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參數(shù)資料
| 型號： | HV826 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | High-Voltage EL Lamp Driver(輸入電壓1.8-3.5V,高壓電致反光燈驅(qū)動器) |
| 中文描述： | 高電壓發(fā)光燈驅(qū)動器（輸入電壓1.8 - 3.5V的，高壓電致反光燈驅(qū)動器） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 58K |
| 代理商： | HV826 |
HV826
HV826
High-Voltage EL Lamp Driver
Features
1.8V to 3.5V operating supply voltage
DC to AC conversion
Adjustable output frequency
Adjustable switch frequency
Output voltage regulation
Enable/disable function
General Description
The Supertex HV826 is a high voltage driver designed for driving
EL lamps. The input supply voltage range is from 1.8V to 3.5V.
The device uses a single inductor and a minimum number of
passive components. The nominal regulated output voltage that
is applied to the EL lamp is
±
80V. The chip can be enabled/
disabled by connecting the resistor on R
SW-OSC
to V
DD
/ground.
The HV826 has two internal oscillators, a switching MOSFET,
and a high voltage EL lamp driver. The frequency for the
switching MOSFET is set by an external resistor connected
between the R
pin and the supply pin V
. The EL lamp
driver frequency is set by an external resistor connected be-
tween R
pin and the V
pin. An external inductor is con-
nected between the L
X
and V
pins. A 0.01-0.1
μ
F capacitor is
connected between C
S
and ground. The EL lamp is connected
between V
A
and V
B
.
The switching MOSFET charges the external inductor and
discharges it into the capacitor at C
S
. The voltage at C
will start
to increase. Once the voltage at C
reaches a nominal value of
80V, the switching MOSFET is turned OFF to conserve power.
The outputs V
and V
are configured as an H bridge and are
switching in opposite states to achieve 160V peak-to-peak
across the EL lamp.
Applications
Mobile cellular phones
Pagers
Portable Transceivers
Remote Control Units
Calculators
Absolute Maximum Ratings*
Supply Voltage, V
DD
Output Voltage, V
Cs
Operating Temperature Range
-0.5V to +4.5V
-0.5V to +100V
-25
°
to +85
°
C
-65
°
C to +150
°
C
Storage Temperature Range
MSOP-8 Power Dissipation
250mW
SO-8 Power Dissipation
400mW
Note
:
*All voltages are referenced to GND.
Package Options
Device
MSOP-8
SO-8
Die
HV826
HV826MG*
HV826LG
HV826X
* Product supplied on 1000 piece carrier tape reels.
Ordering Information
Pin Configuration
Α
V
DD
V
A
V
B
C
S
L
X
R
SW-osc
R
EL-osc
Gnd
1
2
3
4
8
7
6
5
MSOP-8
and
SO-8
Top View
10/04/00
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability
indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to
workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the
Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HV826 | High Voltage EL Lamp Driver |
| HV826LG | High Voltage EL Lamp Driver |
| HV826MG | High Voltage EL Lamp Driver |
| HV826X | RF Choke; Series:Z; Inductance:44uH; Inductance Tolerance:+/- 10 %; DC Current Rating:0.68A; Self Resonant Frequency:23MHz; Package/Case:Axial Lead; Terminal Type:Wire Leads; Current Rating:0.68A; DC Resistance Max:2.6ohm |
| HV829A | High Voltage EL Lamp Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HV826DB1 | 功能描述:電源管理IC開發(fā)工具 HV826 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 |
| HV826LG | 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| HV826LG-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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| HV826MG | 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| HV826MG-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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
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