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FAN5702 Datasheet(PDF) 3 Page - Fairchild Semiconductor |
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FAN5702 Datasheet(HTML) 3 Page - Fairchild Semiconductor |
3 / 17 page © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5702 • Rev. 1.0.3 3 WLCSP Pin Configuration C1 B1 A1 A2 C3 B3 A3 C2 D1 D3 D2 B2 A4 C4 D4 B4 Bumps Facing Down C4 B4 A4 C3 B3 A3 D4 D3 C1 B1 A1 A2 C2 D1 D2 B2 Bumps Facing Up Figure 2. WLCSP-16, 0.4mm Pitch, 1.61 x 1.61mm Pin Definitions Pin # Name Description D2 VIN Input Supply Voltage . Connect to 2.7 – 5.5VDC input power source. B4 GND Ground D1 VOUT Charge Pump Output Voltage . Connect to LED anodes. D3 ,D4 C1+, C1– Charge pump flying capacitor #1 C3, C4 C2+, C2– Charge pump flying capacitor #2 A1,A2 B1,B2 C1,C2 D2A, D1A D4,D3 D6,D5 LED Outputs A4 EN / PWM Enable / PWM dimming input. By default, this pin acts as a simple enable / disable function. When this pin is HIGH, normal operation is enabled. When LOW, the IC is reset and all functions (including I 2C communications) are disabled. By setting General Purpose register bit 7 = 1, the pin functions as a PWM dimming input for Group A. To restore the Enable function, the General Purpose register bit 7 must be set LOW. B3 SDA I 2C interface serial data A3 SCL I 2C interface serial clock |
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