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ꢀ ꢁꢂ ꢃꢄ ꢅ
SLOS390A – NOVEMBER 2001– REVISED MAY 2002
TYPICAL CHARACTERISTICS
DRAIN-SOURCE ON-STATE RESISTANCE
SUPPLY CURRENT
vs
SWITCHING FREQUENCY
vs
FREE-AIR TEMPERATURE
300
250
200
150
100
10
8
V
= 3.3 V
DD
= 1 A
No Load
I
O
VFP Package
V
DD
= 5 V
Total
6
4
V
DD
= 3.3 V
Low Side
High Side
2
0
50
0
–40
–15
10
35
60
85
100 200 300 400 500 600 700 800 900 1000
T
A
– Free-Air Temperature – °C
Switching Frequency – kHz
Figure 6
Figure 7
POWER SUPPLY REJECTION RATIO
POWER SUPPLY REJECTION RATIO
vs
vs
FREQUENCY
FREQUENCY
–20
–30
–40
–50
–60
–20
–30
–40
–50
–60
V
f
= 5 V
= 500 kHz
= 1 Ω
V
f
= 3.3 V
= 500 kHz
= 1 Ω
DD
S
L
DD
S
L
R
V
R
V
= 100 mV
pp
= 100 mV
pp
ripple
ripple
–70
–80
–70
–80
10
100
1k
10k
100k
10
100
1k
10k
100k
f – Frequency – Hz
f – Frequency – Hz
Figure 8
Figure 9
7
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