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HV9904LG

更新时间： 2024-11-01 22:16:27
品牌 Logo 应用领域
超科 - SUPERTEX 转换器控制器
页数 文件大小 规格书
5页 100K
描述
HV9904 Multi Converter Controller

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HV9904LG 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, DIP16,.3
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92其他特性：CAN ALSO BE CONFIGURED IN CONSTANT CURRENT MODE
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：400 V
最小输入电压：12 V标称输入电压：10 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：DIP16,.3
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子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
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

HV9904LG 数据手册

 浏览型号HV9904LG的Datasheet PDF文件第2页浏览型号HV9904LG的Datasheet PDF文件第3页浏览型号HV9904LG的Datasheet PDF文件第4页浏览型号HV9904LG的Datasheet PDF文件第5页 
HV9904  
Preliminary Engineering Specification  
HV9904 Multi Converter Controller  
Features  
General Description  
‰ꢀ Eliminates High Voltage Input Electrolytic Capacitor  
‰ꢀ Smallest and Most Reliable Off-Line Solution  
‰ꢀ Constant Current or Constant Voltage Mode Control  
‰ꢀ Can be Operated Directly from Rectified AC Mains  
‰ꢀ 10V to 400V Input Range Internal Regulator  
‰ꢀ 1.5mA Operating Supply Current  
The Supertex HV9904 is a second order PWM controller designed  
to provide a constant average current output or a constant average  
voltage output from an input of 10V to 400V DC or directly from  
rectified AC mains up to 280V. The second order topology is  
capable of extremely high dynamic control range, allowing  
operation directly from rectified AC mains without the need for  
bulky and expensive high voltage input electrolytic capacitor.  
‰ꢀ PLL Based Loop Control with Soft Start  
‰ꢀ On-Time Varies Inversely with Input Voltage  
‰ꢀ Frequency Varies with Load  
The PWM control utilizes feed forward circuitry to compensate for  
large variations in input voltage (i.e. rectified AC) and a novel  
integrator lock loop PLL scheme to regulate a differentially sensed  
feedback node where the signal may be discontinuous. This  
feedback node could be a current sense resistor or divider from  
regulated output voltage. For a constant load the switching  
frequency will be nearly constant with a dither of a few kHz helping  
to meet FCC conducted emissions requirements.  
‰ꢀ 2.5V Differential Sense  
‰ꢀ Recommended for <10W Applications  
Applications  
‰ꢀ Universal Input Voltage LED driver  
‰ꢀ Constant Current Source  
‰ꢀ Battery Charger  
A high input voltage linear regulator provides a stable Vdd supply  
for the internal circuitry and gate drive to the external MOSFET.  
Under voltage lockout provides a power on reset and protection for  
the MOSFET  
Ordering Information  
Package Options  
8 Pin Plastic DIP  
HV9904P  
8 Pin SOIC  
HV9904LG  
Dice  
HV9904X  
Typical Application Circuit  
Universal Input Constant Average Currrent LED Lamp Power Supply  
1N4007  
D1 D2  
L2  
220uH  
D5  
D6  
10VDC to 400VDC  
or  
MURS120T3 MURS120T3  
VAC to 265V  
D4 D3  
C3  
0.01uF  
C4  
0.1uF  
D7  
MURS120T3  
1 to 8  
LEDs  
10mA  
L1  
1mH  
C1  
0.1uF  
400V  
U1  
VN2460N8  
or  
M1  
+Vin  
Vdd  
GATE  
IRFBC30AS  
NS  
HV9904  
R1  
C2  
PS  
250  
AGND  
PGND  
1uF  
Prepare by Telecom Group  
1
Rev. D  
3/29/2002  
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com  
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