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| 型号： | MIC3203YM |
| 厂商： | Micrel Inc |
| 文件页数： | 15/21页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER CTLR HB 8SOIC |
| 特色产品： | MIC3203 LED Driver Controllers |
| 标准包装： | 95 |
| 恒定电流： | 是 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 通用 |
| 类型 - 次要： | 高亮度 LED（HBLED） |
| 频率： | 1.5MHz |
| 电源电压： | 4.5 V ~ 42 V |
| 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 |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
| 其它名称： | 576-3661-5 MIC3203YM-ND |
Micrel, Inc.
Ripple Measurements
To properly measure ripple on either input or output of a
switching regulator, a proper ring in tip measurement is
required. Standard oscilloscope probes come with a
grounding clip, or a long wire with an alligator clip.
Unfortunately, for high-frequency measurements, this
ground clip can pick-up high-frequency noise and
erroneously inject it into the measured output ripple.
The standard evaluation board accommodates a home
made version by providing probe points for both the
input and output supplies and their respective grounds.
This requires the removing of the oscilloscope probe
sheath and ground clip from a standard oscilloscope
probe and wrapping a non-shielded bus wire around the
oscilloscope probe. If there does not happen to be any
non-shielded bus wire immediately available, the leads
from axial resistors will work. By maintaining the shortest
possible ground lengths on the oscilloscope probe, true
ripple measurements can be obtained.
Figure 2. Low Noise Measurement
MIC3203
March 2010
15
M9999-032910-A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC3203YM EV | 功能描述:LED 照明开发工具 HBLED Driver Controller with High-Side Current Sense - Evaluation Board 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: |
| MIC3203YM TR | 功能描述:LED照明驱动器 HBLED Driver Controller with High-Side Current Sense 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 |
| MIC3205 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Brightness LED Driver Controller with Fixed-Frequency Hysteretic Control |
| MIC3205YML | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Brightness LED Driver Controller with Fixed-Frequency Hysteretic Control |
| MIC3205YML EV | 制造商:Micrel Inc 功能描述:MIC3205 LED DRIVER EVAL BOARD 制造商:Micrel Inc 功能描述:MIC3205, LED DRIVER, EVAL BOARD 制造商:Micrel Inc 功能描述:MIC3205, LED DRIVER, EVAL BOARD, Core Chip:MIC3205, Topology:Step Down, No. of O 制造商:Micrel Inc 功能描述:MIC3205, LED DRIVER, EVAL BOARD, Core Chip:MIC3205, Topology:Step Down, No. of Outputs:1, Input Voltage Min:4.5V, Input Voltage Max:40V, Dimming Control Type:Analogue, PWM, Kit Contents:Evaluation Board MIC3205, SVHC:No SVHC |
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