Datasheet

ENPinCurrent- Am
-3.75
-3.65
-3.55
-3.45
-3.35
-3.25
-3.15
-3.05
-2.95
-2.85
-2.75
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =5V,
Threshold+50mV
IN
V =Rising
EN
EN-PinCurrent- Am
-1.25
-1.15
-1.05
-0.95
-0.85
-0.75
-0.65
-0.55
-0.45
-0.35
-0.25
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =5V,
Threshold-50mV
IN
V =Falling
EN
40
45
50
55
60
65
70
75
80
85
90
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =3.3V
IN
EA -Transconductance- A/Vm
1.15
1.16
1.17
1.18
1.19
1.2
1.21
1.22
1.23
1.24
1.25
1.26
1.27
1.28
1.29
1.3
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =3.3V,rising
IN
V =3.3V,falling
IN
EN-Threshold-V
140
160
180
200
220
240
260
280
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =3.3V
IN
EA -Transconductance- A/Vm
0
25
50
75
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Vsense-V
VsenseFalling
VsenseRising
NormalSwitchingFrequency-%
TPS54218
SLVS974B –SEPTEMBER 2009–REVISED JULY 2013 www.ti.com
TYPICAL CHARACTERISTICS CURVES (continued)
SWITCHING FREQUENCY vs VSENSE TRANSCONDUCTANCE vs TEMPERATURE
Figure 7. Figure 8.
TRANSCONDUCTANCE (SLOW START) vs
JUNCTION TEMPERATURE ENABLE PIN VOLTAGE vs TEMPERATURE
Figure 9. Figure 10.
PIN CURRENT vs TEMPERATURE PIN CURRENT vs TEMPERATURE
Figure 11. Figure 12.
8 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links :TPS54218