NCP1203 Overview
NCP1203 PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit Protection Housed in SOIC−8 or PDIP−8 package, the NCP1203 represents a major leap toward ultra−pact Switchmode Power Supplies and represents an excellent candidate to replace the UC384X devices. Due to its proprietary SMARTMOS™ Very High Voltage Technology, the circuit allows the implementation of plete off−line...
NCP1203 Key Features
- High-Voltage Startup Current Source
- Auto-Recovery Internal Output Short-Circuit Protection
- Extremely Low No-Load Standby Power
- Current-Mode with Adjustable Skip-Cycle Capability
- Internal Leading Edge Blanking
- 250 mA Peak Current Capability
- Internally Fixed Frequency at 40 kHz, 60 kHz and 100 kHz
- Direct Optocoupler Connection
- Undervoltage Lockout at 7.8 V Typical
- SPICE Models Available for TRANsient and AC Analysis
NCP1203 Applications
- AC−DC Adapters for Notebooks, etc