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| 型号： | MAX16841ASA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR DIM OFFLINE |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | 交直流离线开关，回扫，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 通用 |
| 频率： | 50kHz ~ 300kHz |
| 电源电压： | 11 V ~ 20 V |
| 输出电压： | 20V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC（窄型） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
EVALUATION KIT AVAILABLE
MAX16841
Controller IC for Dimmable Offline LED Lamps
General Description
The MAX16841 is an LED driver for AC line (100V, 120V,
220V, and 230V AC) input lamps. It features proprietary
control of the input current that allows lamps to dim
smoothly from full to zero light intensity, while providing
active power factor correction (PFC). It is a very flexible
product that can be used in isolated (e.g., flyback) and
nonisolated (e.g., buck) configurations. The conventional
use of an optocoupler in isolated configurations can be
avoided in MAX16841-based designs.
The constant frequency-control technique of the
device allows maximization of the conversion efficien-
cy at both low and high AC line by operating at the
conduction mode that minimizes total conduction and
switching losses.
The device can be configured for universal input (90V to
264V AC) dimmable applications, allowing the design of an
LED lamp that can be operated and dimmed worldwide.
This device can be used without electrolytic capacitors,
thus maximizing the lamp lifetime. In this case, the LED
current is a rectified sinusoid with a frequency that is
twice the AC line frequency.
The device also features thermal shutdown, current limit,
open LED protection, and V CC undervoltage lockout.
The MAX16841 is available in an 8-pin SO package and
Features
S Smooth Dimming with Leading-Edge (Triac) and
Trailing-Edge Dimmers
S Active Power Factor Correction
S Nonisolated (e.g., Buck) and Isolated
(e.g., Flyback) Topologies
S Universal 90V to 264V AC Input Range
S Constant Frequency-Control Scheme Maximizes
Efficiency at High and Low AC Line Voltage
S Constant Power Control with No Need for
Optocouplers
S Very-Low Quiescent Current
S Output Open and Short Protection
S Thermal Shutdown
S Available in an 8-Pin SO Package
Typical Operating Circuits appear at end of data sheet.
For related parts and recommended products to use with this part,
operates over the -40 N C to +125 N C temperature range.
Applications
Retrofit LED Lamps with Triac Dimming
Universal Input LED Retrofit Lamps
Industrial and Commercial Lighting
Residential LED Lighting
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-6028; Rev 1; 6/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16841BEVKIT# | 功能描述:LED 照明开发工具 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX16841EVKIT# | 功能描述:LED 照明开发工具 MAX16841 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX16841EVKIT+ | 功能描述:LED 照明开发工具 MAX16841 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX16842ASA+ | 功能描述:模数转换器 - ADC New RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX16842ASA+T | 功能描述:模数转换器 - ADC New RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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