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TDA7263 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7263 数据表(HTML) 5 Page - STMicroelectronics |
5 / 8 page Figure 9: P.C. Board and Component Layout (1:1 scale) APPLICATION SUGGESTION The recommended values of the components are those shown on the typical application circuit. Different values can be used; the following table can help the designer. Component Recomm. Value Purpose Larger Than Smaller Than R1 and R3 1.5K Ω Close loop gain setting (*) Increase of gain Decrease of gain R2 and R4 47 Ω Close loop gain setting (*) Decrease of gain Increase of gain R5 and R6 4.7 Ω Frequency stability Danger of oscillations C1 and C2 100nF Input DC decoupling Higher SVR Higher low frequency cutoff C3 47 µF - Ripple Rejection - Mute time constant Increase of the Switch-on time - Degradation of SVR - Worse turn-off pop by muting C4 100nF Supply Voltage Bypass Danger of oscillations C5 1000 µF Supply Voltage Bypass C6 and C7 47 µF Feedback input DC decoupling Increase of the Switch-on time Danger of Switch-on time C8 and C9 0.1 µF Frequency stability Danger of oscillations C10 and C11 1000 µF Output DC decoupling Higher low-frequency cut-off (*) Closed loop gain must be higher than 26dB Note: Use either C1, C2 (Polyester) or C1(*), C2(*) (Electrolytic) but not both. TDA7263 5/8 |
类似零件编号 - TDA7263 |
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类似说明 - TDA7263 |
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