Si87xx

8

Preliminary Rev. 0.5

Figure 1. (SOIC-8) Thermal Derating Curve, Dependence of Safety Limiting Values

with Case Temperature per DIN EN 60747-5-2

Table 7. IEC Safety Limiting Values

Parameter

Symbol

Test Condition

Max

Unit

SOIC-8

DIP8

SDIP6

LGA8

Case Temperature

140

140

140

140

°C

Input Current



110 °C/W (DIP8),

105 °C/W (SDIP6),

220 °C (LGA8),

370

370

390

185

mA

Output Power

11

1

0.5

W

Note: Maximum value allowed in the event of a failure; also see the thermal derating curve in Figures 1, 2, 3, and 4.

Table 8. Thermal Characteristics

Parameter

Symbol

Typ

Unit

SOIC-8

DIP8

SDIP6

LGA8

IC Junction-to-Air Thermal

Resistance



JA

110

110

105

220

ºC/W

400

600

800

1000

1200

Ps (mW)

Is(mA)

0

200

0

20406080

100

120

140

Ts CaseTemperature (°C)