NCP1212

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.
1. This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM) ±2.0 kV per JEDEC standard: JESD22−A114. Machine Model (MM) ±200 V per JEDEC standard: JESD22−A115.
2. Latchup Current Maximum Rating: ±150 mA per JEDEC standard: JESD78.

NCP1212 is a high performance current mode PWM controller specifically designed for off−line and DC−to−DC converter applications.

The NCP1212 requires very few external components and offers designer additional protection for better system reliability.

The NCP1212 features a trimmed oscillator for precise Duty Cycle control, accurate bandgap voltage reference, high gain error amplifier, current sensing comparator and a high current totem pole output gate driver that ideally drives the external power MOSFET. Additionally, the device has built−in programmable Brownout Detect and Soft−Start features to enhance system reliability. Also, the 48%/82% selectable maximum turn on Duty Cycle control and external programmable switching frequency capabilities make this device an ideal controller for both forward and flyback configurations. This device is available in both PDIP−8 and space saving SOIC−8 packages.