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UTCTDA2003 Datasheet(PDF) 5 Page - Unisonic Technologies |
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UTCTDA2003 Datasheet(HTML) 5 Page - Unisonic Technologies |
5 / 8 page UTCTDA2003 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R107-002,A 10 10 2 10 4 10 5 10 3 -80 -60 -40 -20 0 SVR (dB) frequency(Hz) Fig. 10 Supply voltage rejection vs.frequency R2=22 Ω R2=1 Ω 0 2 4 6 8 2 0 4 6 8 Fig. 11 Power dissipation and efficiency vs. output power(Rl=4 Ω) Ptot η Vs=14.4V Gv=40dB f=1kHz Vs=14.4V Vripple=0.5V Gv=40dB f=1kHz Rg=10k Ω Po(W) Ptot (W) Vs=14.4V Gv=40dB f=1kHz Fig. 12 Power dissipation and efficiency vs. output power(Rl=2 Ω) 0 2 0 4 6 8 Ptot (W) 2 4 6 8 Po(W) 80 60 40 20 0 ¦Ç (%) 80 60 40 20 0 η (%) Fig. 13 Maximum Power dissipation and supply voltage(sine wave operation) 0 5 10 15 20 10 15 20 5 0 RL=1.6 Ω RL=2 Ω RL=3.2 Ω RL=4 Ω Vs(V) Ptot (W) 10 15 20 5 0 0 50 100 150 200 Tamb(¢XC) Ptot (W) Fig. 14 Maximum allowable dissipation and ambient temperature infinite heatsink 10¢XC/W 30¢XC/W Fig. 15 Typical values of capacitor(Cx) for different values of frequency response 36 40 44 48 1 10 100 B=15kHz B=10kHz B=20kHz R2=2.2 Ω Gv(dB) Cx (nF) APPLICATION CIRCUIT Fig 16 Typical Application Circuit UTC TDA2003 1 2 3 5 4 Vi +Vs C1 1 µF Cx 39nF C3 100nF R3 1 Ω RL Rx 39 Ω C4 1000 µF C2 470 µF R1 220 Ω R2 2.2 Ω Rx=20*R2 Cx=1/(2 πB*R1) |
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