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STA515W Fiches technique(PDF) 10 Page - STMicroelectronics |
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STA515W Fiches technique(HTML) 10 Page - STMicroelectronics |
10 / 14 page Applications information STA515W 10/14 Doc ID 11079 Rev 2 Applications circuits Figure 7 below shows a typical full-bridge circuit for supplying 20 W + 20 W into 8- Ω speakers with 10% THD at VCC = 18 V. Figure 7. Typical stereo full-bridge configuration for 20 + 20 W Figure 8 below shows a single-BTL configuration capable of supplying 40 W into a 4- Ω load at 10% THD with VCC = 19 V. This result was obtained with peak power for <1 s using the STA308+STA515W+STA50X demo board. A PWM modulator as driver is required. Figure 8. Typical single-BTL configuration for 40 W L18 22 µH L19 22 µH C30 1 µF C20 100nF C99 100nF C101 100nF C107 100nF C106 100nF C23 470nF C55 1000 µF C21 100nF C58 100nF C58 100nF R57 10K R59 10K R63 20 R98 6 R100 6 C53 100nF C60 100nF C31 220nF C52 330pF R104 20 C109 330pF 15 M3 IN1A IN1A VL CONFIG PWRDN PWR_DN FAULT TRISTATE THWARN TH_WARN +3.3V IN1B VDD VDD VSS VSS VCCSIG VCCSIG GNDREG GNDCLEAN IN2A IN1B IN2A IN2B PROTECTION & LOGIC REGULATORS 29 23 24 25 27 26 28 30 21 22 33 34 35 36 M2 M5 M4 17 16 OUT1A GND1A OUT1A VCC1A 14 12 10 11 OUT1B GND1B OUT1B VCC1B 13 L113 22 µH L112 22 µH C32 220nF +VCC C108 470nF C31 220nF 7 M17 M15 M16 M14 8 9 OUT2A GND2A OUT2A VCC2A 6 4 2 3 OUT2B GND2B D00AU1148Bbc OUT2B VCC2B 5 19 31 20 GNDSUB 1 IN2B 32 C110 100nF C111 100nF R103 6 R102 6 8 Ω 8 Ω 10 µH 10 µH 100nF FILM 220nF X7R 220nF X7R 1 µF X7R 2200 µF 63V 220nF 680nF FILM 100nF FILM 100nF 10K 10K 3.3 1/2W 3.3 1/2W 100nF X7R 100nF X7R Add. IN1A IN1A VL CONFIG PWRDN nPWR_DN FAULT TRISTATE THWARN TH_WARN +3.3V 100nF 100nF X7R IN1B VDD VDD VSS VSS VCCSIG VCCSIG GNDREG GNDCLEAN IN1B IN2A 29 23 N.C. 24 25 27 26 28 30 21 22 33 34 35 36 17 16 18 OUT1A GND1B OUT1A VCC1B 10 13 11 OUT1B GND1A OUT1B 14 Vcc 330pF 22 Ω 1/2W 4 Ω GND2A 6 2 12 VCC1A 15 VCC2B 4 VCC2A 7 3 OUT2B GND2B D04AU1545bc OUT2B 5 19 31 20 GNDSUB 1 IN2B 32 8 9 OUT2A OUT2A 1 µF X7R Vcc 220nF |
Numéro de pièce similaire - STA515W |
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Description similaire - STA515W |
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