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AN8813 Datasheet(PDF) 5 Page - Panasonic Semiconductor |
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AN8813 Datasheet(HTML) 5 Page - Panasonic Semiconductor |
5 / 5 page ICs for Compact Disc/CD-ROM Player AN8813NSB 5 s Application Circuit Example V2 V4 V3 V1 R3 R2 R1 RL1 RL2 RL4 RL3 PVCC1 PVCC2 VREF SVCC 5 V When the AN8813NSB is use, take into account the following cautions and follow the power dissipation characteristic curve. 1. Load current IP1 flowing into load RL1, RL2 is supplied through pin 20. IP1 = | V 18 −V17 | + | V 16 −V15 | RL1 RL2 2. Load current IP2 flowing into load RL3, RL4 is supplied through pin 9. IP2 = | V 14 −V13 | + | V 12 −V11 | RL3 RL4 3. Dissipation increase ( ∆P D) inside the IC (power output stage) caused by loads RL1, RL2, RL3 and RL4 is as follows: ∆P D = (PVCC1 − | V18 −V17 |) × | V 18 −V17 | + (PV CC1 − | V16 − V15 |) + | V 16 −V15 | RL1 RL2 = (PV CC2 − | V14 −V13 |) × | V 14 −V13 | + (PV CC2 − | V12 − V11 |) × | V 12 −V11 | RL3 RL4 4. Dissipation increase ( ∆P S) inside the IC (signal block supplied from pin 7) caused by loads RL1, RL2, RL3 and RL4 comes roughly as follows: ∆P S = 3 × { V1 × (2 × SV CC + | V18 −V17 |) + V2 × (2 × SV CC + | V16 −V15 |) R1 R2 + V3 × (2 × SV CC + | V14 −V13 |)} + V4 × (3 × SV CC + | V12 −V11 |), where R4: Internal resistor 12.3 kΩ R3 R4 5. Dissipation increase in a driver operating mode is ∆P D + ∆PS . 6. Allowable power dissipation without load (PD1) can be found as follows: PD1 = SVCC × I(SVCC) +PVCC1 × I(PVCC1) + PVCC2 × I(PVCC2) 7. Allowable power dissipation in a load operating mode (PD) comes roughly as follows: PD = PD1 + ∆PD + ∆PS |
Similar Part No. - AN8813 |
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Similar Description - AN8813 |
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