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HV9971LG-G

更新时间： 2024-11-21 21:22:19
品牌 Logo 应用领域
超科 - SUPERTEX 驱动光电二极管接口集成电路
页数 文件大小 规格书
12页 698K
描述
LED Driver, 2-Segment, PDSO8, 4.90 X 3.90 MM, 1.75 MM HEIGHT, 1.27 MM PITCH, GREEN, MS-012AA, SOIC-8

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中文翻译

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HV9971LG-G 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP,
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.74接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm复用显示功能：NO
功能数量：1区段数：2
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：1.75 mm
最大供电电压：11.5 V最小供电电压：10.5 V
标称供电电压：11 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

HV9971LG-G 数据手册

 浏览型号HV9971LG-G的Datasheet PDF文件第2页浏览型号HV9971LG-G的Datasheet PDF文件第3页浏览型号HV9971LG-G的Datasheet PDF文件第4页浏览型号HV9971LG-G的Datasheet PDF文件第5页浏览型号HV9971LG-G的Datasheet PDF文件第6页浏览型号HV9971LG-G的Datasheet PDF文件第7页 
Supertex inc.  
HV9971  
Isolated, Constant Current  
LED Driver  
Features  
General Description  
► Programmable true constant current operation  
The HV9971 is a primary-side control IC for driving a discontinuous  
conduction mode (DCM) flyback LED driver. The IC is optimized for  
operation at a constant full-load switching frequency of 100kHz and  
the universal input AC voltage range of 80-264VAC. It maintains  
3% variation of the LED current setting, and features tight line  
and load regulation. The proprietary primary-side output current  
control employed in the HV9971 makes the output current setting  
insensitive to most component tolerances and parasitics without  
use of an opto-feedback.  
► ±3% LED current accuracy  
► Adaptive to external component tolerances  
and parasitics  
► Primary-side current sensing  
► Output open circuit protection  
► Output short circuit protection  
► Input under voltage lockout  
► PWM dimming / enable  
► Universal 80-264VAC operation  
The HV9971 LED driver is fully protected against output open and  
short circuit conditions and input under-voltage. It also offers a logic  
input for dimming the LED light output by means of pulse-width  
modulation of the output current.  
Applications  
► Low-power lighting fixtures  
The HV9971 is ideally suited for driving high-brightness LEDs in  
low-power lighting fixtures such as incandescent bulb retrofits.  
Typical Application Circuit  
IO  
VIN  
RIN  
2
VIN  
RBIAS  
PWMD  
GND  
BIAS  
4
6
1
HV9971  
GATE  
7
5
CS  
RDD  
VD  
VDD  
RS  
3
8
RD  
CDD  
Doc.# DSFP-HV9971  
A032814  
Supertex inc.  
www.supertex.com  
1234567...12

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