Summary

SC2307 with built-in Asynchronous Automatic boost module provides abundant power output to the speaker, and the maximum boost value provides abundant power output to the speaker, and the maximum boost value can be selected between 5.7V, 6.6V, 7.2V and 7.5V. When the input signal is small, the boost circuit does not work, and the four voltage values are optional. When the input signal is small, the booster circuit does not work and Class D is directly supplied by the power supply; when the input signal becomes larger, the booster module is automatically turned on to boost the intermediate level to supply the power directly to the class D; when the input signal becomes larger, the booster module is automatically turned on to boost the intermediate level to supply the power to the class D; when the input signal becomes larger, the booster module is automatically turned on to boost the intermediate level to supply the class D. When the input signal becomes larger, the boost circuit continues to boost to the maximum voltage set by the user to supply power to category D, which can improve the efficiency of the system and prolong the battery life. Class I power supply, which can improve the efficiency of the system and extend the battery life. SC2307 has AGC anti-breaking function, can significantly improve the quality of sound, create a comfortable audio enjoyment anti-breaking function, can significantly improve the quality of sound, create a comfortable audio enjoyment, and protect the loudspeaker from overload damage. SC2307 has class AB/D mode switching function, switching to class AB can reduce the interference of FM power amplifier in the system. The fully differential architecture of SC2307 effectively improves the chip's ability to suppress RF noise. PWM modulation structure without filter and built-in boost module reduce peripheral devices as much as possible. In addition, SC2307 has built-in overcurrent protection, short circuit protection and overheat protection, which effectively protects the chip from being damaged under abnormal working conditions.

Characteristic

・Input voltage range: 3V~5.5V

・Built-in self-adaptive boost circuit to automatically boost the output voltage to

5.7/6.6V/7.2/7.5V

・AGC  Anti-breaking Sound Function

・Class D/AB switching

・ Class D PWM output without filtering

・ Output power P O (Class D @10% THD+N,

V BAT = 3.7V ）

R L =2Ω,10W(BOOST  BOOST boost value is 7.5V)

R L =2Ω,8.5W(BOOST  BOOST boost value is 6.6V)

R L =4Ω,7.0W(BOOST  BOOST boost value is 7.5V)

R L =4Ω,5.6W(BOOST  BOOST boost value is 6.6V)

・ Overcurrent, Short Circuit, Undervoltage and Overtemperature Protection Functions

・Rohs Standard Environmentally Friendly Packaging:

SOP 8-PP with radiator