KA9259D Fairchild Semiconductor, KA9259D Datasheet
KA9259D
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KA9259D Summary of contents
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... Automotive compact disk player (CDP) • Other compact disk media ©2000 Fairchild Semiconductor International www.fairchildsemi.com Description The KA9259D is a monolithic integrated circuit, suitable for 5-ch motor driver which drives focus actuator, tracking actu- ator, sled motor, spindle motor and loading motor of CD sys- tem. 28-SSOPH-375 ...
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... Pin Assignments FIN (GND KA9259D FIN (GND) 2 KA9259D ...
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... KA9259D Pin Definitions Pin Number Pin Name 1 DO1.1 2 DO1.2 3 DI1.1 4 DI1.2 5 REB 6 REO 7 MUTE 8 GND1 9 DI5.1 10 DI2 11 DO2.1 12 DO2.2 13 GND2 14 DI5.2 15 DO5.1 16 DO5.2 17 DO3.1 18 DO3.2 19 DI3 20 LD CTL 21 V CC1 22 V CC2 23 VREF 24 DI4.1 25 DI4.2 26 DO4.1 27 DO4.2 28 GND3 I/O Pin Function Description ...
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... Level shift 10k 10k Level shift + 10k FIN (GND 10k TSD 2.5V Regulator Mute 10k 10k 50k FIN (GND 10k + + Level Level shift shift 10k COMP 10k Level shift + 10k KA9259D ...
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... KA9259D Equivalent Circuits Driver input (Except for loading motor driver) 2.5V 10k Loading motor driver input 9 50k 50k 50k 50k 50k 50k Mute input 50k 7 50k 10k 0.58k 4 24 Loading motor speed control input 14 50k 50k 50k 50k 50k 5 Driver output ...
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... Recommended Operating Condition ( Parameter Operating supply voltage Symbol V CC MAX OPR T STG I OMAX 1.57mm PCB (Phenolic resin material 100 125 150 175 Symbol KA9259D Value Unit 18 V note 1 + +150 Ambient temperature Value Unit 6 ~ 13.2 V ...
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... KA9259D Electrical Characteristics (Ta= =8V f=1kHz, unless otherwise specified Parameter Quiescent circuit current Mute-on current Mute-on voltage Mute-off voltage REGULATOR PART Output voltage Load regulation Line regulation DRIVER PART (Except for loading motor driver) Input offset voltage Output offset voltage 1 ...
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... When the chip temperature rises up to 175 C, then the turn-on voltage of the Q11 would drop down to 400mV. Hence, the Q11 would turn on so the output circuit will be muted. 3. REGULATOR 7 V REF BG Output driver bias R11 Q11 R12 5 I VREF Output driver bias KSB772 V OUT (5V 100 F KA9259D ...
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... KA9259D • The V is the output voltage of the band-gap-referenced biasing circuit and is the reference voltage of the regulator. REF BG • The external circuit is composed of the transistor, KSB772 and a capacitor, 100 F, and the capacitor is used as a ripple eliminator and should have a good temperature characteristics. ...
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... Radiation fin is connecting to the internal GND of the package. Connect the fin to the external GND. I Buffer + Level shift Buffer + then the direction of the motor in forward direction. REF , then the direction of the motor in reverse direction. REF V CC2 CC1 104 10 KA9259D ...
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... KA9259D Typical Perfomance Charateristics Vcc vs. Icc Vcc[V] Vcc vs. Isou 900 800 700 600 500 400 300 200 Vcc[ 7.5 7.0 6.5 6.0 5.5 5 Vcc[ pin23=2 1000 ...
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... Typical Perfomance Charateristics (Continue) Vcc vs. Vreg 6.0 5.5 5.0 4.5 4.0 3.5 3 7.0 6.0 5.0 4.0 3.0 Vcc=vari pin23=2.5 2.0 RL Vcc[V] 12 KA9259D Frequency vs. Avf 1 100 10000 1000000 ...
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... VCC TRACKING CTL 100 Ripple + SW18 SW17 SW16 2. VREF VCC2 VCC1 LD ctl KA9259D REO MUTE GND DI5.1 DI2 VCC Mute 1 SW5 + Loading forwaed + IL ~ 100 F Spindle 13 3 SW13 SW12 VCC 8 3 SW14 ...
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... KA9259D REO MUTE GND DI5 VCC 5V out MUTE + Low: ON 100 F High: OFF 14 CONTROLLER FORWARD REVERSE SLED LOADING MOTOR MOTOR DI3 DO3.2 DO3.1 DO5.2 DO5.1 DI2 DO2.1 DO2.2 GND2 DI5 SPINDLE MOTOR KA9259D ...
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... KA9259D DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...