LB1825

Ordering number : EN4845B Monolithic Digital IC LB1825 Three-Phase Brushless Motor Driver Overview The LB1825 is a three-phase brushless motor driver IC optimal for LBP polygon mirror and magneto-optical disk spindle motor drive. Package Dimensions unit: mm 3147A-DIP28H [LB1825] Functions and Features Three-phase full-wave current control drive PLL speed control Internal 24-mode clock divisor switching Phase lock detector output FG/Hall FG selection Current limiter circuit 7 V stabilized power supply output pin Reverse torque braking Crystal oscillator circuit Internal/external reference frequency selection Built-in FG amplifier and FG pulse output Forward/reverse rotation switching Low power supply voltage protection circuit Thermal protection circuit SANYO: DIP28H Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max IO max Pd max1 Pd max2 Topr Tstg t < 0.1 s Independent IC With an arbitrarily large heat sink Conditions Ratings 30 2.0 3 20 –20 to +80 –55 to +150 Unit V A W W °C °C SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 83097HA (OT)/N3095HA (OT)/91494TH (OT) No. 4845-1/9 LB1825 Allowable Operating Ranges at Ta = 25°C Parameter Supply voltage Symbol VCC Conditions Ratings 10 to 28 Unit V Electrical Characte...