SP4422 查看數據表（PDF） - Signal Processing Technologies
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SP4422 Datasheet PDF : 13 Pages
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The following performance curves are intended to give the designer a relative scale from which to optimize
specific applications. Absolute measurements may vary depending upon the brand of components chosen.
800
600
400
200
0
47 68
100 200 250
COSC (pf)
300 390
Lamp Frequency vs. COSC
VDD= 3.0V; Coil= 5mH, 18Ω; Load=10nF
40
30
20
10
0
47 68
100 200 250
COSC (pf)
300 390
ITOTAL vs. Cosc
VDD= 3.0V; Coil= 5mH, 18Ω; Load=10nF
250
200
150
100
50
0
47 68
100 200 250
COSC (pf)
300 390
Output Voltage vs. COSC
VDD= 3.0V; Coil= 5mH, 18Ω; Load=10nF
50
40
30
20
10
0
33 56
82 150 200 250 300 390
COSC (pf)
Luminance vs. COSC
VDD= 3.0V; Coil= 5mH, 18Ω; Load=10nF
20
15
10
5
0
2.2
3
4
5
Supply Voltage (Volts)
Luminance vs. VDD=Vcoil
VDD=3.0V; Coil=5mH, 18Ω; Load=10nF
25.5
25
24.5
24
23.5
23
22.5
1
2
3
4
5
6
Lamp Size (sq. in.)
ITOTAL vs. Lamp Size
VDD= 3.0V; Coil= 5mH, 18Ω; COSC=100pF
250
200
150
100
50
0
1
2
3
4
5
6
Lamp Size (sq. in.)
Output Voltage vs. Lamp Size.
VDD= 3.0V; Coil= 5mH, 18Ω; COSC=100pF
35
30
25
20
15
10
5
0
1
2
3
4
5
6
Lamp Size (sq. in.)
Luminance vs. Lamp Size.
VDD= 3.0V; Coil= 5mH, 18Ω; COSC=100pF
SP4422ADS/15
SP4422A Electroluminescent Lamp Driver
7
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