HV839MG-G 查看數據表（PDF） - Supertex Inc
零件编号
产品描述 (功能)
生产厂家
HV839MG-G Datasheet PDF : 9 Pages
| |||
Functional Block Diagram
VDD
C1
C2
RSW-Osc
Control Logic
& Switch-Osc
GND
Disable
LX
VSENSE
VREF
Logic Control &
Divide by 128
Output
Drivers
CS
EL1
VCS
EL2
VCS
COM
HV839
Function Table
C1
C2
0
0
0
1
1
0
1
1
EL1
EL2
COM
IC
Hi Z
Hi Z
Hi Z
OFF
Hi Z
ON
ON
ON
ON
Hi Z
ON
ON
ON
ON
ON
ON
Fig. 1: Test Circuit
VEN = ON
0 = OFF
VEN = ON
0 = OFF
+
0.1µF
VDD
-
+
4.7µF
VIN
-
220kΩ
1 C1
2 VDD
3 RSW-Osc
4 C2
5 GND
EL1 10
EL2 9
COM 8
CS 7
6
LX
HV839
EL Lamp 1 (1.3 in2)3
EL Lamp 2 (0.9in2)3
IN9141
220µH2
3.3nF,
100V
1. or any (equivalent or better) > 90V, fast recovery diode
2. Murata LQH32CN221K21
3. The bigger sized lamp should be tied to EL1 and the smaller
sized lamp to EL2 terminals (pins 10 and 9 respectively)
Device
HV839MG-G or
HV839K6-G
Lamp
EL1
Both EL1 and EL2 ON
VIN = VDD
3.0V
IIN
29.6mA
45.0mA
VCS
85.8
76.2
fEL
500Hz
Brightness
13.68ft-lm
12.66ft-lm
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
4
Share Link: 