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HV828X PDF预览

HV828X

更新时间： 2024-11-04 20:51:51
品牌 Logo 应用领域
超科 - SUPERTEX 驱动接口集成电路
页数 文件大小 规格书
4页 46K
描述
EL Driver, 1-Segment, DIE

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中文翻译

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HV828X 技术参数

生命周期：Obsolete零件包装代码：DIE
包装说明：DIE,Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84接口集成电路类型：EL DISPLAY DRIVER
JESD-30 代码：X-XUUC-N复用显示功能：NO
功能数量：1区段数：1
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：DIE
封装形状：UNSPECIFIED封装形式：UNCASED CHIP
认证状态：Not Qualified最大供电电压：3.5 V
最小供电电压：1.8 V标称供电电压：3 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：NO LEAD端子位置：UPPER
Base Number Matches：1

HV828X 数据手册

 浏览型号HV828X的Datasheet PDF文件第2页浏览型号HV828X的Datasheet PDF文件第3页浏览型号HV828X的Datasheet PDF文件第4页 
HV828  
Preliminary  
High-Voltage, Low Noise EL Lamp Driver  
Ordering Information  
Package Options  
SO-8  
Device  
MSOP-8  
Die  
HV828  
HV828MG*  
HV828LG  
HV828X  
* Product supplied on 1000 piece carrier tape reels.  
Features  
General Description  
❏ 1.8V to 3.5V operating supply voltage  
The Supertex HV828 is a high voltage driver designed for driving  
EL lamps of up to 5 in2. The input supply voltage range is from  
1.8V to 3.5V. The device is designed to reduce the amount of  
audible noise emitted by the lamp. 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 RSW-OSC to VDD/ground.  
❏ Low noise  
❏ DC to AC conversion  
❏ Adjustable output frequency  
❏ Adjustable switch frequency  
❏ Output voltage regulation  
❏ Enable/disable function  
The HV828 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 RSW-osc pin and the supply pin VDD. The EL lamp  
driver frequency is set by an external resistor connected be-  
tween REL-osc pin and the VDD pin. An external inductor is con-  
nected between the LX and VDD pins. A 0.01-0.1µF capacitor is  
connected between CS and ground. The EL lamp is connected  
between VA and VB.  
Applications  
❏ Mobile cellular phones  
❏ Pagers  
❏ Portable Transceivers  
❏ Remote Control Units  
❏ Calculators  
The switching MOSFET charges the external inductor and  
discharges it into the capacitor at CS. The voltage at CS will start  
to increase. Once the voltage at CS reaches a nominal value of  
80V, the switching MOSFET is turned OFF to conserve power.  
The outputs VA and VB are configured as an H bridge and are  
switching in opposite states to achieve 160V peak-to-peak  
across the EL lamp.  
Pin Configuration  
Absolute Maximum Ratings*  
Supply Voltage, VDD  
-0.5V to +4.5V  
Output Voltage, VCs  
-0.5V to +120V  
-25° to +85°C  
-65°C to +150°C  
250mW  
ςΑ  
Operating Temperature Range  
Storage Temperature Range  
MSOP-8 Power Dissipation  
SO-8 Power Dissipation  
VDD  
RSW-osc  
REL-osc  
Gnd  
1
2
3
4
8
7
6
5
VA  
VB  
CS  
LX  
MSOP-8  
and  
SO-8  
400mW  
Note:  
*All voltages are referenced to GND.  
Top View  
08/03/00  
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.  
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