Datasheet

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
NominalSwitchingFrequency-%
200
400
600
800
1000
1200
1400
1600
1800
2000
100 200 300 400 500 600 700 800
Resistance (kΩ)
Frequency (kHz)
G000
0.791
0.793
0.795
0.797
0.799
0.801
0.803
0.805
0.807
Vin = 3.3 V
V - Voltage Reference - V
ref
-50 -25 0 25 50 75 100 125 150
T - Junction Temperature - °C
J
Vin = 2.95 V
25
50
75
100 125 150
T - Junction Temperature - °C
J
8
8.5
9
9.5
10
10.5
11
11.5
12
High Side Switching Current - A
Vin = 6 V
-50 -25 0 25 50 75 100 125 150
T - Junction Temperature - °C
J
High Side Rdson Vin = 3.3 V
Low Side Rdson Vin = 3.3 V
0.005
0.007
0.009
0.011
0.013
0.015
0.017
0.019
0.021
0.023
0.025
RDSON - Static Drain-Source On-State Resistance - W
High Side Rdson Vin = 5 V
Low Side Rdson Vin = 5 V
475
480
485
490
495
500
505
510
515
520
525
RT = 400 k ,
Vin = 5 V
W
-50 -25 0 25 50 75 100 125 150
T - Junction Temperature - °C
J
f - Switching Frequency - kHz
s
TPS54618
www.ti.com SLVSAE9D –NOVEMBER 2010–REVISED DECEMBER 2013
TYPICAL CHARACTERISTICS CURVES
HIGH SIDE AND LOW SIDE R
DS(ON)
vs TEMPERATURE FREQUENCY vs TEMPERATURE
Figure 1. Figure 2.
HIGH SIDE CURRENT LIMIT vs TEMPERATURE VOLTAGE REFERENCE vs TEMPERATURE
Figure 3. Figure 4.
SWITCHING FREQUENCY vs
RT RESISTANCE LOW FREQUENCY RANGE SWITCHING FREQUENCY vs VSENSE
Figure 5. Figure 6.
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