Part number:
NCP1027
Manufacturer:
File Size:
520.42 KB
Description:
High voltage switcher.
Datasheet Details
Part number:
NCP1027
Manufacturer:
File Size:
520.42 KB
Description:
High voltage switcher.
NCP1027, High Voltage Switcher
Pin No.
Symbol Function 1 VCC Powers the Internal Circuitry 2 Ramp Comp.
Ramp Compensation in CCM 3 Brown *Out Brown *Out and Latchoff Input 4 FB Feedback Signal Input 5 Drain Drain Connection * * * 7 OPP Over Power Protection 8 GND The IC Grou
NCP1027 High-Voltage Switcher for Medium Power Offline SMPS Featuring Low Standby Power The NCP1027 offers a new solution targeting output power levels from a few watts up to 15 W in a universal mains flyback application.
Our proprietary high voltage technology lets us include a power MOSFET together with a startup current source, all directly connected to the bulk capacitor.
To prevent lethal runaway in low input voltage conditions, an adjustable brown out circuitry blocks the
NCP1027 Features
* Built
* in 700 V MOSFET with Typical RDS(on) of 5.8 W, TJ = 25°C
* Current
* Mode Fixed Frequency Operation: 65 kHz and 100 kHz
* Fixed Peak Current of 800 mA
* Skip
* Cycle Operation at Low Peak Currents
* Internal Current Source for Clean
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