TA8427K 2001-02-07 1/5 toshiba bipolar linear integrated circuit silicon monolithic TA8427K power amplifier for driving a deflection circuit of a color television TA8427K is a power amplifier for driving a deflection circuit of a large and medium screen size color television. TA8427K is available for constructing a stable deflection circuit with small number parts in an application with a single chip signal processing ic ta8879n. features large output current ; 2.2a p-p (max.) small power dissipation with a pump-up circuit small number external parts block diagram terminal name 1. gnd 2. vertical output 3. pump-up power supply 4. input 5. phase compensation 6. power supply 7. pump-up output weight : 2.2g (typ.) ? toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in g eneral can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibi lity of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, a nd to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury o r damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handlin g guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. ? the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfun ction o r failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energ y control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion cont rol instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this docume n t shall be made at the customer?s own risk. 000707 eba2
TA8427K 2001-02-07 2/5 maximum ratings (ta = 25c) characteristic symbol rating unit power supply voltage v cc 30 v pump-up power supply voltage v vt 60 v terminal voltage e in gnd ? 0.3 ~ v vt +0.3 v input signal voltage e in 0 ~ 1.2 v deflection current id 1.5 (note 1:) a power dissipation p d 20 (note 2:) w operating temperature t opr ? 20 ~ 85 c storage temperature t stg ? 55 ~ 150 c note 1: power on time ; 2ms, v ceo = 60v note 2: using an infinite heat sink recommended operating condition characteristic symbol min. typ. max. unit power supply v cc ? 27 29 v deflection output current i 2p-p ? ? 2.2 a p-p ? the products described in this document are subject to the foreign exchange and foreign trade laws. ? the information contained herein is presented only as a guide for the applications of our products. no responsibility is assume d b y toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from i ts use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation o r others. ? the information contained herein is subject to change without notice. 000707 eba2
TA8427K 2001-02-07 3/5 electrical characteristics (ta = 25c, v cc = 24v) characteristic symbol test cir- cuit test condition min. typ. max. unit saturation voltage of the vertical output transistor (1) v v (sat) 1 1 note 1: 0.3 0.5 1.0 v saturation voltage of the vertical output transistor (2) v v (sat) 2 1 note 2: 1.0 1.8 3.6 v saturation voltage of the pump-up output transistor (1) v p (sat) 1 1 note 3: 1.0 2.0 3.0 v saturation voltage of the pump-up output transistor (2) v p (sat) 2 1 note 4: 0.2 0.8 1.6 v output current with no input i b ? 26.0 ? ma center output voltage v center 1 note 5: 10.0 12.0 14.0 v note 1: sw 1 : on, sw 2 : c, sw 3 : on, sw 4 : b, sw 5 : a, sw 6 : a measure the voltage of pin 2. note 2: sw 1 : on, sw 2 : c, sw 3 : on, sw 4 : a, sw 5 : a, sw 6 : b measure the voltage of pin 2, v 2 . v v (sat) 2 = v cc ? v 2 note 3: sw 1 : on, sw 2 : b, sw 3 : off, sw4 : a, sw 5 : c, sw 6 : a measure the voltage of pin 7, v 7 . v p (sat) 1 = v cc ? v 7 note 4: sw 1 : off, sw 2 : c, sw 3 : off, sw 4 : a, sw 5 : b, sw 6 : b measure the voltage of pin 7. note 5: sw 1 : on, sw 2 : a, sw 3 : on, sw 4 : c, sw 5 : a, sw 6 : b measure the sink current into pin 3. measure the voltage of pin 2.
TA8427K 2001-02-07 4/5 test circuit 1 application circuit
TA8427K 2001-02-07 5/5 package dimensions weight: 2.2g (typ.)
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