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HV835K7-G

更新时间： 2024-11-04 03:04:07
品牌 Logo 应用领域
超科 - SUPERTEX 显示驱动器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
6页 239K
描述
Low Noise Dual EL Lamp Driver

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中文翻译

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HV835K7-G 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：HVSON,
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.49Is Samacsys：N
数据输入模式：SERIAL接口集成电路类型：EL DISPLAY DRIVER
JESD-30 代码：S-PDSO-N8JESD-609代码：e3
长度：3 mm复用显示功能：NO
功能数量：1区段数：2
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：0.85 mm
最大供电电压：5.8 V最小供电电压：2 V
标称供电电压：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mm最小 fmax：0.23 MHz
Base Number Matches：1

HV835K7-G 数据手册

 浏览型号HV835K7-G的Datasheet PDF文件第2页浏览型号HV835K7-G的Datasheet PDF文件第3页浏览型号HV835K7-G的Datasheet PDF文件第4页浏览型号HV835K7-G的Datasheet PDF文件第5页浏览型号HV835K7-G的Datasheet PDF文件第6页 
Supertex inc.  
HV835  
Initial Release  
Low Noise Dual EL Lamp Driver  
Features  
► Low audible noise  
General Description  
The Supertex HV835 is a high voltage driver designed for driving  
two EL lamps with a combined area of 3.5 square inches. The  
input supply voltage range is from 2.0V to 5.8V. The device is  
designed to reduce the amount of audible noise emitted by the  
lamp. This device uses a single inductor and a minimum num-  
ber of passive components to drive two EL lamps. The nominal  
regulated output voltage of 80V is applied to the EL lamps.  
The two EL lamps can be turned ON and OFF by the two logic  
input control pins, C1 and C2. The device is disabled when both  
C1 and C2 (pins 1 and 4) are at logic low.  
► Independent input control for lamp selection  
► 160VPP output voltage  
► Split supply capability  
► Patented output timing  
► One miniature inductor to power both lamps  
► Low shutdown current  
► Wide input voltage range 2.0V to 5.8V  
► Output voltage regulation  
► No SCR output  
► Available in MLP/DFN-10 package  
The HV835 has an internal oscillator, a switching MOSFET, and  
two high voltage EL lamp drivers. Each driver has its own half  
bridge common output (COM1 and COM2) connected to a single  
pin called COM which minimizes the DC offset seen by the EL  
lamp.An external resistor connected between the RSW-OSC pin and  
the voltage supply pin, VDD, sets the frequency for the switching  
MOSFET. The EL lamp driver frequency is set by dividing the  
MOSFET switching frequency by 512. An external inductor is  
connected between the LX and the VDD pins. Depending on the EL  
lamp size, a 1.0 to 10.0nF, 100V capacitor is connected between  
C and Ground. The switching MOSFET charges the external  
inSductor and discharges it into the capacitor at C . The voltage  
at CS increases. Once the voltage at C reaches aSnominal value  
of 80V, the switching MOSFET is turneSd OFF to conserve power.  
Applications  
► Dual display cellular phones  
► Keypad and LCD backlighting  
► Portable instrumentation  
► Dual segment lamps  
► Handheld wireless communication devices  
Typical Application Circuit  
3.3MΩ  
1.0µF  
EL Lamp 1  
1.5V  
0
3.3MΩ  
1.5V  
0
1
2
3
10  
C1  
EL1  
EL2  
1.0µF  
9
8
7
6
VDD  
EL Lamp 2  
845kΩ  
CDD  
0.1µF  
+
-
Com  
RSW-OSC  
VDD  
4
5
CS  
LX  
C2  
D
GND  
HV835K7-G  
LX  
330µH  
CIN  
4.7µF  
+
-
CS  
3.3nF, 100V  
VIN  
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: (408) 222-8888 FAX: (408) 222-4895 www.supertex.com  
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中文翻译

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