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AP3154 Arkusz danych(PDF) 2 Page - Diodes Incorporated |
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AP3154 Arkusz danych(HTML) 2 Page - Diodes Incorporated |
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2 / 13 page ![]() AP3154 120mA HIGH EFFICIENCY WHITE LED DRIVER AP3154 Rev. 2 2 of 13 FEBRUARY 2009 www.diodes.com © Diodes Incorporated Pin Assignment C1 N C2 P V IN C2 N V OUT C1 P D3 D1 GND 7 6 5 4 3 2 1 10 11 12 9 8 D2 SDI D4 DFN3030-12 Exposed Pad ( Top View ) Pin Descriptions Pin Name Pin # Description D4 1 Current Sink Input #4. Connect to VOUT when un-used. SDI 2 1-wire Serial Digital Interface Input / PWM input C1P 3 Positive Terminal of Flying Capacitor. Connect a 1µF capacitor between C1P and C1N. C1N 4 Negative Terminal of Flying Capacitor. VOUT 5 The charge pump output voltage to drive load circuit. Connect a 1µF capacitor between this pin and ground. C2P 6 Positive Terminal of Flying Capacitor. Connect a 1µF capacitor between C2P and C2N. C2N 7 Negative Terminal of Flying Capacitor. VIN 8 Input Power Source. Connect a 1µF capacitor between this pin and ground. GND 9 Ground. D1 10 Current Sink Input #1. Connect to VOUT when un-used. D2 11 Current Sink Input #2. Connect to VOUT when un-used. D3 12 Current Sink Input #3. Connect to VOUT when un-used. GND EP PAD Exposed Pad (bottom). Connect to ground underneath the package. |
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