BA5933FP-Y

Optical disc ICs 3-channel BTL driver for CD players BA5933FP-Y The BA5933FP-Y is a 3-channel BTL driver for CD player actuators and motors. This IC has an internal 5V regulator and a standard operational amplifier, and comes in a HSOP 25-pin package, allowing for application miniaturization. FApplications CD players and CD-ROM drives FFeatures 1) 3-channel BTL driver. 2) HSOP 25-pin power package allows for application miniaturization. 3) Internal standby function. 4) Internal thermal shutdown circuit. FAbsolute maximum ratings (Ta = 25_C) 5) Gain is adjustable with an attached resistor. 6) Internal 5V regulator. (requires attached PNP transistor) 7) Internal standard operational amplifier. FRecommended operating conditions (Ta = 25_C) 176 Optical disc ICs FBlock diagram BA5933FP-Y 177 Optical disc ICs FPin descriptions BA5933FP-Y 178 Optical disc ICs FPin equivalent circuit diagrams BA5933FP-Y 179 Optical disc ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 5V, BIAS = 2.5V, RL = 8Ω) BA5933FP-Y 180 Optical disc ICs FMeasurement circuit BA5933FP-Y 181 Optical disc ICs FApplication example BA5933FP-Y 182 Optical disc ICs FOperation notes (1) The BA5933FP-Y has a thermal shutdown circuit. The output current is muted when the chip temperature rises above 175_C (typically). When the chip temperature falls to 150_C (typically), the driver circuit starts up again. (2) The output current can be muted by opening the mute pin (pin 6) vo...