LB11967V Overview
ENN8362 Monolithic Linear IC LB11967V Overview Bariable Speed Single-Phase Full-Wave Pre-Driver For Fan Motor The LB11967V is a single-phase bipolar variable speed fan motor predriver that works with an external PWM signal. A highly efficient, quiet and low power consumption motor driver circuit, with a large variable speed, can be implemented by adding a small number of external ponents. This device is optimal for...
LB11967V Key Features
- Pre-driver for single-phase full-wave drive ⇒ PNP-EMOS is used as an external power TR, enabling high-efficiency low-con
- External PWM input enabling variable speed control ⇒ Separately-excited upper direct PWM (f = 25kHz) control method, ena
- patible with 12V, 24V, and 48V power supplies
- Current limiter circuit incorporated ⇒ Chopper type current limit at start
- Reactive current cut circuit incorporated ⇒ Reactive current before phase change is cut to enable silent and low-consump
- Minimum speed setting pin ⇒ Minimum speed can be set with external resistor. The start assistance circuit enables start
- Constant-voltage output pin for Hall bias
- Lock protection and automatic reset functions incorporated
- (Rotation speed detection), RD (Lock detection) output