AN6650_10

UNISONIC TECHNOLOGIES CO., AN6650 MOTOR SPEED CONTROL CIRCUIT DESCRIPTION The UTC AN6650 is a monolithic integrated circuit, designed for the tape recorder. LINEAR INTEGRATED CIRCUIT FEATURES *Wide Operating Supply Voltage: VCC=1.8V-7V *Few External Components *Easy Speed Control Mode ORDERING INFORMATION Normal AN6650-S08-R AN6650-D08-T Ordering Number Lead Free AN6650L-S08-R AN6650L-D08-T Halogen Free AN6650G-S08-R AN6650G-D08-T Package SOP-8 DIP-8 Packing Tape Reel Tube www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., 1 QW-R109-002.D AN6650 BLOCK DIAGRAM Comp. Input LINEAR INTEGRATED CIRCUIT VREF- VREF+ VCC 4 1k 1 2 R eference Voltage 3 Start Circuit 10k 10k Motor 7 8 Phase 5 GND 6 GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 QW-R109-002. D AN6650 ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Terminal Voltage Terminal 8 Voltage Supply Current Terminal 7 Current Power Dissipation Operating Temperature Storage Temperature Note: Test Time10kΩ 30mA current flow to Ra VCC=1.8V, Ra=4.7Ω VCC=1.8V ~ 7.0V TEST CIRCUIT 1 4 2 2 1 MIN TYP 2 1.28 1.0 0.2 0.1 MAX 3 1.35 1.2 0.5 1.25 UNIT mA V V V %/V 1.20 -1.25 Output Voltage Characteristics Reference Voltage Current Characteristics Reference Voltage Temperature Characteristics VREF VREF TA VCC=1.8V ~ 7.0V 3 -1.2 0.1 1.2 %/V I7=1mA ~ 20mA 4 -0.2 0.01 0.2 %/mA Ta=-20 ~ +60°C, VCC=3.0V 4 0.01 %/°C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 QW-R109-002. D AN6650 TEST CIRCUIT LINEAR INTEGRATED CIRCUIT V 8 7 6 5 Ra 4.7 8 7 6 5 0.1 F 0.1 F 1 10k 2 3 4 1 F 9.1k 1 2 0.47 3 4 1 F A VCC VCC 9.1k 9.1k 1k 1k 1k VREF Fig.4 ( V REF VREF ,V REF I7 ) TA UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 QW-R109-002. D AN6650 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 QW-R109-002. D