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HV861K7-G PDF预览

HV861K7-G

更新时间： 2024-11-04 02:54:39
品牌 Logo 应用领域
超科 - SUPERTEX 驱动器
页数 文件大小 规格书
7页 680K
描述
Dimmable, Low Noise, Dual EL Lamp Driver

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中文翻译

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HV861K7-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：QFN
包装说明：HVQCCN,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.39
接口集成电路类型：EL DISPLAY DRIVERJESD-30 代码：S-XQCC-N16
JESD-609代码：e3长度：3 mm
复用显示功能：NO功能数量：2
区段数：1端子数量：16
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：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, 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：0.8 mm最大供电电压：4.5 V
最小供电电压：2.5 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：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

HV861K7-G 数据手册

 浏览型号HV861K7-G的Datasheet PDF文件第2页浏览型号HV861K7-G的Datasheet PDF文件第3页浏览型号HV861K7-G的Datasheet PDF文件第4页浏览型号HV861K7-G的Datasheet PDF文件第5页浏览型号HV861K7-G的Datasheet PDF文件第6页浏览型号HV861K7-G的Datasheet PDF文件第7页 
HV861  
Dimmable, Low Noise, Dual EL Lamp Driver  
The device uses a single inductor and a minimum number of  
passive components. Using the internal reference voltage,  
the regulated output voltage is at a nominal value of 90V.  
The EL Lamps will therefore see 90V. The two EL Lamps  
can be turned ON and OFF using two CMOS logic inputs,  
EN1 and EN2. The driver is disabled when both EN1 and  
EN2 are at logic low.  
Features  
► Adjustable output regulation for dimming  
► Lamp fade-in/fade-out capability  
► Low audible noise  
► 180VPP output voltage for higher brightness  
► 1.5V enable input logic high  
► Single cell lithium ion compatible  
► One miniature inductor to power both lamps  
► Separately adjustable lamp and converter frequencies  
► Split supply capability  
The HV861 has two internal oscillators, a switching MOSFET,  
and two high voltage EL Lamp driver H-bridges. Each driver  
has its own half bridge common output, COM1 and COM2,  
which significantly minimizes the DC offset seen by the EL  
Lamp. 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 between the REL-osc pin  
and the VDD pin. An external inductor is connected between  
the LX and VDD pins or VIN for split supply applications.  
Depending upon the EL Lamp sizes, a 1.0nF to 10.0nF  
capacitor is connected between the CS and ground.  
► 16-Lead QFN package  
Applications  
► Dual display cellular phones  
► Keypad and LCD backlighting  
► PDAs  
► Handheld wireless communication products  
► Global Positioning Systems (GPS)  
As 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.  
General Description  
The Supertex HV861 is a low noise, dimmable, high  
voltage, dual EL Lamp driver designed for driving two  
electroluminescent (EL) Lamps with a combined area of 5.0  
square inches. The input supply voltage range is from 2.5V  
to 4.5V. Enable input logic high can go as low as 1.5V, which  
allows logic interface operating from typical 1.8V supplies.  
The device is designed to minimize audible noise emitted by  
the EL Lamps.  
EL Lamp dimming can be accomplished by applying a PWM  
logic signal to the PWM pin. The EL Lamp brightness will be  
proportional to the PWM duty cycle. The HV861 can also  
slowly turn the EL Lamp ON/OFF giving a fade ON/OFF  
appearance.  
Typical Application Circuit  
VIN = 3.2V to 4.2V  
100µH Coilcraft  
1N4148  
4.7µF  
LPS4012  
3.3MΩ  
3.3nF  
100V NPO  
15  
14  
7
8
VREG VOUT LX  
CS  
12  
3
1
2
EL1  
VDD  
V
DD = 3.0V  
2.0MΩ  
EL1  
EL2  
REL-osc  
RSW-osc  
11  
9
0.1µF  
COM1  
EL2  
825kΩ  
Input Logic Control:  
ON = 1.5V to VDD  
OFF = 0V to 0.2V  
4
5
EN1  
EN2  
VREF PWM  
10  
COM2  
GND  
16  
13  
6
2.2µF  
HV861K7-G  
1234567

中文翻译

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HV861K7-G 替代型号

型号 品牌 替代类型 描述 数据表
HV862K7-G SUPERTEX

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