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| ltc1148hv资料 | |
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ltc1148hv |
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file size : 116 kb
manufacturer:linear description:the brightness of the leds can be easily controlled by injecting a pwm (pulse width modulation) signal into the enable pin of the regulator, using a logic control, or applying a dc voltage from the dac. figure 4 shows a 400hz pwm signal can be used to control the leds current by varying the duty cycle of the pwm signal. figure 5 shows a logic signal and a transistor can be used to switch the leds current from 8ma to 1ma and vice versa. figure 6 shows a dac can be used to modulate the led's current. |
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| 1pcs | 100pcs | 1k | 10k | ||
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型 号：ltc1148hv 厂 家：linear 封 装：0611 批 号：smd/dip 数 量：2500 说 明： |
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运 费： 所在地： 新旧程度： |
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| 联系人：林浩/林妮 |
| 电 话：0755-82532799/82532766/83989559 |
| 手 机：13510168121/13725556003 |
| qq：496982847/351622092 |
| msn：linearic@hotmail.com |
| 传 真：0755-82532766 |
| email：maxim_zi@126.com |
| 公司地址： 深圳市福田区佳和大厦b座1802室 门市部：华强广场 q2a114展销柜 |
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