PCA9625 datasheet(22/33 Pages) NXP

22 / 33 page

PCA9625_2

Product data sheet

Rev. 02 — 15 January 2008

22 of 33

NXP Semiconductors

PCA9625

16-bit Fm+ I2C-bus 100 mA 24 V LED driver

11. Limiting values

[1]

The Vdrv(LED) must always be less than or equal to VDD(DRV)FET.

12. Thermal characteristics

Table 13.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

−0.5

+6.0

VI/O

voltage on an input/output pin

VSS − 0.5

5.5

Vdrv(LED)

LED driver voltage

[1] VSS − 0.5

VDD(DRV)FET

FET driver supply voltage

[1] VSS − 0.5

IO(LEDn)

output current on pin LEDn

100

ISS

ground supply current

per VSS(DRV)FET pin

800

Ptot

total power dissipation

Tamb =25 °C

1.8

Tamb =85 °C

0.72

P/ch

power dissipation per channel

Tamb =25 °C

100

Tamb =85 °C

Tstg

storage temperature

−65

+150

°C

Tamb

ambient temperature

operating

−40

+85

°C

Table 14.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction to ambient

SO32

°C/W

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