SM8131B 查看數據表（PDF） - Nippon Precision Circuits

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SM8131B

White LED Driver IC

Nippon Precision Circuits  

SM8131B

SPECIFICATIONS

Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

VIN voltage range

Input voltage range

Output voltage range

Power dissipation

Operating temperature range

V IN

−0.3 to 6.5

V

VEN, VSEL

VGND – 0.3 to VIN + 0.3

V

VDIN1 to 6

VGND – 0.3 to VIN + 0.3

V

VOUT

PD

6.5

V

1429 (Ta = 25°C)*1

mW

Ta

–30 to 85

°C

Storage temperature range

T stg

−55 to 125

°C

*1.When mounted on a 34 × 40 × 1.6mm glass epoxy board, the power dissipation is related to the operating temperature by

the following equation.

I Maximum junction temperature: TMAX = 125°C

I Operating temperature: Ta [°C]

I Thermal resistance: θJ = 70°C/W

PD =

(TMAX − Ta)

θJ

1600

1429

1200

800

400

1143

857

571

0

25 35 45 55 65 75 85

Operating temperature [°C]

NIPPON PRECISION CIRCUITS INC.—3

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