Published:2011/8/24 1:48:00 Author:Ecco | Keyword: Mazda , central control unit
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Published:2011/8/23 2:10:00 Author:Ecco | Keyword: Bistable , unilateral touching switch
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Published:2011/8/23 2:10:00 Author:Ecco | Keyword: Bistable circuit
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Published:2011/8/23 2:17:00 Author:Ecco | Keyword: Four-tube astable circuit
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Published:2011/8/23 2:17:00 Author:Ecco | Keyword: Bistable counting , base trigger circuit
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Published:2011/8/23 2:13:00 Author:Ecco | Keyword: Bistable counting , collector trigger circuit
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Published:2011/8/23 2:09:00 Author:Ecco | Keyword: Bistable touching switch
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Published:2011/8/23 2:21:00 Author:Ecco | Keyword: Emitter coupled bistable
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Published:2011/8/23 2:22:00 Author:Ecco | Keyword: Emitter coupled monostable
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Published:2011/8/23 2:05:00 Author:Ecco | Keyword: Three steady-state circuit
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Published:2011/8/23 2:04:00 Author:Ecco | Keyword: Tunnel diode bistable
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Published:2011/8/23 2:04:00 Author:Ecco | Keyword: Tunnel diode astable
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Published:2011/8/23 2:03:00 Author:Ecco | Keyword: Tunnel diode monostable
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Published:2011/8/23 2:07:00 Author:Ecco | Keyword: Astable flashing circuit
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Published:2011/8/23 2:24:00 Author:Ecco | Keyword: Stable single-button , electronic switching circuit
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Published:2011/8/23 2:02:00 Author:Ecco | Keyword: Mouse
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Published:2011/8/23 1:59:00 Author:Ecco | Keyword: Manual contactor , Y-△ buck starting
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Published:2011/8/23 2:01:00 Author:Ecco | Keyword: Manually series, reactance starting , three-phase motor
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Published:2011/8/11 3:35:00 Author:Lucas | Keyword: white LED driver
MAX1582/MAX1582Y are the boost converter white LED drivers with dual output and high efficiency, and they are widely used to drive the primary and secondary screen white LED backlight display in mobile phones, and the power consumption is reduced by 25%. MAX1582/MAX1582Y can drive six series of white LEDs by constant current, thus they can provide dual display (primary and second) backlight driver for mobile phones and other portable electronic devices, and they do not need to configure the current limiting resistors. Its proprietary dual-output, step-up pulse-width modulation (PWM) converter is built-in 30V, low RDS-ON, N-channel MOSFET switch, which can improve efficiency and extend battery life.
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Published:2011/8/11 3:27:00 Author:Lucas | Keyword: white LED driver
Figure 1 is the commonly series white LED driver circuit schematic, and the driver IC in the figure is the XC9103 Series DC / DC converter. When it uses XC9103 Series devices, it can use the ceramic capacitor as the output capacitor CL to suppress unwanted signal radiation. In Figure 1, the step-up DC / DC converter outputs white LED drive current, of which value is equal to the value from FB pin control voltage dividing the resistance of the connecting resistor. XC9103's FB-pin control voltage is 0.9V, XC6367's FB-pin control voltage is 1.0V. Therefore, changing the resistance can adjust white LED drive current to the desired value.
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