FSEZ1216B

This highly integrated PWM controller of FSEZ1216B provides several features to enhance the performance of low-power flyback converters. The proprietary topology enables most simplified circuit design especially for battery charger applications. A low-cost, smaller, and lighter charger results when compared to a conventional design or a linear transformer. The startup current of FSEZ1216B is only 10?A, which allows large startup resistance for further power saving.

To minimize the standby power consumption, the proprietary green-mode function provides off-time modulation to linearly decrease PWM frequency under light-load conditions. This green-mode FSEZ1216B function assists the power supply in meeting power conservation requirements.

By using FSEZ1216B, a charger can be implemented with few external components and minimized cost.

FSEZ1216B series controllers are available in an 8-pin DIP package.