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想换一款背光驱动，现在用的是MP1521，看了TPS61165，PWM范围建议是5k-100k。我想问问PWM是200Hz，能用哪些芯片？
TPS61165还支持外部RC电路的PWM调光，具体可以参考规格书18页，调整Rfltr和Cfltr可以配置出适合200Hz的低通滤波器。
用CTRL脚做PWM调光还是建议用5kHz-100kHz，因为TPS61165还支持一种数字式的调光。
