UTC1470

UTC 1470 DESCRIPTION LINEAR INTEGRATED CIRCUIT MOTOR SPEED REGULATORS The UTC 1470 is a monolithic integrated circuit intended as speed regulators for DC motors of record players, tape and cassette recorders etc . www.DataSheet4U.com FEATURES *Excellent Versatility in use. *High Output current. *Low Quiescent current. *Low Reference voltage. *Excellent parameters stability versus temperature. *Excellent characteristic at low supply voltage. 1 TO-126B 1: Vcc 2: RT 3: GND 4: MOTOR BLOCK DIAGRAM Vcc 1 RT 2 MO TO R 4 Vref CO MPARATO R STARTING CIRCUIT CURRENT MILLO R 3 G ND ABSOLUTE MAXIMUM RATINGS ( Ta=25°C ) PARAMETER Supply Voltage Circuit Current Package Dissipation Operating Temperature Storage Temperature SYMBOL VCC I4 PD Topt TSTG RATING 18 2* 1.2 -20 ~ +75 -40 ~ +150 *t≤5s UNIT V A W ℃ ℃ UTC UNISONIC TECHNOLOGIES CO. LTD 1 QW-R109-007,B UTC 1470 PARAMETER Supply Voltage Range LINEAR INTEGRATED CIRCUIT SYMBOL VCC RECOMMENDED OPERATING CONDITION PATING 3.5 ~ 16 UNIT V ELECTRICAL CHARACTERISTICS (Ta=25°C,Vcc=12V) CHARACTERISTIC SYMBOL TEST CONDITIONS MIN TYP 1.27 0.8 20 1.5 0.4 0.06 -0.02 -0.02 0.01 0.01 MAX 1.40 1.2 22 2.0 UNIT V mA V %/V %/V %/mA %/mA %/℃ %/℃ www.DataSheet4U.com Reference Voltage Quiescent Current Reflection Coefficient Saturation Voltage Vref Id k V4(sat) △k /△Vcc k △Vref Line Regulation /△Vcc Vref △k /△IM k △Vref Load Regulation /△IM Vref △k /△Ta k △Vref Temperature Coefficient /△Ta Vref *Pulse Test::PW≤10ms,Duty cycle≤2% ...