AN701 Description
OF THE SI9114A BID/CMOS PWM CONTROLLER The Si9114A controller is similar in configuration to the Si9110. It uses a traditional constant frequency current mode control, the most monly used architecture. The duty cycle is limited to less than 50% to avoid problems with core reset.
AN701 Key Features
- + 4.6 V 20 mA R Q S +
- 1.25 V -VIN Substrate 20 mA OSC Out
- + 0.2 V + 9.2 V
- + Undervoltage Lockout