33984 Datasheet, PDF (36/38 Pages) Freescale Semiconductor, Inc – Dual Intelligent High-current Self-protected Silicon High Side Switch (4.0 mOhm)

ADDITIONAL DOCUMENTATION
THERMAL ADDENDUM (REV 3.0)
80
70
60
50
40
30
x R_θJA11
20
R_θJA22
R_θJA12 = R_θJA21
10
0
0
300
600
Heat spreading area A [mm²]
Figure 3. Device on Thermal Test Board R_θJA
100
10
x R_θJA11
1
R_θJA22
R_θJA12 = R_θJA21
0.1
1.00E-03 1.00E-02 1.00E-01 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+04
Tim e[s ]
Figure 4. Transient Thermal Resistance R_θJA (1 W Step Response)
Device on Thermal Test Board Area A = 600(mm²)
33984
36
Analog Integrated Circuit Device Data
Freescale Semiconductor