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STK433-060N-E 데이터시트(PDF) 10 Page - Sanyo Semicon Device |
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STK433-060N-E 데이터시트(HTML) 10 Page - Sanyo Semicon Device |
10 / 11 page STK433-060N-E No.A2106-10/11 STK433-000N-E/100N-E series Stand-by Control & Mute Control & Load-Short Protection Application 12 13 14 15 11 10 9 8 7 6 5 4 3 2 1 -PRE 56k Ω 6.8kΩ 22k Ω 56k Ω 10k Ω 10k Ω 10k Ω 2.2k Ω 1k Ω 10k Ω 2.7k Ω 33k Ω 2k Ω 1k Ω 33 μF /10V R1 (*4) (*1) V1 Latch Up Circuit Mute Control H : Single Mute L : Normal Stand-by Control(ex) H : Operation Mode(+5V) L : Stand-by Mode(0V) Ch2 OUT Ch1 IN GND Ch2 IN GND GND +VCC Load Short Protection Circuit -VCC (*4) R1 is changed depending on the power-supply voltage(-VCC). Please set resistance(R1) to become [V1 ≅0V] by the following calculation types. (*1) Please use restriction resistance as there is no Stand-by terminal voltage (#13pin) beyond maximun rating (VSTmax). Stand-by Control +5V +5V MUTE ST-BY ST-BY PLAY MUTE Mute Control GND Ch1 OUT 0.1 μF 56k Ω 6.8kΩ -VCC +VCC Ch1 OUT Ch1 OUT Ch2 OUT Ch2 OUT +PRE STK433-000N-E/100N-E series SUB GND Ch1 IN Ch1 NF ST-BY Ch2 NF Ch2 IN + + + + + + + + + [STK433-000N-E/100N-E series Stand-By Control Example] [Feature] • The pop noise which occurs to the time of power supply on/off can be improved substantially by recommendation Stand-By Control Application. • Stand-By Control can be done by additionally adjusting the limitation resistance to the voltage such as miccom, the set design is easy. (Reference circuit) STK433-000N-E/100N-E series test circuit To Stand-By Control added +5V. 12 13 14 15 11 10 9 8 7 6 5 4 3 2 1 -PRE -VCC +VCC Ch1 OUT Ch1 OUT Ch2 OUT Ch2 OUT +PRE STK433-000N-E/100N-E series SUB/AMP GND IC GND Ch1 IN ΔVBE ΔVBE IST Stand-By Circuit in PreDriver IC Stand-by Control H : Operation Mode(+5V) L : Stand-by Mode(0V) Switching transistor in the bias circuit #13pin Stand-By OFF threshold. ex)Stand-By Control Voltage VST=+5V VST is set by the limitation resistance(*1). .IST=(VST-VBE*2)/((*1)+(*2)) =(5v-0.6v*2)/(4.7k Ω+2.7kΩ) ≅0.513(mA) .VST=IST×4.7kΩ+VBE=0.513×4.7k+0.6≅3.0v Ch1 NF ST- BY Ch2 NF Ch2 IN 2.7k Ω (*1) 33k Ω 2k Ω (*3) 1k Ω (*3) 33 μF (*2) + 4.7k Ω (*2) VST [Operation explanation] #13pin Stand-By Control Voltage VST (1) Operation Mode The switching transistor in the bias circuit turns on and places the amplifier into the operating mode, when 13pin (VST) voltage added above 2.5V (typ 3.0V). (2) Stand-By Mode When 13pin (VST) voltage is stopped (= 0V), the switching transistor in the bias circuit turn off. placing the amplifier into the standby mode. (*1) The current limiting resistor must be used to ensure that stand-by pin (13pin) voltage does not exceed its maximum rated value VST max. (*2) The pop noise level when the power is turned on can be reduced by setting the time constant with a capacitor in operating mode. (*3) Determines the time constant at which the capacitor (*2) is discharged in stand-by mode. |
유사한 부품 번호 - STK433-060N-E |
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유사한 설명 - STK433-060N-E |
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