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ACE714 データシート(PDF) 5 Page - ACE Technology Co., LTD. |
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ACE714 データシート(HTML) 5 Page - ACE Technology Co., LTD. |
5 / 9 page ACE714 High Efficiency Low Noise PFM Step-up DC/DC Converter VER 1.3 5 Typical Performance Characteristics Application Information Dimming Control 1.Using a PWM Signal to CE Pin When adding the PWM signal to CE pin, the ACE714 is turned on or off by the PWM signal, so the LEDs operate at either zero or full current. The average LED current increase proportionally with the duty cycle of the PWM signal. The frequency range of the PWM signal is from 1 kHz to 300KHz. 2.Using a DC Voltage From the Figure 2, we can add a DC voltage to FB pin, we adjust the LED current by changing the DC voltage, which control the brightness, DC voltage range is from 0V to 2V. |
同様の部品番号 - ACE714_12 |
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同様の説明 - ACE714_12 |
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