CURRENT MODE PWM PFM CONTROLLER W. BUILT-IN HIGH VOLTAGE MOSFET

2025-03-20
GGDH682X是一款内置高压MOSFET的电流模式PWM+PFM控制器,适用于SMPS。它具有内置高压启动和高充电电流,在待机模式下,电路进入爆闪模式以降低待机功耗。开关频率为20~100KHz,跟随负载并具有抖动频率,以实现低EMI。内置峰值电流补偿电路使极限峰值电流即使在不同的输入AC电压下也保持稳定。开关由线电压控制,当输入AC电压过高或过低时,开关关闭。同时,最大峰值电流也可以通过线电压补偿,从而调整极限输出功率。开机后,峰值电流补偿将减少以平衡,从而降低变压器上的压力。内置斜率补偿使电路适用于更多变压器。它集成了各种保护功能,如欠压锁定、前沿消隐、过压保护、过载保护和过温保护。如果发生保护,电路将重新启动,直到恢复正常。

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GGDH682X

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Part#

PWM PFM控制器

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SMPS ]

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Technical Documentation

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DIP-8-300-2.54

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2013.6.27

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