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RT8560 Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT8560 Datasheet(HTML) 3 Page - Richtek Technology Corporation |
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3 / 15 page ![]() RT8560 3 DS8560-01 April 2011 www.richtek.com Figure 3. 1MHz, 20mA Full Scale Current PWM to Analog Dimming Control LED1 LED2 LED3 LED4 DCTL SS VC EN OVP VCC1 VOUT 1.8k 3.9nF 0.1µF SW 10µH VOUT 60V MAX VIN 7V to 40V 5.36k 15 LED String : : : : : : : : : : : : : : : : ACTL RISET 1µF 10µF PWM Signal VCC2 LED ISET 5.36k I = 20mA R × R1 R2 COUT1 COUT2 4, 5 CVIN L COUT3 D 10 RVCC1 CVCC1 1µF 5V 1k R3 VIN RVCC2 10 CVCC2 1µF RISET RVC CVC 1, 2, 3, 19, 20, Exposed Pad (21) GND 15 14 13 12 11 6 7 8 9 10 18 16 17 RT8560 0.1µF 1k R4 C3 R5 C1 C2 Figure 4. Wide Range VIN Application by Connecting VCC1 to LCD Driver Power AVDD LED1 LED2 LED3 LED4 DCTL SS VC EN OVP VCC1 VOUT 1.8k 3.9nF 0.1µF SW 10µH VOUT 60V MAX VAVDD 7V to 40V 5.36k 15 LED String : : : : : : : : : : : : : : : : ACTL RISET 1µF 10µF PWM Signal VCC2 LED ISET 5.36k I = 20mA R × R1 R2 COUT1 COUT2 4, 5 CVIN L COUT3 D 10 RVCC1 CVCC1 2.2µF 5V 1k R3 VIN RVCC2 10 CVCC2 1µF RISET RVC CVC 1, 2, 3, 19, 20, Exposed Pad (21) GND 15 14 13 12 11 6 7 8 9 10 18 16 17 RT8560 VIN 4V to 40V 1k R4 C2 R5 C1 |
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