HV823 データシートの表示（PDF） - Supertex Inc
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HV823 Datasheet PDF : 8 Pages
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HV823
Fig. 1: Test Circuit, VIN = 3.0V (Low input current with moderate output brightness)
ON = VDD
OFF = 0V
2.0MΩ
VDD = VIN = 3.0V
560µH1
750KΩ
0.1µF2
1N4148
0.1µF
100V
1 VDD
REL-Osc 8
2 RSW-Osc
VA 7
3 CS
VB 6
4 LX
GND 5
HV823
For additional information, see Application Notes AN-H33 and AN-H34.
2.0KΩ
10nF
Equivalent to
3 square inch lamp.
Typical Performance
Lamp Size
3.0in2
VIN
3.0V
IIN
25mA
Notes:
1. Murata part # LQH4N561K04 (DC resistance < 14.5Ω)
2. Larger values may be required depending upon supply impedance.
VCS
65V
fEL
385Hz
Brightness
6.5ft-lm
Typical Performance Curves for Fig. 1 using 3.0in2 EL Lamp
VCS vs. VIN
90
IIN vs. VIN
30
80
70
60
50
40
1
2
3
4
5
6
7
8
9
VIN (V)
25
20
15
10
5
0
1
2
3
4
5
6
7
8
9
VIN (V)
Brightness vs. VIN
12
10
8
6
4
2
0
1
2
3
4
5
6
7
8
9
VIN (V)
IIN vs. VCS (V)
30
25
20
15
10
5
0
40
50
60
70
80
90
VCS (V)
IIN, VCS, Brightness vs. Inductor Value
90
9.0
80
8.0
70
VCS (V)
7.0
60
6.0
50
5.0
40
Brightness (ft-lm)
4.0
30
3.0
20
2.0
10
IIN (mA)
1.0
0
100
250
400
550
0
700
850
1000
Inductor Value (µH)
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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