STA501

STA501 40V 3.5A DOUBLE POWER HALF BRIDGE s MINIMUM INPUT OUTPUT PULSE WIDTH DISTORTION 200mΩ RdsON COMPLEMENTARY DMOS OUTPUT STAGE CMOS COMPATIBLE LOGIC INPUTS THERMAL PROTECTION THERMAL WARNING OUTPUT UNDER VOLTAGE PROTECTION MULTIPOWER BCD TECHNOLOGY s s s s s PowerSO36 ORDERING NUMBER: STA501 DESCRIPTION STA501 is a monolithic dual half bridge stage in Multipower BCD Technology. The device is particularly designed to make the output stage of a mono All-Digital High Efficiency AUDIO APPLICATION CIRCUIT +3.3V IBIAS CONFIG PWRDN R57 10K R59 10K C58 100nF PWRDN FAULT 23 24 25 27 26 TRI-STATE TH_WAR TH_WAR VDD VDD 28 21 22 33 34 C58 100nF C60 100nF w C53 100nF w VSS VSS w 35 36 31 20 19 32 1 10 11 .D PROTECTIONS & LOGIC t a S a M17 e h 15 VCC 14 12 13 29 30 16 17 7 (DDX™) amplifier capable to deliver 50W @ THD = 10% at Vcc 30V output power on 8Ω load. The input pins have threshold proportional to Ibias pin voltage. t e C30 1µF C31 1µF U 4 .c m o +VCC C55 1000µF GND VCCB GND GND GND N.C. N.C. VCCA C32 1µF OUTA OUTA REGULATORS VCCSIGN 8 9 M15 L113 22µH C110 100nF C109 330pF R103 6 R104 20 VCCSIGN INA GND-Reg GND-Clean INB INA 6 GNDA 4 M16 VCCB C33 1µF OUTB OUTB R102 6 C111 100nF 3 2 C107 100nF C108 470nF C106 100nF INB GNDSUB N.C. N.C. L112 22µH M14 5 GNDB D02AU1447 September 2003 w w w .D at h S a t e e 4U . m o c 1/8 STA501 PIN FUNCTION N° 1 35 ; 36 15 12 7 4 14 13 6 5 16 ; 17 10 ; 11 8;9 2;3 29 30 31 32 21 ; 22 3...