Flash LED current is set via a ballast resistor.
闪光led电流通过镇流器电阻设置。
Its stable and even discharge makes the ballast resistor smaller which reduces extra power consumption.
其放电均匀稳定，可减小限流电阻值，降低外电路电功损耗。
Its stable and even discharge makes the ballast resistor smaller which reduces extra power consumption.
其放电均匀稳定，可减小限流电阻值，降低外电路电功损耗。
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