DRV590_16 Datasheet, PDF (7/18 Pages) Texas Instruments – 1.2-A HIGH-EFFICIENCY PWM POWER DRIVER

DRV590
SLOS365A – AUGUST 2001 – REVISED AUGUST 2002
TYPICAL CHARACTERISTICS
SMALL-SIGNAL DRAIN-SOURCE
ON-STATE RESISTANCE
vs
SUPPLY VOLTAGE
0.9
IO = 1 A
0.8
SMALL-SIGNAL DRAIN-SOURCE
ON-STATE RESISTANCE
vs
AMBIENT TEMPERATURE
0.62
IO = 0.5 A
0.58
VDD = 5 V
DWP Package
0.7
0.54
rds(on) Low Side
0.6
rds(on) Low Side
0.5
rds(on) High Side
0.4
0.50
0.46
rds(on) High Side
0.42
0.3
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
VDD – Supply Voltage – V
Figure 6
0.38
25
35
45
55
65
75
85
TA – Ambient Temperature – °C
Figure 7
SMALL-SIGNAL DRAIN-SOURCE
ON-STATE RESISTANCE
vs
AMBIENT TEMPERATURE
0.62 _{IO = 1 A}
VDD = 3.3 V
DWP Package
0.58
0.54
rds(on) Low Side
0.50
0.46
rds(on) High Side
0.42
MAXIMUM OUTPUT CURRENT
vs
DIFFERENTIAL OUTPUT VOLTAGE
1.4
VDD = 5 V
1.2
TJ = 89°C
1.0
TJ = 102°C
0.8
0.6
TJ = 124°C
0.4
0.2
0.38
25
35
45
55
65
75
85
TA – Ambient Temperature – °C
Figure 8
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
VOD – Differential Output Voltage – V
Figure 9
www.ti.com
7