DRV593 Datasheet, PDF (8/22 Pages) Texas Instruments – 3−A HIGH−EFFICIENCY PWM POWER DRIVER

DRV593
DRV594
SLOS401A - SEPTEMBER 2002 REVISED - OCTOBER 2002
TYPICAL CHARACTERISTICS
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DRAIN-SOURCE ON-STATE RESISTANCE
vs
FREE-AIR TEMPERATURE
300
V_DD = 3.3 V
I_O = 1 A
250 ^{VFP Package}
Total
200
150
Low Side
100
High Side
50
0
- 40
- 15
10
35
60
85
T_A - Free-Air Temperature - °C
Figure 6
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
- 20
V_DD = 5 V
- 30
f_S = 500 kHz
R_L = 1 Ω
V_ripple = 100 mV_pp
- 40
- 50
- 60
- 70
- 80
10
100
1k
10k
f - Frequency - Hz
Figure 8
100k
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
10
No Load
9
8
7
6
5
4
3
2
1
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
V_DD - Supply Voltage - V
Figure 7
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
- 20
V_DD = 3.3 V
- 30
f_S = 500 kHz
R_L = 1 Ω
V_ripple = 100 mV_pp
- 40
- 50
- 60
- 70
- 80
10
100
1k
10k
f - Frequency - Hz
Figure 9
100k
8