Datasheet
12-Vfailedstartupin4 W, 0 mFload
VOUT
VIN
FLT
EN
Soft overload, power limit not tripped,
12-V load stepped from 3 A to 4.2 A,
C
LOAD
= 700 µF, R
RSET
= 49.9 kΩ
I
LOAD
VOUT
VCT
PG
R
RSET
= 49.9 kW
Temperature capacitive overload,
power limit tripped
12-V load at 1.5 A, then 140 m
F added to
load
I
LOAD
VOUT
VCT
PG
R
RSET
= 49.9 kW
12 V Startup into 15 W, 700 m
F Load
I
LOAD
VOUT
PG
EN
TPS2421-1
TPS2421-2
www.ti.com
SLUS907H –JANUARY 2009–REVISED JANUARY 2014
TYPICAL CHARACTERISTICS (continued)
Figure 5. 12-V Startup Into 15 Ω, 700-μF Load Figure 6. 12-V, 140 μF Added to 8-Ω Load
Figure 7. 12-V Faulted Startup Into 4-Ω Load Figure 8. 12-V Soft Overload, 3 A to 4.2 A, Power Limit Not
Tripped
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