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AL1792 Datasheet(PDF) 9 Page - Diodes Incorporated

Part # AL1792
Description  Analog and PWM Dimming
PDF  18 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL1792 Datasheet(HTML) 9 Page - Diodes Incorporated

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AL1791/1792/1793/1794
Document number:37957 Rev. 3 - 2
9 of 18
www.diodes.com
September 2015
© Diodes Incorporated
AL1791/1792/1793/1794
Typical Performance Characteristics (VIN=12V, RSET=12KΩ, RFAULT=10KΩ, TA=+25°C, unless otherwise specified.)
Figure 6 System Startup
Figure 7 Dimming by PWM Input (PWM1 4KHz )
Figure 8 Dimming by Analog input ( V(PWM1)=1V )
Figure 9 LED Short Protect Deglitch Cycles
Fig. 5 SCP deglitch time
Fig. 6 OCP deglitch cycles
Figure 10 LED Short Protect Deglitch Time
Figure 11 LED Open Protect Deglitch Cycles
PWM1
5V/div
LED1
2V/div
I(LED1)
200mA/div
100us/div
PWM1
1V/div
LED1
2V/div
I(LED1)
200mA/div
100us/div
PWM1
5V/div
LED1
10V/div
FAULTB
5V/div
I(LED1)
200mA/div
100us/div
PWM1
5V/div
LED1
10V/div
I(LED1)
200mA/div
FAULTB
5V/div
400us/div
PWM1
5V/div
LED1
10V/div
I(LED1)
200mA/div
FAULTB
5V/div
1ms/div
VIN
10V/div
EN/PWM1
5V/div
LED1
5V/div
I(LED1)
200mA/div
40us/div



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