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HV860K7-G PDF预览

HV860K7-G

更新时间: 2024-11-04 02:52:07
品牌 Logo 应用领域
超科 - SUPERTEX 驱动器接口集成电路
页数 文件大小 规格书
7页 315K
描述
Low Noise Dimmable EL Lamp Driver

HV860K7-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:12
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.74
其他特性:SPLIT SUPPLY CAPABILITY接口集成电路类型:EL DISPLAY DRIVER
JESD-30 代码:S-XQCC-N12JESD-609代码:e3
长度:3 mm复用显示功能:NO
功能数量:1区段数:1
端子数量:12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 mmBase Number Matches:1

HV860K7-G 数据手册

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Supertex inc.  
HV860  
Initial Release  
Low Noise Dimmable EL Lamp Driver  
The HV860 has two internal oscillators, a switching  
MOSFET, and a high voltage EL lamp driver H-bridge. The  
frequency for the switching MOSFET is set by an external  
resistor connected between the RSW-OSC pin and the supply  
pin V . The EL lamp driver frequency is set by an external  
external inductor is connectedELb-OeStCween the LDXDand VDD  
pins or VIN for split supply applications. A 3.0nF capacitor  
is connected between CS and ground. The EL lamp is  
connected between VA and VB.  
Features  
► Adjustable output regulation for dimming  
► 220VPP output voltage for higher brightness  
► Single cell lithium ion compatible  
► 150nA shutdown current  
► Separately adjustable lamp and converter frequencies  
► 3x3 QFN-12 package  
► Split supply capability  
resistDoDr connected between R  
pin and V pin. An  
Applications  
► Mobile cellular phone keypads  
► PDAs  
► Handheld wireless communication products  
► Global Positioning Systems (GPS)  
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 110V, the switching MOSFET is turned OFF to  
conserve power. The outputs VA and V are configured as  
an H bridge and are switching in opposiBte states to achieve  
110V across the EL lamp.  
General Description  
EL lamp dimming can be accomplished by changing the  
input voltage to the VREG pin. The VREG pin allows an external  
voltage source to control the V amplitude. The VCS voltage  
The Supertex HV860 is a high voltage driver designed for  
driving Electroluminescent, (EL), lamps of up to 5 square  
inches. The input supply voltage range is from 2.5V to 4.5V.  
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 voltage of 110V.  
The EL lamp will therefore see 110V. An enable pin, (EN),  
is available to turn the device on and off via a logic signal.  
is approximately 87 times the CvSoltage seen on VREG  
.
Typical Application Circuit  
VIN  
CIN  
LX  
D
RREG  
2
3
5
CS  
VREG  
VDD  
VREF LX  
CS  
10  
12  
7
VDD  
RSW  
CDD  
RSW-OSC  
REL-OSC  
EN  
9
8
VA  
VB  
1
EL  
Lamp  
REL  
1.5V = On  
0V = Off  
11  
GND  
4
HV860K7  
NR040306  
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: (408) 222-8888 FAX: (408) 222-4895 www.supertex.com  
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