LB11683H Datasheet (Sanyo Semicon Device) - Three-Phase Sensorless Motor Driver

LB11683H, Three-Phase Sensorless Motor Driver

3-phase motor driver output Pin Voltage Equivalent Circuit VCC 3.9kΩ 10kΩ 20µA 3 1 27 28 21 20 19 VCC 1 28 27 21 20 19 10kΩ 200Ω 200Ω 200Ω 19 WIN 18 C1 Triangular wave generating capacitor connection pin.

This triangular wave performs soft-switching of the coil output waveforms.

15µA 15µA

LB11683H Features

* a current soft switching circuit and is optimal for driving the cooling fan motors used in refrigerators, etc. Functions

* Current linear drive

* Built-in current limiter circuit

* Output stage oversaturation prevention circuit

* Coil counter-electromotive FG output