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参数资料
| 型号： | FAN7340MX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC DVR BOOST SW LED BKLT 16-SOIC |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 背光，通用 |
| 频率： | 50kHz ~ 300kHz |
| 电源电压： | 10 V ~ 35 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
July 2013
FAN7340
LED Backlight Driving Boost Switch
Features
Description
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Single-Channel Boost LED Switch
Internal Power MOSFET for PWM Dimming:
R DS(on) = 3.4 Ω at V GS =10 V, BV DSS =400 V
Current Mode PWM Control
Internal Programmable Slope Compensation
Wide Supply Voltage Range: 10 V to 35 V
LED Current Regulation: ± 1%
Programmable Switching Frequency
Analog and PWM Dimming
Wide Dimming Ratio: On Time=10 μs to DC
Cycle-by-Cycle Current Limiting
Thermal Shutdown: 150 ° C
Open-LED Protection (OLP)
Over-Voltage Protection (OVP)
Over-Current Protection (OCP)
Error Flag Generation (for External Load Switch)
Internal Soft-Start
16-Lead SOIC Package
The FAN7340 is a single-channel boost controller that
integrates an N-channel power MOSFET for PWM
dimming using Fairchild’s proprietary planar Double-
diffused MOS (D MOS) technology.
The IC operates as a constant-current source for driving
high-current LEDs.
It uses Current Mode control with programmable slope
compensation to prevent subharmonic oscillation. The IC
provides protections including: open-LED protection,
over-voltage protection, and direct-short protection for
high system reliability.
The IC internally generates a FAULT signal with delay if
an abnormal LED string condition occurs. PWM dimming
and analog dimming functions can be implemented
independently. Internal soft-start prevents inrush current
flowing into output capacitor at startup.
Applications
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LED Backlight for LCD TV
LED Backlight for LCD Monitor
LED Lighting
Ordering Information
Part Number
FAN7340MX
Operating
Temperature
Range
-40°C to +125°C
Package
16-Lead, Small-Outline Integrated Circuit (SOIC)
Packaging
Method
Tape & Reel
? 2013 Fairchild Semiconductor Corporation
FAN7340 ? 1.0.1
www.f airchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN7340MX-CUT TAPE | 制造商:FAIRCHILD 功能描述:FAN7340 Series 35 V 250 mA LED Backlight Driving Boost Switch - SOIC-16 |
| FAN7346 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:4 通道LED均流控制器 |
| FAN7346M | 功能描述:电流型 PWM 控制器 4Ch. LED Current control IC Lighting RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| FAN7346MX | 功能描述:LED照明驱动器 4Ch LED Curr Control IC for Lighting RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| FAN7346MX-CUT TAPE | 制造商:FAIRCHILD 功能描述:FAN7346 Series 4 Channel LED Driver String Balancer w/ Dimming LED Load Control |
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