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Компоненты Описание
HV857L(2013) Просмотр технического описания (PDF) - Supertex Inc
Номер в каталоге
Компоненты Описание
производитель
HV857L
(Rev.:2013)
Low Noise, High Voltage EL Lamp Driver IC
Supertex Inc
HV857L Datasheet PDF : 8 Pages
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Fig. 1: Typical Application/ Test Circuit
ON = V
DD
OFF = 0V
+
V
DD
-
+
V
IN
-
Enable Signal
0.1µF
560kΩ
4.7µF
2.0MΩ
1
VDD
8
VA
2
HV857L
RSW-Osc VB
7
3
REL-Osc
6
CS
4
GND
5
LX
* Murata Inductor LQH32CN221K21
HV857L
3.0in
2
EL lamp
BAS21
220µH*
3.3nF
100V
Typical Performance
Device
Lamp Size
V
DD
= V
IN
I
IN
V
CS
HV857LMG-G
3.0in
2
3.3V
25.40mA
92V
f
EL
205Hz
Brightness
5.70ft-lm
Typical Performance Curves for Fig. 1
(EL Lamp = 3.0in
2
, V
DD
= 3.0V)
V
CS
vs V
IN
105
33
I
IN
vs V
IN
95
28
85
23
75
65
18
55
13
1.5
2.5
3.5
4.5
5.5
1.5
2.5
3.5
4.5
5.5
V
IN
(V)
V
IN
(V)
7
Brightness vs V
IN
6
5
4
3
2
1
1.5
2.5
3.5
4.5
5.5
V
IN
(V)
I
IN
vs V
CS
34
29
24
19
14
5.5
6.5
7.5
8.5
V
CS
(V)
9.5
10.5
Doc.# DSFP-HV857L
A062013
Supertex inc.
4
www.supertex.com
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