LB11970FV

Ordering number : ENA0707 LB11970FV www.DataSheet4U.com Monolithic Digital IC For Fan Motor Single-phase Full-wave Driver Overview The LB11970FV is a single-phase full-wave driver for fan motor. Functions Single-phase full-wave drive (16V to 1.2A output transistor incorporated) Variable speed function using thermistor input and external signal incorporated →Enables silent and low-vibration variable speed control through direct PWM control with separately-excited upper Tr Current limiter circuit (limit at IO=480mA with RL=1Ω connection, the limiter value determined with Rf) Kick-back absorption circuit incorporated Low-consumption, low-loss, and low-noise drive enabled by the soft switching circuit during phase shift Regeneration Di incorporated with less external parts HB incorporated Lock protection and automatic reset functions incorporated FG (rotation detection) output Thermal shutdown circuit incorporated Specifications Absolute Maximum Ratings at Ta = 25°C Parameter VCC maximum supply voltage VM maximum supply voltage OUT pin maximum output current OUT pin output withstand voltage Symbol VCC max VM max IOUT max VOUT max Conditions Ratings 17 17 1.2 18 Unit V V A V Continued on next page. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industri...