AN6650_05

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 S O P -8 FEATURES *Wide operating supply voltage: Vcc=1.8V-7V *Few external components *Easy speed control mode D IP -8 *Pb-free plating product number: AN6650L ORDERING INFORMATION Order Number Normal Lead Free Plating AN6650-S08-R AN6650L-S08-R AN6650-S08-T AN6650L-S08-T AN6650-D08-T AN6650L-D08-T Package SOP-8 SOP-8 DIP-8 Packing Tape Reel Tube Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., 1 QW-R109-002.C AN6650 BLOCK DIAGRAM Comp. Input VREFVREF+ LINEAR INTEGRATED CIRCUIT VCC 4 1k Ω 1 2 R eference Voltage 3 Start Circuit 10k Ω 10k Ω Motor 7 8 Phase 5 GND 6 GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 QW-R109-002. C 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 *Test Time10kΩ 30mAcurrent 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 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. C AN6650 TEST CIRCUIT LINEAR INTEGRATED CIRCUIT V 8 7 6 5 Ra 4.7 Ω 8 7 6 5 0.1 µF 0.1 µF 1 2 3 4 1 µF 9.1kΩ 1 1kΩ 2 0.47 Ω 3 4 1 µF 10kΩ A VCC ∆VREF VREF VCC FIG.1 (Icc, ∆VCC ) FIG 2 (Vcc(s), Vsat) 8 Va Ra 1KΩ 7 6 5 8 7 6 5 0.1 µF 0.1 µF 1 9.1kΩ 1kΩ 2 10Ω 3 4 1 µF A 9.1kΩ 1 1kΩ 2 10Ω 3 4 1 µF VCC V VCC FIG.3 FIG 4 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 4 QW-R109-002. C