AN6651

www.DataSheet4U.com AN6651 LINEAR INTEGRATED CIRCUIT MOTOR SPEED CONTROL CIRCUIT DESCRIPTION The 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. 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 1: Vcc 1 TO-126B 2: CONTROL 3: GND 4: MOTOR BLOCK DIAGRAM Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: [email protected] www.DataSheet4U.com AN6651 PARAMETER Supply Voltage Supply Current (note 1) Power Dissipation (Ta=25°C) (note 2) Operating Temperature Storage Temperature Terminal Voltage Terminal Current Terminal Current Terminal Current (note 1) Terminal Current (note 1) LINEAR INTEGRATED CIRCUIT SYMBOL VCC ICC PD TOPR TSTG Vn-3 (n=1,2,4) I1 I2 I3 I4 ABSOLUTE MAXIMUM RATINGS (Ta=25°C) VALUE 14.4 2000 1300 -20 to +75 -40 to +150 -0.5 to +14.4 150 100 -2000 (MIN.) 1750 UNIT V mA mW °C °C V mA mA mA mA Note 1: t≤5 sec Note 2: Ta=25°C, with a 10 x 10 mm bakelite PCB (3.5µm Cu leaf) ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified) PARAMETER Reference Voltage Base Current Current Proportional Constant Saturation Voltage Voltage Characteristics 1 SYMBOL Vref Ibias K VSAT ∆...