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HV9805MG-G

更新时间： 2024-09-27 20:03:55
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动接口集成电路
页数 文件大小 规格书
34页 616K
描述
HV9805MG-G

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中文翻译

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HV9805MG-G 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：TSSOP, TSSOP10,.19,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：6 weeks风险等级：1.67
JESD-30 代码：R-PDSO-G10JESD-609代码：e3
端子数量：10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：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：8.2 V认证状态：Not Qualified
子类别：Display Drivers标称供电电压：8.2 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn) - annealed端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
Base Number Matches：1

HV9805MG-G 数据手册

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HV9805  
Off-Line LED Driver with True DC Output Current  
Features  
General Description  
• Provides True DC Light and protects load from  
line voltage transients  
The HV9805 driver integrated circuit (IC) is targeted at  
general LED lighting products, such as LED lamps and  
LED lighting fixtures with a maximum power rating of  
• Driver topology includes:  
about 25W at 120VAC and about 50W at 230VAC  
.
- Boundary Conduction Mode (BCM) Boost  
Converter with Power Factor Correction  
A two-stage topology provides true constant current  
drive for the LED load while drawing mains power with  
high power factor. The first stage, a boundary  
conduction mode boost converter, transfers power  
from the AC line to a second stage with high power  
factor and high efficiency. The second stage, a linear  
regulator arranged for operation with low overhead  
voltage, transfers power from the first stage to the LED  
load with true constant current and protects the LED  
load from overvoltage that may pass from mains to the  
output of the first stage.  
a) High Power Factor (98% typical)  
b) High Efficiency (90% typical)  
- Linear Post-Regulator with Low Overhead  
Voltage  
a) Zero LED Current/Brightness Ripple  
b) Overvoltage Protection for LEDs  
c) High Efficiency  
d) ±4% Reference Over Temperature  
• Simple VDD Supply:  
The IC is particularly geared to drive a high voltage  
LED load. An LED load arranged as a high-voltage load  
is capable of offering cost advantages in terms of heat  
management and optics.  
- No Auxiliary Winding Required  
• Boost Converter Cascode Switch:  
- Internal Switch rated at 700 mA peak  
- Supports up to 25W at 120VAC  
- Supports up to 50W at 230VAC  
The boost converter employs a cascode switch for  
high-speed switching and convenient generation of the  
VDD supply. The control device of the cascode switch is  
an integral part of the HV9805 and is rated at 700 mA  
peak. Current for powering the VDD supply is derived  
by way of an internal connection to the cascode switch.  
• Compatibility with SEPIC Topology for  
Low Output Voltage Applications  
Applications  
Applications with low output voltage can be  
accommodated using the SEPIC topology.  
• LED Lamps  
• LED Lighting Fixtures  
Network Topology Diagram  
AC  
2015 Microchip Technology Inc.  
DS20005374A-page 1  
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