.3

3.45

0.1

0.9

0.05

0.45

? s

acknowledge time

t VD;DAT

t SU;DAT

t LOW

data valid time

data set-up time

LOW period of the

[2]

0.3

250

4.7

3.45

-

-

0.1

100

1.3

0.9

-

-

0.05

50

0.5

0.45

-

-

? s

ns

? s

SCL clock

t HIGH

HIGH period of the

4.0

-

0.6

-

0.26

-

? s

SCL clock

t f

fall time of both SDA

[3][4]

-

300

20 + 0.1C b [5]

300

-

120

ns

and SCL signals

t r

rise time of both SDA

-

1000

20 + 0.1C b [5]

300

-

120

ns

and SCL signals

t SP

pulse width of spikes

[6]

-

50

-

50

-

50

ns

that must be

suppressed by the

input filter

Output propagation delay

t PLH

LOW to HIGH

OE to LEDn;

-

-

-

-

-

150

ns

propagation delay

MODE2[1:0] = 01

t PHL

HIGH to LOW

OE to LEDn;

-

-

-

-

-

150

ns

propagation delay

MODE2[1:0] = 01

PCA9626

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 3 — 6 September 2012

? NXP B.V. 2012. All rights reserved.

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