NCP1027
NCP1027 is High Voltage Switcher manufactured by onsemi.
Features
- Built- in 700 V MOSFET with Typical RDS(on) of 5.8 W, TJ = 25°C
- Current- Mode Fixed Frequency Operation: 65 k Hz and 100 k Hz
- Fixed Peak Current of 800 m A
- Skip- Cycle Operation at Low Peak Currents
- Internal Current Source for Clean and Lossless Startup Sequence
- Auto- Recovery Output Short Circuit Protection with Timer- Based
Detection
- Auto- Recovery Overvoltage Protection with Auxiliary Winding
Operation
- Programmable Brown- Out Input for Low Input Voltage Detection
- Programmable Over Power Protection
- Input to Permanently Latchoff the Part
- Internal Frequency Jittering for Improved EMI Signature
- Extended Duty Cycle Operation to 80% Typical
- No- Load Input Standby Power of 85 m W @ 265 Vac
- 500 m W Loaded, Input Power of 715 m W @ 230 Vac
- These Devices are Pb- Free and are Ro HS pliant
Typical Applications
- Medium Power AC- DC Adapters for Chargers
- Auxiliary/Standby Power Supplies for ATX and TVS Power Supplies
Reference
230 VAC
90- 265 VAC
- 5.8 W
25 W-
15 W-
- Typical values, open- frame, 65 k Hz version, Rq JA < 75°C/W, TA = 50°C.
.onsemi.
MARKING DIAGRAM
8- LEAD PDIP P SUFFIX CASE 626A
P1027Pxxx AWL
YYWWG xxx = 65 or 100 A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb- Free Package
PIN CONNECTIONS
VCC Ramp p.
Brown- Out FB
GND OPP
(Top View)
Drain
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