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HV853MG-G PDF预览

HV853MG-G

更新时间: 2024-11-04 02:59:47
品牌 Logo 应用领域
超科 - SUPERTEX 显示驱动器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
7页 684K
描述
High Voltage, Low Noise, Inductorless EL Lamp Driver

HV853MG-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:5.7
Is Samacsys:N数据输入模式:SERIAL
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:5 V
最小供电电压:3.2 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

HV853MG-G 数据手册

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HV853  
High Voltage, Low Noise,  
Inductorless EL Lamp Driver  
Features  
General Description  
No external components required when using an  
external EL clock frequency  
The Supertex HV853 is a high voltage, low noise EL  
(electroluminescent) lamp driver. It is the low noise version of  
the HV852 with improved EMI performance, operating over an  
input voltage range of 3.2V to 5.0V. It is designed to drive EL  
lamps of up to 1.5in2, with capacitive values up to 5.3nF. The  
HV853 converts a low voltage DC input to a high voltage AC  
output across an EL lamp. A nominal regulated output voltage  
of 80V is applied to the 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.  
Audible noise reduction with improved EMI  
EL frequency can be set by an external resistor  
DC to AC converter  
Drives up to 5.3nF (approx. 1.5in2 lamp) load  
Output voltage regulation  
Enable function  
Available in 8-Lead DFN and MSOP packages  
Applications  
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.  
Cellular phone keypad  
Watches  
Small handheld wireless devices  
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.  
Typical Application Circuits  
VDD = ON  
VDD = ON  
GND = OFF  
GND = OFF  
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
VA  
VB  
VA  
VB  
VDD  
REL  
VDD  
REL  
+
VDD  
+
VDD  
EL  
LAMP  
EL  
REL  
CDD  
CDD  
LAMP  
-
-
GND  
CLKEN  
EN  
GND  
CLKEN  
EN  
CLKIN  
CLKIN  
VDD  
VDD  
GND  
HV853  
EL Lamp Frequency set by REL  
HV853  
EL Lamp Frequency set by External Clock  

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