HV803
Figure 2: Typical 5.0V Application*
ON = VDD
OFF = 0V
2MΩ
VIN = 5.0V
560µH1
750KΩ
1N4148
0.1µF2
0.1µF
100V
1 VDD REL-osc 8
2 RSW-osc
VA 7
3 Cs
VB 6
4 Lx
GND 5
1nF HV803
2.0KΩ
Note:
1. Murata part # LQH4N561K04 (DC resistance < 14.5Ω)
2. Larger values may be required depending upon supply impedance.
– OBSOLETE – For additional information, see application note AN-H33.
Typical Performance Curves for Figure 2
6 in2 lamp
VCS vs. VIN
90
85
80
75
70
65
4
5
6
7
8
VIN (V)
Brightness vs. VIN
8
7.5
7
6.5
6
5.5
4
5
6
7
8
VIN (V)
40
38
36
34
32
30
4
40
38
36
34
32
30
70
IIN vs. VIN
5
6
7
VIN (V)
IIN vs. VCS (V)
75
80
85
VCS (V)
8
15
90
15-5