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HV852MG-G PDF预览

HV852MG-G

更新时间: 2024-02-28 23:34:38
品牌 Logo 应用领域
超科 - SUPERTEX 驱动器
页数 文件大小 规格书
6页 460K
描述
High Voltage, Low Noise, Inductorless EL Lamp Driver

HV852MG-G 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:5 weeks风险等级:1.96
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
湿度敏感等级:1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):260
认证状态:Not Qualified座面最大高度:1.1 mm
最大供电电压:5 V最小供电电压:2.4 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) - annealed
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:40
宽度:3 mm

HV852MG-G 数据手册

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HV852  
Initial Release  
High Voltage, Low Noise,  
Inductorless EL Lamp Driver  
Features  
General Description  
No external components required when using an  
external EL clock frequency  
EL frequency can be set by an external resistor  
Low Noise  
The Supertex HV852 is a high voltage, low noise, inductorless  
EL (electroluminescent) lamp driver. It is designed to drive EL  
lamps of up to 1.5in2, with capacitive values up to 5.3nF over  
an input voltage range of 2.4V to 5.0V. The HV852 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 an external inductor, diode,  
and high voltage capacitor commonly found in conventional  
topologies.  
DC to AC converter  
Drives up to 5.3nF (approx. 1.5in2 lamp) load  
Output voltage regulation  
Enable function  
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  
Cellular phone keypad  
Watches  
Small handheld wireless devices  
MP3 Players  
Typical Application Circuit  
HV852  
VA  
VB  
VDD  
+
EL  
LAMP  
REL  
VDD  
CDD  
REL  
-
GND  
CLKEN  
EN  
CLKIN  
VDD = ON  
GND = OFF  
EL Lamp frequency set by REL  
1

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