DRV593
DRV594
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SLOS401A - SEPTEMBER 2002 REVISED - OCTOBER 2002
TYPICAL CHARACTERISTICS
EFFICIENCY
vs
EFFICIENCY
vs
LOAD RESISTANCE
LOAD RESISTANCE
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
P
= 2 W
O
P
= 1 W
O
P
= 0.5 W
P
O
= 1 W
O
P
= 0.5 W
O
P
O
= 0.25 W
V
f
= 3.3 V
= 500 kHz
V
= 5 V
= 500 kHz
DD
DD
f
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
V
I
= 5 V
= 1 A
I
= 1 A
DD
O
T = 25°C
O
A
VFP Package
250
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
A
- Free-Air Temperature - °C
V
DD
- Supply Voltage - V
Figure 4
Figure 5
7
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