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HV850MG-G PDF预览

HV850MG-G

更新时间: 2024-02-23 00:02:21
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路
页数 文件大小 规格书
7页 560K
描述
EL DISPLAY DRIVER, PDSO8

HV850MG-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:TSSOP
包装说明:TSSOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.35
接口集成电路类型:EL DISPLAY DRIVERJESD-30 代码:S-PDSO-G8
JESD-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:8
最高工作温度:85 °C最低工作温度:-25 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.1 mm最大供电电压:4.2 V
最小供电电压:3 V标称供电电压:3.5 V
表面贴装:YES温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 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

HV850MG-G 数据手册

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Supertex inc.  
HV850  
High Voltage, Low Noise,  
Inductorless EL Lamp Driver  
Features  
General Description  
No external components required when using an  
The Supertex HV850 is a high voltage electroluminescent  
(EL) Lamp Driver IC. It is designed to drive EL lamps of up to  
1.5in2, with capacitive values up to 5.0nF. The HV850 converts  
a low voltage DC input to a high voltage AC output across an  
EL lamp. It uses a charge pump scheme to boost the input  
voltage, eliminating the need for external inductors, diodes,  
and high voltage capacitors, components commonly found in  
conventional topologies.  
external EL clock frequency  
EL frequency can be set by an external resistor  
Low noise  
DC to AC converter  
Drives up to 5.0nF load (approx. 1.5in2 lamp)  
Output voltage regulation  
Enable function  
EL Lamp dimming  
The charge pump circuit discharges its energy into an EL lamp  
through a high voltage H-bridge. Once the voltage reaches  
its regulated limit, it is turned off to conserve power. The EL  
lamp is then discharged to ground and the H-bridge changes  
state to allow the charge pump to charge the EL lamp in the  
opposite direction.  
Applications  
Cell phone keypads and displays  
Transceivers  
MP3 players  
The EL lamp frequency can be set either by an external  
resistor, REL,or by applying an external clock, where the clock  
frequency is divided by 128 to set the EL lamp frequency.  
Watches  
Pagers  
Measuring instruments/gauges  
Typical Application Circuits (For VDD = 3.4V to 4.2V only)  
VDD = ON  
GND = OFF  
1
2
3
4
8
7
VDD  
REL  
EN  
VA  
VB  
+
EL Lamp  
VDD  
HV850  
CDD  
-
GND 6  
5
VDD  
VDD  
CLKIN CLKEN  
GND  
EL lamp frequency  
set by an external clock  
1
2
3
4
8
7
VDD  
REL  
EN  
VA  
VB  
+
REL  
HV850  
EL Lamp  
VDD  
CDD  
-
GND 6  
VDD = ON  
GND = OFF  
5
CLKEN  
CLKIN  
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com  

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