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FL7734 是一款带有先进的初级侧调节 (PSR) 技术的高度集成 PWM 控制器,可最大程度减少小功率 LED 照明解决方案中的部件数量。它使用创新的 TRUECURRENT 技术实现严谨的恒定电流控制,可在较宽的线路电压范围内实现小于 ±1% 的恒定电流 (CC) 允差,满足严格的 LED 亮度要求。FL7734 可用于所有类型的切相调光器。切相调光通过泄放电流控制进行平滑管理,可实现卓越的无闪烁调光兼容性。该控制器可以自动检测是否存在调光器联接。在非调光模式下,通过启用线性频率控制和基于 DCM 的电压模式来设置运行模式,以优化功率因数和 THD。使用一个外部高电压泄放电流来实施快速启动和高系统能效。FL7734 还提供强大保护,如 LED 开路/短路、传感器电阻短路和温度过高,实现系统高可用性。FL7734 采用 16 引脚小型封装 (SOP)。
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MSL Temp (°C)
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VI Min (V)
VI Max (V)
VO Max (V)
IO Max (mA)
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Reference Price
FL7734MX
Active
Pb
A
H
P
SOIC-16
3
260
REEL
2500
Y
PSR PFC Flyback
27.5
308 VAC
18 VGATE
60/180 mA - Source/Sink
70
$0.6013
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可靠性数据
Die Related Summary Data
Device: FL7734MX
Equivalent to wafer fab process: CN
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
CN
6
425600109
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Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)