ꢀ
ꢁꢂ
ꢃ
ꢄ
ꢅ
www.ti.com
SLOS390A – NOVEMBER 2001– REVISED MAY 2002
TYPICAL CHARACTERISTICS
EFFICIENCY
vs
EFFICIENCY
vs
LOAD RESISTANCE
LOAD RESISTANCE
100
90
100
90
P
= 2 W
O
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
P
= 1 W
O
P
= 0.5 W
P
O
= 1 W
O
P
= 0.5 W
O
P
O
= 0.25 W
V
DD
f
= 3.3 V
= 500 kHz
V
f
= 5 V
DD
= 500 kHz
S
S
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
R
L
– Load Resistance – Ω
R
L
– Load Resistance – Ω
Figure 2
Figure 3
DRAIN-SOURCE ON-STATE RESISTANCE
DRAIN-SOURCE ON-STATE RESISTANCE
vs
vs
FREE-AIR TEMPERATURE
SUPPLY VOLTAGE
300
250
300
250
V
I
= 5 V
I
T
= 1 A
= 25°C
DD
= 1 A
O
A
O
VFP Package
200
150
Total
200
150
100
Total
Low Side
High Side
Low Side
High Side
100
50
0
50
0
–40
–15
10
35
60
85
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
T – Free-Air Temperature – °C
A
V
DD
– Supply Voltage – V
Figure 4
Figure 5
6
TI [ TEXAS INSTRUMENTS ]
