FAN5702UC15X Fairchild Semiconductor, FAN5702UC15X Datasheet
FAN5702UC15X
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FAN5702UC15X Summary of contents
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... UMLP (0.55mm Height) Applications LCD Backlighting Mobile Handsets / Smartphones Portable Media Players Ordering Information Part Number FAN5702UC30X FAN5702UC20X FAN5702UC15X FAN5702UC08X FAN5702UMP30X FAN5702UMP20X FAN5702UMP15X FAN5702UMP08X © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Description The FAN5702 is a highly integrated and configurable charge- pump-based multi-LED driver ...
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... Typical Application © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Figure 1. Typical Application 2 www.fairchildsemi.com ...
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... I functions as a PWM dimming input for Group A. To restore the Enable function, the General Purpose register bit 7 must be set LOW SDA I C interface serial data 2 A3 SCL I C interface serial clock © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0 Figure 2 ...
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... SDA I C interface serial data 2 3 SCL I C interface serial clock © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Bottom View Figure 3. UMLP-16, 0.5mm Pitch, 3mm x 3mm Description communications) are disabled. By setting General Purpose register bit the pin 4 input power source. ...
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... Junction-to-ambient thermal resistance is a function of application and board layout. This data is measured with four-layer 2s2p boards in accordance to JESD51-7 JEDEC standard. Special attention must be paid not to exceed junction temperature given ambient temperate T J(max) © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Parameter Human Body Model per JESD22-A114 Charged Device Model per JESD22-C101 ...
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... For each Dxx pin, headroom voltage is the voltage across the internal current sink connected to that pin headroom voltage requirement is not met, LED current regulation is compromised. LED © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 = -40°C to +85°C; and ENA, EN3, EN4, EN5, and EN6 = 1. Typical values are A Conditions 1 ...
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... Figure 4. Efficiency with LED Current of 8mA and 20mA Figure 6. LED Current Variation vs. Temperature Figure 8. Switching Frequency over Temperature with LED Current at 20mA © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Figure 5. LED Current Match for all 6 LED Channels at I =20mA. ...
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... LEDx Figure 13. Line Transient from 1x to 1.5x Mode, V =3.2V – 4.1V LEDx © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Figure 10. Mode Transition from 1. Mode Using PWM Control (V Figure 12. Line Transient Response in 1.5x Mode, =20mA Figure 14. Soft-Start with SDA and SCL ...
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... Typical Characteristics Figure 15. Linear Dimming via I I =20mA, and t LEDx RAMP Figure 17. PWM and Linear (via I I =20mA, and EN=1kHz with 20% Duty Cycle LEDx © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0 Interface, V =3.6V, Figure 16. PWM Dimming =6.4ms 2 C) Dimming ...
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... R t HIGH SCL t LOW t t HD;STA HD;DAT START Figure 18. I © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Conditions Standard Mode Fast Mode Standard mode Fast Mode Standard Mode Fast Mode Standard Mode Fast Mode Standard Mode Fast Mode Standard Mode ...
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... To change the PWM dimming pin back to the EN function, set the General Purpose register bit © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Register Controlled Brightness The DC value of the LED current is modulated according to the values in Table 1 ...
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... ACK. All data is shifted in MSB (bit 7) first. Slave Address The FAN5702’s slave address is 6CH. 2 Table Slave Address © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 Register Addressing The FAN5702 has six user-accessible registers. 2 Table Register Addresses GENERAL 6.4ms CONFIG 1600ms CHA 3200ms CH3 6400ms CH4 ...
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... Slave Address 7 bits S Slave Address 0 © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 During a read from the FAN5702 (Figure 23), the master issues a “Repeated Start” after sending the register address and before resending the slave address. The “Repeated Start” ...
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... Brightness 6 00 – 3FH © 2010 Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 General Purpose Register Setting this bit=1 changes the EN pin to function as a PWM dimming input for 0 group A LEDs. This bit must be set to zero for the chip to be disabled. ...
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... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...
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... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...
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... Fairchild Semiconductor Corporation FAN5702 • Rev. 1.0.3 17 www.fairchildsemi.com ...