D6650 ETC
Document overview
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Technical content
SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC MOTOR SPEED CONTROL CIRCUIT D6650 GENERAL DESCRIPTION The D6650 is a monolithic integrated circuit designed for the tape recorder.
FEATURES
z Wide operating supply voltage : Vcc=1.8V~7V z Few external components z Easy Speed control mode Outline Drawing B L O C K D I A G R A M P I N N I N G 10K Voltage Circuit Start 2 34 5 6 MOTOR PHASE GND GND VccVREF+VREF-INPUT COMP. Reference VREF- VREF+ Vcc COMP. GND GND MOTOR PHASE D6650 INPUT
SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC MAXIMUM RATINGS Characteristics Symbol Value Unit Supply V oltage Vcc 7.5 V Terminal V oltage Vn(n=1,2,3,4) -0.5~7.5 V Terminal 8 V oltage V8 -0.5~1 V Supply Current Icc 1000 mA Terminal 7 Current I7 1000 mA Power Dissipation PD 750 mW Operating Temperature Range Topr -20~70 °C Storage Temperature Range Tstg -40~150 °C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified Vcc=6V ,Tamb=25 °C,f=1kHz) Characteristic Symbol Test Condition Test Circuit Min. Typ. Max. Unit Quiescent Circuit Current Icc Vcc=3V 1 - 2 3 mA Reference V oltage V REF Vcc=3V , R2-1 >10kΩ 4 1.20 1.28 1.35 V Start V oltage Vcc(s) 30mA curren t flow to Ra 2 1.0 1.2 V Saturation V oltage Vsat Vcc=1.8V , Ra=4.7Ω 2 0.2 0.5 V Reference V oltage Characteristics Output V oltage Characteristics Reference V oltage Current Characteristics I7 =1mA~20mA 4 -0.2 0.01 0.2 %/mA Reference V oltage Temperature Characteristics Ta=-20~60 °C,
SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC TEST CIRCUIT 0.1uF 0.47 1.0uF 2 3 4 567 V D6650 Vcc 9.1K Ra 4.7 Fig.1 Fig.2 0.1uF 1.0uF 2 3 4 567 A D6650 Vcc 9.1K V Fig.3 Fig.4 0.1uF 10K 1.0uF 2 3 4 567 A D6650 Vcc 0.1uF 1.0uF 2 3 4 567 Va D6650 Vcc 9.1K Ra 4.7
SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC Application Circuit 0.1uF 1.0uF 2 3 4 567 M D6650 Vcc 9.1K 0.4 510 1000pF Ro=4