LA6544H is a 4CH bridge (BTL) driver developed for CD-ROM.

Function
▪ Bridge connection (BTL) POWER AMP 4CH.
▪ VCE (remaining voltage) is small by using 2 power supplies (CH1 ~ 3).
▪ IO MAX 1A.
▪ With MUTE circuit (output ON / OFF).
    (Output is OFF when MUTE is LOW, and output is ON when HI. MUTE1: operates on CH1, MUTE2: CH2, 3, 4).
▪ Built-in overheat protection circuit (thermal shutdown).
▪ Divide the output stage power supply (VS1: CH1,2,3 VS2: CH4).