LB1824

Ordering number : EN4264A Monolithic Digital IC LB1824 Power Brushless Motor Driver for OA Equipment Overview The LB1824 produces the direct PWM drive output appropriate for the brushless motors used in office data processing (OA) equipment, and integrates on a single chip the speed control circuits, FG amplifier, and other circuits required to form the drive circuit. Package Dimensions unit: mm 3147A-DIP28HS [LB1824] Features Breakdown voltage: 30 V, output current: 2.5 A Direct PWM drive output Crystal oscillator circuit Speed discriminator plus PLL speed control system Forward/reverse switching circuit Start/stop switching circuit Current control circuit Overheating protection circuit Built-in FG amplifier Lock detection output Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VM max IO max Pd max1 Pd max2 Topr Tstg T ≤ 100 ms The IC independently With an arbitrary large heat sink Conditions Ratings 30 30 2.5 3 20 –20 to +80 –55 to +150 Unit V V A W W °C °C Allowable Operating Ranges at Ta = 25°C Parameter Supply voltage range Supply voltage range FG Schmitt output, applied voltage Symbol VCC VM VFGS IO1 Fixed voltage output current IO2 IO3 FG Schmitt output, output current Lock detection output current IFGS ILD 7 V output 5 V output 4 V output Conditions Ratings 9.5 to 28 9 to 28 0 to 8 0 to –20 0 to –20 0 to –1...