AN6651

UNISONIC TECHNOLOGIES CO., LTD AN6651 MOTOR SPEED CONTROL CIRCUIT DESCRIPTION The UTC AN6651 is a monolithic integrated circuit designed for the rotating control of a compact DC motor which is used for a tape recorder, recorder player etc. LINEAR INTEGRATED CIRCUIT FEATURES *Wide operating supply voltage: VCC=3.5V ~ 14.4V *Small four-lead plastic packer for compact motor. *Few external components *Stable low reference voltage (1.0V, typical) *Wide motor speed setting *Reverse voltage protection circuit built-in *Pb-free plating product number: AN6651L ORDERING INFORMATION Ordering Number Normal Lead Free Plating AN6651-T6B-K AN6651L-T6B-K Package TO-126B Packing Bulk PIN DESCRIPTIONS PIN NO. 1 2 3 4 PIN NAME VCC CONTROL GND MOTOR PIN FUNCTION Supply Voltage Control signal input GND Connected to the motor. www.unisonic.com.tw 1 of 5 QW-R109-003,B Copyright © 2008 Unisonic Technologies Co., Ltd AN6651 BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R109-003,B AN6651 ABSOLUTE MAXIMUM RATINGS (TA=25°C) PARAMETER LINEAR INTEGRATED CIRCUIT SYMBOL RATINGS UNITS Supply Voltage VCC 14.4 V Supply Current t ≤5 sec ICC 2000 mA Power Dissipation (TA=25°C) PD 1300 mW Vn-3 -0.5 ~ +14.4 V Terminal Voltage (n=1,2,4) I1 150 Terminal Current I2 100 mA I3 -2000(min) Terminal Current t ≤5 sec 1750 I4 Operating Temperature TOPR -20 ~ +75 °C Storage Temperature TSTG -40 ~ +150 Note Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified) PARAMETER Reference Voltage Base Current Current Proportional Constant Saturation Voltage Voltage Characteristics 1 ΔK / K ΔVCC ΔVREF / VREF Δ I4 ΔK / K Δ I4 ΔVREF / VREF Δ TA TA=-20~+75°C,VCC=6V,RA=1kΩ TA=-20~+75°C, ΔI4=40mA I4=50mA~200mA -0.01 KHZ SYMBOL VREF IBIAS K VSAT TEST CONDITIONS VCC=6V, RA =1kΩ VCC=6V VCC=6V, ΔI4=40mA VCC=4.2V, RA =5.0kΩ VCC=3.5V~14V, RA =1kΩ VCC=3.5V~14V, ΔI4=40mA MIN 0.85 35 TYP 1.00 0.8 40 1.15 -0.1 MAX UNITS 1.15 V 1.8 mA 45 2.0 V μA Voltage Characteristics 2 0.2 % -0.02 Current Characteristics 1 Current Characteristics 2 Temperature Characteristics 1 0.01 %/°C 0.01 Temperature Characteristics 2 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R109-003,B AN6651 TYPICAL APPLICATION CIRCUIT LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R109-003,B AN6651 TYPICAL CHARACTERISTICS 2.0 1.6 1.2 (2) 0.8 0.4 0 -20 Power Dissipation vs.Temperature (1) With a 10×10mm blakelite PDB(35μm Cu leaf) (2) Without heat sink (1) LINEAR INTEGRATED CIRCUIT 100 20 60 140 Ambient Temperature,TA (°С) 180 U TC 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 of 5 QW-R109-003,B