Datasheet

R
SET
=49.9kW
12-VP
LIM
duringstartupinto60 W,800
mF
P dissipationinternalFET
ILOAD
VOUT
R
SET
=49.9kW
12-VP
LIM
duringstartupinto
overload,CT= 0.1 mF
P dissipationinternalFET
ILOAD
VOUT
CT
R
FLT
=100k
Overload,powerlimittripped,
12-Vloadsteppedfrom3 A to5.4 A,
C
LOAD
=700 mF,R
SET
=49.9kW
ILOAD
VOUT
VCT
PG
12-Vloadat3.6 A,thenshortapplied
tooutput,R
SET
=49.9kW
ILOAD
VOUT
VCT
PG
TPS2421-1
TPS2421-2
SLUS907G –JANUARY 2009–REVISED MAY 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 9. 12-V Firm Overload, 3 A to 5.4 A, Power Limit Figure 10. 12-V Hard Overload, 3.6-A Load Then Short
Tripped
Figure 11. Power Dissipation During 12-V Startup into 60 Ω, Figure 12. Power Dissipation During 12-V Startup into 15 Ω,
800 μF 140 μF
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