PAM8904ETypical Applications Circuit C C 1 1 = = 1 1 uF µF C C 2 2 = =1u 1 F µF CP1 CN1 CP2 CN2 VIN CIC=2.2µF Charge Pump V V out OUT N IN=2.2uF Oscil ator (1x / 2x / 3x)
CO C U O T U= T 2 =.2 2 u . F 2µF TC EN1 Control Short Circuit U Logic EN2 Protection D O DET R P VO1
DIN Piezo W Level shift sounder E N GND VO2 Pin DescriptionsPin NumberU-QFN3030-12Pin NameI/O/PFunctionU-QFN3030-16(Type A)/(Type B)W-QFN2020-12(Type US) 1 1 EN1 I Charge pump mode select 1 2 2 EN2 I Charge pump mode select 2 3 3 DIN I Signal Input 4 — NC — No Connection 5 4 CN1 I Capacitor 1 Negative Terminal 6 5 GND P Ground 7 6 VO2 O Positive Output 8 — NC — No Connection 9 7 VO1 O Negative Output 10 8 CN2 I Capacitor 2 Negative Terminal 11 9 CP1 I Capacitor 1 Positive Terminal 12 — NC — No Connection 13 10 VOUT O Boost Output 14 11 CP2 I Capacitor 2 Positive Terminal 15 12 VIN P Power Supply 16 — NC — No Connection