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參數(shù)資料
| 型號(hào)： | SD414-100 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | High Efficiency Serial LED Driver with 30V Integrated Switch |
| 中文描述： | 高效率串行LED驅(qū)動(dòng)器30V的集成開關(guān) |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大?。?/td> | 520K |
| 代理商： | SD414-100 |
8
www.fairchildsemi.com
FAN5330 Rev. 1.0.1
F
3. Dimming Using Filtered PWM Signal
This method allows the use of a greater than 1kHz PWM fre-
quency signal with minimum impact on the battery ripple. The
filtered PWM signal Table 8 on page 8 acts as an adjustable DC
voltage as long as its frequency is significantly higher than the
corner frequency of the RC low pass filter.
Figure 8. Dimming Using Filtered PWM Signal
Thermal Shutdown
When the die temperature exceeds 150°C, a reset occurs and
will remain in effect until the die cools to 130°C, at that time the
circuit will be allowed to restart.
PCB Layout Recommendations
The inherently high peak currents and switching frequency of
power supplies require careful PCB layout design. Therefore,
use wide traces for high current paths and place the input
capacitor, the inductor, and the output capacitor as close as
possible to the integrated circuit terminals. The FB pin connec-
tion should be routed away from the inductor proximity to pre-
vent RF coupling. A PCB with at least one ground plane
connected to pin 2 of the IC is recommended. This ground plane
acts as an electromagnetic shield to reduce EMI and parasitic
coupling between components.
FB
20K
15K
5
1.6K
FAN5330
0.1
μ
F
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SD414-100-R | 制造商:COOPER INDUSTRIES 功能描述:IND 10UH DRUM CORE 1.35MM |
| SD4145 | 功能描述:肖特基二極管與整流器 Schottky Rectifier - 45 V - 30 A - DO-4 RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時(shí)間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
| SD4145R | 功能描述:肖特基二極管與整流器 Schottky Rectifier - 45 V - 30 A - DO-4 RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時(shí)間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
| SD415 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| SD4150 | 制造商:RECTRON 制造商全稱:Rectron Semiconductor 功能描述:SURFACE MOUNT 1N4150 DIODE |
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