Ordering number : EN1463D Monolithic Linear IC 3.5W Monaural Power Amplifier LA4265 Overview LA4265 is a 3.5W monaural power amplifier. Features Minimum number of external parts required (No input capacitor, bootstrap capacitor required). High output : 3.5W typ (V = 16V, R = 8, THD = 10%). CC L Soft clip, causing little harmonic disturbance to radios. Small pop noise at the time of power switch ON/OFF. Built-in protector against abnormal modes (Thermal shutdown, overvoltage) Specifications Absolute Maximum Ratings at Ta = 25C Parameter Symbol Conditions Ratings Unit Maximum supply voltage V max 25 V CC Maximum output current I Peak 2A O 3 Allowable power dissipation Pd max With 1001201.5mm Al heat sink 7.5 W Operating temperature Topr 20 to +75 C Storage temperature Tstg 40 to +150 C Operating Conditions at Ta = 25C Parameter Symbol Conditions Ratings Unit Recommended supply voltage V 16 V CC Recommended load resistance R 8 L Operating supply voltage range V 9 to 24 V CC Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard tostandard applicatio, intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for anyspecial applicatio (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer sproductsor equipment. 82008 MS JK/21500TH (KT)/33194HO/0237KI/8064KI/4034KI, TS No.1463-1/9 3 1001201.5mm 3 50501.5mm No heat sink LA4265 Electrical Characteristics at Ta = 25C, V = 16V, R = 8, f = 1kHz, R = 600, See specified test circuit CC L g (based on sample application circuit). Ratings Parameter Symbol Conditions Unit min typ max Quiescent current I 35 50mA CCO Voltage gain VG 48 50 52 dB Qutput power P THD = 10% 3.0 3.5 W O Total harmonic distortion THD P = 0.5W 0.3 1.0 % O Output noise voltage V Rg = 10k, BPF = 20Hz to 20kHz 0.65 1.5 mV NO Ripple rejection SVRR Rg = 0, f = 100Hz, V = 0.5V 40 50 dB R R Package Dimensions unit : mm (typ) 3018B Pd max -- Ta 8 25.75 max Infinite heat sink Al heat sink 7.5 25.2 mounting torque 7 (R3.6) 24.0 39N cm 3.6 Silicone grease 12.0 6 applied Thermal resistance 5 between junc- tion and 4 outside air 3 j-c 2.5 10C/W 2 1 0 1 -20 0 20 40 60 80 100 120 140 160 10 Ambient temperature, Ta -- C (1.17) 0.5 0.45 2.54 1.3 1.6 SANYO : SIP10FD Block Diagram decoupling V CC 5 3 clipper diode overvolt. ripple 8 protect. filter thermal protect. input 10 pre output feedback input driver output 2 56 9 20k 6 7 1 phase phase GND comp comp 1 2 No.1463-2/9 1.6 min (8.4) 13.5 16.7 max 3.5 Allowable power dissipation, Pd max -- W