The NCP1028 offers a new solution targeting output power levels from a few watts up to 15W 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 activity until sufficient input level is reached.
Current-mode operation together with an adjustable ramp compensation offers superior performance in universal mains applications.
Protection wise, a timer detects an overload or a short-circuit and stops all operations, ensuring a safe auto-recovery, low duty cycle burst operation. An integrated, auto-recovery.
Finally, a great RDS(on) figure makes the circuit an excellent choice for standby/auxiliary offline power supplies or applications requiring higher output power levels.
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NCP1028P065G
Last Shipments
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
65
Yes
Yes
5.6
700
800
Yes
N/A
Yes
Yes
Yes
Yes
No
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NCP1028P100G
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
100
Yes
Yes
5.6
700
800
Yes
N/A
Yes
Yes
Yes
Yes
No
Price N/A
More Details
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