- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384455 > HV832X (SUPERTEX INC) Dual High Voltage, Low Noise EL Lamp Driver PDF資料下載
參數(shù)資料
| 型號： | HV832X |
| 廠商： | SUPERTEX INC |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Dual High Voltage, Low Noise EL Lamp Driver |
| 中文描述： | EL DISPLAY DRIVER, UUC |
| 封裝： | DIE |
| 文件頁數(shù)： | 6/6頁 |
| 文件大?。?/td> | 48K |
| 代理商： | HV832X |
6
HV832
1235 Bordeaux Drive, Sunnyvale, CA 94089
TEL: (408) 744-0100 FAX: (408) 222-4895
www.supertex.com
12/13/01rev.8
2001 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited.
External Component Description
External Component
Selection Guide Line
Diode
Fast reverse recovery diode, IN914 or equivalent.
Cs Capacitor
0.003
μ
F to 0.1
μ
F, 100V capacitor to GND is used to store the energy transferred from the inductor.
Lx Inductor
The inductor L
x
is used to boost the low input voltage by inductive flyback. When the internal switch is on,
the inductor is being charged. When the internal switch is off, the charge stored in the inductor will be
transferred to the high voltage capacitor C
S
. The energy stored in the capacitor is connected to the internal
H-bridge and therefore to the EL lamp. In general, smaller value inductors, which can handle more current,
are more suitable to drive larger size lamps.
Lamp
As the EL lamp size increases, more current will be drawn from the battery to maintain high voltage across
the EL lamp. The input power, (V
IN
x I
IN
), will also increase. If the input power is greater than the power
dissipation of the package (300mW), an external resistor in series with one side of the lamp is recommended
to help reduce the package power dissipation.
Split Supply Configuration
The HV832 can also be used for handheld devices operating
from a battery where a regulated voltage is available. This is
shown in Figure 2. The regulated voltage can be used to run the
internal logic of the HV832. The amount of current necessary to
run the internal logic is 150
μ
A Max at a V
DD
of 3.0V. Therefore,
the regulated voltage could easily provide the current without
being loaded down.
Figure 2: Split Supply
EL Lamp 1
+
_
C
S
1
2
3
4
8
6
5
HV832MG
7
Battery Voltage=V
IN
EL
1
V
DD
Control
GND
L
X
C
S
Com
EL
2
Regulated Voltage=V
DD
Logic Input Pulse
EL Lamp 2
L
X
C
IN
相關PDF資料 |
PDF描述 |
|---|---|
| HV832 | Dual High Voltage, Low Noise EL Lamp Driver |
| HV832DB1 | Dual EL Lamp Driver |
| HV833 | High Voltage EL Lamp Driver |
| HV833MG | High Voltage EL Lamp Driver |
| HV833X | High Voltage EL Lamp Driver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HV833 | 制造商:SUPERTEX 制造商全稱:SUPERTEX 功能描述:High Voltage EL Lamp Driver |
| HV833_07 | 制造商:SUPERTEX 制造商全稱:SUPERTEX 功能描述:High Voltage EL Lamp Driver |
| HV833DB1 | 功能描述:電源管理IC開發(fā)工具 HV833 Demo Brd RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| HV833MG | 功能描述:顯示驅(qū)動器和控制器 HVCMOS RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| HV833MG-G | 功能描述:顯示驅(qū)動器和控制器 HVCMOS RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復。