NCP1234 Overview
Pin No Pin.
NCP1234 Key Features
- Fixed-Frequency Current-Mode Operation with Built-In Ramp
- 65 kHz or 100 kHz Oscillator Frequency version
- Timer-Based Overload Protection with Latched (option A) or
- High-voltage Current Source with Dynamic Self-Supply
- Frequency Modulation for Softened EMI Signature, including during
- Adjustable Overpower pensation
- Latch-off Input for Severe Fault Conditions, Allowing Direct
- VCC Operation up to 28 V, with Overvoltage Detection
- ±500 mA Peak Source/Sink Current Drive Capability
- 4.0 ms Soft-Start
NCP1234 Applications
- AC−DC Adapters for Notebooks, LCD, and Printers