DRV592_12 Datasheet, PDF (7/16 Pages) Texas Instruments – +- 3-A HIGH EFFICIENCY H-BRIDGE

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DRV592
SLOS390A – NOVEMBER 2001– REVISED MAY 2002
TYPICAL CHARACTERISTICS
DRAIN-SOURCE ON-STATE RESISTANCE
vs
FREE-AIR TEMPERATURE
300
VDD = 3.3 V
IO = 1 A
250 ^{VFP Package}
Total
200
150
Low Side
100
High Side
50
0
–40
–15
10
35
60
85
TA – Free-Air Temperature – °C
Figure 6
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
–20
VDD = 5 V
–30
fS = 500 kHz
RL = 1 Ω
Vripple = 100 mVpp
–40
–50
–60
–70
–80
10
100
1k
10k
f – Frequency – Hz
Figure 8
100k
SUPPLY CURRENT
vs
SWITCHING FREQUENCY
10
No Load
8
VDD = 5 V
6
VDD = 3.3 V
4
2
0
100 200 300 400 500 600 700 800 900 1000
Switching Frequency – kHz
Figure 7
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
–20
VDD = 3.3 V
–30
fS = 500 kHz
RL = 1 Ω
Vripple = 100 mVpp
–40
–50
–60
–70
–80
10
100
1k
10k
f – Frequency – Hz
Figure 9
100k
7