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HV833X

更新时间： 2024-09-20 22:48:27
品牌 Logo 应用领域
超科 - SUPERTEX 驱动器高压
页数 文件大小 规格书
9页 501K
描述
High Voltage EL Lamp Driver

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中文翻译

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HV833X 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Transferred零件包装代码：DIE
包装说明：DIE,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.73接口集成电路类型：EL DISPLAY DRIVER
JESD-30 代码：X-XUUC-NJESD-609代码：e0
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：-25 °C封装主体材料：UNSPECIFIED
封装代码：DIE封装形状：UNSPECIFIED
封装形式：UNCASED CHIP峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified最大供电电压：6.5 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：OTHER
端子面层：TIN LEAD端子形式：NO LEAD
端子位置：UPPER处于峰值回流温度下的最长时间：NOT SPECIFIED
最小 fmax：0.001 MHzBase Number Matches：1

HV833X 数据手册

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HV833  
High Voltage EL Lamp Driver  
Features  
General Description  
❏ 1.8V to 6.5V operating supply voltage  
❏ DC to AC conversion  
The Supertex HV833 is a high voltage driver designed for driving  
EL lamps of up to 35nF (10-12in2). The input supply voltage  
range is from 1.8V to 6.5V. 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 ±90V.  
The chip can be enabled/disabled by connecting the resistor on  
RSW-OSC to VDD/ground.  
❏ Separately adjustable lamp and converter frequency  
❏ Output voltage regulation  
❏ Enable/disable function  
❏ Patented output timing for high efficiency  
❏ <100nA shutdown current  
The HV833 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  
driverfrequencyissetbyanexternalresistorconnectedbetween  
REL-osc pin and the VDD pin. An external inductor is connected  
between the LX and VDD or VIN pins. A 0.003-0.1µF capacitor is  
connected between CS and ground. The EL lamp is connected  
between VA and VB.  
❏ Split supply capability  
❏ LCD backlighting  
Applications  
❏ 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  
90V, 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 180V peak-to-peak  
across the EL lamp.  
❏ PDAs  
❏ Global Positioning Systems (GPS)  
Typical Application  
Enable Signal  
ON=VDD  
OFF=0  
VDD  
VDD  
1
VA  
8
EL Lamp  
RSW-osc  
VB  
CS  
LX  
7
6
5
2
3
4
+
VIN  
REL-osc  
Gnd  
1N914  
HV833MG  
L
X  
Cs  
100V  
05/02/02  
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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