AN6657S - Panasonic Semiconductor

AN6657S Micromotor Forward/ Reverse Electronic Governors

Pin No. 1 Pin Name Constant Speed Setting Description Constant speed setting pin I/O O Voltage VCC – 1.3V 11 2 2 FF Setting FF speed setting pin O VCC – 1.3V 1 AN6657, AN6657S Equivalent Circuit VREF 3 3 Speed Control Controls the speed I 4 Phase Compensation Oscillation preventive phase compensation pin I 5 Motor Drive + Motor + pin connection p.

Features

• Wide operating supply voltage range ; V CC =4.5V to 14V
• Stable reference voltage (1.3V) and easy speed control
• Large starting torque and maximum control torque
• Good secular drift because of external power transistor
• Provided with the motor stop function ; ICC =20µA or less at stop time
• Capable of controlling forward/reverse rotation, fast forward/constant speed, and start/stop via 3 input pins 0.51min. 3.8±0.25 (3.45) 0.3
  – + 0.1 5 0.0 3 ~ 15˚ 7.62±0.25 16-Lead DIP Package (DIP016-P-0300E) s Applications
• Speed control
• of the micromotors for the radio cas- AN6657S Un.