Datasheet

TPS62040
TPS62042, TPS62043
TPS62044, TPS62046
SLVS463B − JUNE 2003 − REVISED OCTOBER 2005
www.ti.com
8
Figure 7
1.18
1.18
1.19
1.19
1.20
1.20
1.21
1.21
1.22
1.22
1.23
1.23
2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.7 6
f − Switching Frequency − MHz
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
V
I
− Input Voltage − V
T
A
= 85°C
T
A
= 25°C
T
A
= −40°C
Figure 8
2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.7 6
P-CHANNEL r
DS(on)
vs
INPUT VOLTAGE
V
I
− Input Voltage − V
T
A
= 85°C
T
A
= 25°C
T
A
= −40°C
0.080
0.090
0.100
0.110
0.120
0.130
0.140
0.150
0.160
0.170
0.180
ΩDS(on) −
P−Channel r
Figure 9
2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.7 6
N-CHANNEL RECTIFIER r
DS(on)
vs
INPUT VOLTAGE
V
I
− Input Voltage − V
T
A
= 85°C
T
A
= 25°C
T
A
= −40°C
N-Channel Rectifier r
Ω
0.050
0.060
0.070
0.080
0.090
0.100
0.110
0.120
0.130
0.140
0.150
DS(on) −