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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RT8560 데이터시트(PDF) 2 Page - Richtek Technology Corporation |
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RT8560 데이터시트(HTML) 2 Page - Richtek Technology Corporation |
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2 / 15 page  RT8560 2 DS8560-01 April 2011 www.richtek.com Typical Application Circuit Figure 2. 1MHz, 20mA Full Scale Current Analog Dimming Control Figure 1. 1MHz, 20mA Full Scale Current Digital PWM 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 1k R4 R5 C1 C2 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 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 Analog Dimming 1k R4 C2 R5 C1 |
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