KA9258CDTFNL Fairchild Semiconductor, KA9258CDTFNL Datasheet

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KA9258CDTFNL

Manufacturer Part Number
KA9258CDTFNL
Description
Manufacturer
Fairchild Semiconductor
Datasheet

Specifications of KA9258CDTFNL

Operating Temperature Classification
Industrial
Package Type
SSOPH-375
Operating Supply Voltage (min)
6V
Operating Supply Voltage (max)
13.2V
Lead Free Status / RoHS Status
Compliant
Features
• 4-CH Balanced Transformerless(BTL) Driver
• Output Gain Adjustable
• Built in OP-Amplifier
• Built in Mute Function
• Built in Thermal Shutdown Circuit (TSD)
• Operating Range 6 ~ 13.2V
Typical Applications
• Compact Disk Player (CDP)
• Video Compact Disk Player (VCD)
• Automotive Compact Disk Player
• Other Compact Disk Media
©2003 Fairchild Semiconductor Corporation
KA9258D(KA9258CD)
4-Channel Motor Driver
Description
The KA9258D is a monolithic integrated circuit, suitable for
4-CH motor driver which drives tracking actuator, focus
actuator, sled motor and spindle motor of compack disk
player system.
Ordering Information
KA9258CDTF 28-SSOPH-375
KA9258CD
28-SSOPH-375
Device
28-SSOPH-375
Package
www.fairchildsemi.com
Operating Temp.
-40°C ~ +85°C
-40°C ~ +85°C
Rev. 1.0.4

Related parts for KA9258CDTFNL

KA9258CDTFNL Summary of contents

Page 1

... Compact Disk Player (CDP) • Video Compact Disk Player (VCD) • Automotive Compact Disk Player • Other Compact Disk Media ©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com Description The KA9258D is a monolithic integrated circuit, suitable for 4-CH motor driver which drives tracking actuator, focus actuator, sled motor and spindle motor of compack disk player system ...

Page 2

KA9258D(KA9258CD) Pin Assignments FIN KA9258D FIN ...

Page 3

Pin Definitions Pin Number Pin Name 1 DO1.1 2 DO1.2 3 DI1.1 4 DI1.2 5 REG 6 REO 7 MUTE 8 GND1 9 DI2.1 10 DI2.2 11 DO2.1 12 DO2.2 13 GND2 14 OPOUT 15 OPIN(-) 16 OPIN(+) 17 DO3.1 ...

Page 4

KA9258D(KA9258CD) Internal Block Diagram 10K 10K 2.5V 10K 10K FIN 23 22 TSD 4-CH BTL Driver Output 10K 10K FIN 10K ...

Page 5

Equivalent Circuits Driver Input VCC 10k 2.5V 100 Regulator VCC VCC 50 5 Mute Input VCC 50 50k VCC 53k 23k 10k 100k 50k KA9258D(KA9258CD) Driver Output 11.8k 1 ...

Page 6

KA9258D(KA9258CD) Equivalent Circuits (Continued) OP-AMP Output VCC VCC OP-AMP Input VCC VCC VCC 50 50 4.8k 4.8k 16 ...

Page 7

Absolute Maximum Ratings (Ta = 25°C) Parameter Supply Voltage Power Dissipation Operating Temperature Storage Temperature Maximum Output Current Note: When mounted on 76.2mm × Power dissipation reduces 13.6mW not exceed Pd and SOA (Safe Operating Area). ...

Page 8

KA9258D(KA9258CD) Electrical Characteristics (Ta = 25°C) (Ta=25°C, V =8V, R =8Ω, f=1kHz, unless otherwise specified Parameter REGULATOR PART Regulator Output Voltage Load Regulation Line Regulation DRIVER PART (EXCEPT FOR LOADING MOTOR DRIVER) Quiescent Circuit Current (Note1) Input Offset ...

Page 9

Application Information 1. Mute Function Pin 7 Mute circuit High Mute-off Low Mute-on Open Mute-on • When the mute (pin 7) is high level, the bias circuit of BTL driver is activated. On the other hand, when the mute (pin7) ...

Page 10

KA9258D(KA9258CD) 4. Balanced Transformerless(BTL) Driver V REF 23 3 10K 4 BTL Driver • The voltage the reference voltage given by the bias voltage of the pin #23. REF • The input signal through the pin #3 ...

Page 11

Typical Performance Characteristics • Test contrions:V =2.5[V], Mute : OFF REF Figure 1. V vs. AVF CC Figure Figure =8[ Ω] R LOAD At mute on MUTE =4[ Ω] R ...

Page 12

KA9258D(KA9258CD) Test Circuits 0 0 SW8 1 SW9 4Ω V 8Ω SW10 SW13 8Ω 4Ω 4Ω SW11 SW12 50kΩ 50kΩ OPI + 470µF 1MΩ 10µF PC-V SW17 + V 10kΩ ...

Page 13

Application Circuits SLED BIAS TEACKING Servo Pre-amp FOCUS SPINDLE Focus Actuator VCC KSB772 Mute Spindle M Motor KA9258D(KA9258CD) Tracking Actuator VCC Sled M Motor 13 ...

Page 14

... KA9258D(KA9258CD) 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. ...

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