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HV9930LG PDF预览

HV9930LG

更新时间： 2024-09-30 20:34:55
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管
页数 文件大小 规格书
7页 546K
描述
SWITCHING REGULATOR, PDSO8

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中文翻译

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HV9930LG 技术参数

生命周期：Active包装说明：SOP,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.64
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：200 V
最小输入电压：8 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.8895 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：1.7526 mm表面贴装：YES
切换器配置：BUCK-BOOST温度等级：INDUSTRIAL
端子面层：TIN LEAD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：3.9116 mm
Base Number Matches：1

HV9930LG 数据手册

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HV9930  
Initial Release  
Hysteretic Boost-Buck (Čuk) LED Driver ICs  
Features  
General Description  
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Constant Output Current  
Steps Output Voltage Up or Down  
Low EMI  
Variable Frequency Operation  
Internal 8 to 200V Linear Regulator  
Input and output current sensing  
Input Current limit  
The HV9930 is a variable frequency PWM controller IC  
designed to control an LED lamp driver using a low noise  
boost-buck (Cuk) topology. The HV9930 uses hysteretic-  
current mode control to regulate both the input and the output  
currents. This enables fast transient response (required for  
PWM dimming) without the necessity for complex loop  
compensation. Input current control enables current limiting  
during startup and output overload conditions. Capacitive  
isolation protects the LED Lamp from failure of the switching  
MOSFET. HV9930 provides a low-frequency PWM dimming  
input that can accept an external control signal with a duty ratio  
of 0-100%.  
Enable & PWM Dimming  
Applications  
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Automotive LED Drivers  
RGB backlight applications  
Battery Powered LED Lamps  
Other Low Voltage AC/DC or DC/DC LED Drivers  
The HV9930 based LED driver is ideal for automotive LED  
lamps and RGB backlight applications with low voltage DC  
inputs. The HV9930 based LED Lamp drivers can achieve  
efficiency in excess of 80%.  
Typical Application Circuit  
L1  
L2  
C1  
D2  
-
Rd  
Cd  
VDC  
VO  
Q1  
D1  
D3  
R
R
R
cs1  
cs2  
+
R
s1  
s2a  
HV9930  
C2  
R
VIN  
VDD  
s2b  
GATE  
CS1  
GND  
PWMD  
CS2  
R
ref2  
REF  
R
ref1  
C3  
NR062005  
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: (408) 222-8888  
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FAX: (408) 222-4895 www.supertex.com  
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