NCP1055 regulator equivalent, monolithic high voltage gated oscillator power switching regulator.
an active startup regulator circuit that eliminates the need for an auxiliary bias winding on the converter transformer, fault detector and a programmable timer for conve.
they are capable of providing an output power that ranges from 6.0 W to 40 W with a fixed AC input of 100 V, 115 V, or 2.
Pin
Pin
(SOT−223) (PDIP−8)
Function
1
1
VCC
2
2
Control Input
4
3, 7, 8
Ground
−
4
No Connection
3
5
Power Switch
Drain
Description
This is the positive supply voltage input. During startup, power is supplied to this input from P.
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