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HV825

更新时间： 2024-01-20 17:59:11
品牌 Logo 应用领域
超科 - SUPERTEX 驱动器高压
页数 文件大小 规格书
4页 330K
描述
High Voltage EL Lamp Driver

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HV825 技术参数

生命周期：Active包装说明：DIE,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
接口集成电路类型：EL DISPLAY DRIVERJESD-30 代码：X-XUUC-N
复用显示功能：NO功能数量：1
最高工作温度：85 °C最低工作温度：-20 °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：1.6 V
最小供电电压：1 V标称供电电压：1.5 V
表面贴装：YES技术：CMOS
温度等级：OTHER端子形式：NO LEAD
端子位置：UPPER最小 fmax：0.03 MHz
Base Number Matches：1

HV825 数据手册

 浏览型号HV825的Datasheet PDF文件第2页浏览型号HV825的Datasheet PDF文件第3页浏览型号HV825的Datasheet PDF文件第4页 
HV825  
High Voltage EL Lamp Driver  
Ordering Information  
Package Options  
MSOP-8  
Device  
Input Voltage  
8-Lead SO  
Die  
HV825  
1.0 to 1.6V  
HV825LG  
HV825MG*  
HV825X  
* Product supplied on 2500 piece carrier tape reels.  
Features  
General Description  
❏
❏
❏
❏
❏
❏
❏
Processed with HVCMOS® technology  
1.0V to 1.6V operating supply voltage  
DC to AC conversion  
The Supertex HV825 is a high voltage driver designed for driving  
EL lamps typically up to 6nF. The input supply voltage range is  
from 1.0V to 1.6V. The device uses a single inductor and a  
minimum number of passive components. Typical output  
voltage that can be applied to the EL lamp is 56V.  
Output load of typically up to 6nF  
Adjustable output lamp frequency  
Adjustable converter frequency  
Enable function  
The HV825 can be enabled/disabled by connecting the RSW-osc  
resistor to VDD/ground.  
The HV825 has two internal oscillators, a switching bipolar  
junction transistor (BJT), and a high voltage EL lamp driver. The  
frequency for the switching BJT 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  
between REL-osc pin and the VDD pin. An external inductor is  
connected between the LX and VDD pins. A 0.01 to 0.1µF, 100V  
capacitor is connected between CS and ground. The EL lamp is  
connected between VA and VB.  
Applications  
❏
❏
❏
❏
❏
Pagers  
Portable Transceiver  
Cellular phones  
Remote control units  
Calculators  
The switching BJT charges the external inductor and discharges  
it into the 0.01 to 0.1µF, 100V capacitor at CS. The voltage at CS  
will start to increase. The outputs VA and VB are configured as  
an H-bridge and are switching in opposite states to achieve a  
peak-to-peak voltage of two times the VCS voltage across the EL  
lamp.  
Absolute Maximum Ratings*  
Supply voltage, VDD  
-0.5V to +2.5V  
Operating Temperature Range  
Storage Temperature Range  
MSOP-8 Power Dissipation  
SO-8 Power Dissipation  
-25°C to +85°C  
-65°C to +150°C  
300mW  
Pin Configuration  
1
2
3
4
8
7
6
5
VDD  
RSW-osc  
Cs  
REL-osc  
VA  
400mW  
Note:  
VB  
*All voltages are referenced to GND.  
Lx  
GND  
top view  
SO-8/MSOP-8  
For detailed circuit and application information, please refer  
to application notes AN-H33 and AN-H34.  
11/12/01  
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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