NCP1239
features a timer-based fault detection circuitry that ensures a quasi-flat overload detection, independent of the input voltage.
Features
- Fixed-Frequency 65-k Hz or 100-k Hz Current-Mode Control
Operation
- Frequency Foldback Down to 26 k Hz and Skip Mode to Maximize
Performance in Light Load Conditions
- Adjustable Over Power Protection (OPP) Circuit
- High-Voltage Current Source with Brown-Out (BO) Detection
- Internal Slope pensation
- Internal Fixed Soft-Start
- Frequency Jittering in Normal and Frequency Foldback Modes
- 64-ms Timer-Based Short-Circuit Protection with Auto-Recovery or
Latched Operation
- Pre-Short Ready for Latched OCP Versions
- Latched OVP on VCC
- Autorecovery for C and E Versions
- Latched OVP/OTP Input for Improved Robustness
- 35-V VCC Operation
- ±500 m A Peak Source/Sink Drive Capability
- Internal Thermal Shutdown
- Extremely Low No-Load Standby Power
- Pin-to-Pin patible with the Existing NCP1236/1247 Series
- These Devices are Pb-Free and are Ro HS...
