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HV839K6-G PDF预览

HV839K6-G

更新时间: 2024-11-04 03:14:59
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 349K
描述
High Voltage Dual EL Lamp Driver

HV839K6-G 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:SON
包装说明:HVSON,针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.69
接口集成电路类型:EL DISPLAY DRIVERJESD-30 代码:S-XDSO-N10
JESD-609代码:e3长度:3 mm
功能数量:1端子数量:10
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: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:1 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 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
Base Number Matches:1

HV839K6-G 数据手册

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HV839  
High Voltage Dual EL Lamp Driver  
Features  
General Description  
The Supertex HV839 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 minimum number of  
passive components to drive two EL lamps. The  
nominal regulated output voltage of ±90V 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  
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 small packages (10-lead MSOP and  
10-lead DFN/MLP)  
Applications  
The HV839 has an internal oscillator, a switching  
MOSFET, and two high voltage EL lamp drivers. 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  
128. 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  
CS and Ground. The two EL lamps are connected  
between EL1 to Com and EL2 to Com. The switching  
MOSFET charges the external inductor and  
discharges it into the capacitor at CS. The voltage at  
CS increases. Once the voltage at CS reaches a  
nominal value of 90V, the switching MOSFET is  
turned OFF to conserve power. The outputs EL1 to  
Com and EL2 to Com are configured as H bridges and  
switch in opposite states to achieve 180V across the  
EL lamp.  
Mobile cellular phones, dual display  
Keypad and LCD backlighting  
Portable instrumentation  
Dual segment lamps  
Hand held wireless communication devices  
Typical Application Circuit  
A033106  

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