Datasheet

1.2
1.21
1.22
1.23
1.24
EN-UVLOThreshold-V
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =12V
I
2.1
2.2
2.3
2.4
2.5
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
I
SS
− Slow Start Charge Current (µA)
G022
3.3
3.35
3.4
3.45
3.5
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
EN Hysteresis Current (µA)
G019
1.05
1.1
1.15
1.2
1.25
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
EN Pin Current (µA)
G020
TPS54120
SBVS180C –JANUARY 2012–REVISED JUNE 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At V
(PVIN)
= V
(VIN)
= 12 V, V
(LDOIN)
= DC-DC_OUT = 4.1 V, V
(OUT)
= 3.3 V, I
(OUT)
= 10 mA, V
(EN)
= floating, C
OUT
= 100 μF, and
C
SS
= C
NR
= 0.01µF (see Figure 28), unless otherwise noted.
EN PIN HYSTERESIS CURRENT EN PIN PULL-UP CURRENT
vs TEMPERATURE vs TEMPERATURE
Figure 19. Figure 20.
EN PIN UVLO THRESHOLD SLOW-START CHARGE CURRENT
vs TEMPERATURE vs TEMPERATURE
Figure 21. Figure 22.
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