NCL30125 - Current-Mode Controller
Pin No.
Pin Name 1 HV 2 NC 3 Fault 4 BO 5 FB 6 RT 7 SS 8 FW 9 CS 10 Vcc 11 GND 12 DRV_LO 13 NC 14 DRV_HI 15 HB 16 Boot Description Connected to the rectified ac line, this pin powers the internal current source to deliver a startup current.
Non *connected fo
DATA SHEET www.onsemi.com Current-Mode Controller, Fixed Frequency, for Two-Switch Forward Converter NCL30125 The NCL30125 is a fixed frequency current mode controller featuring the Dynamic Self Supply (DSS).
This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during start up, transients, latch, stand by etc.
With a supply range up to 35 V, the
NCL30125 Features
* a timer
* based fault detection that ensures the detection of overload and a brown
* out protection against low input voltages. Features
* Integrated High
* side Driver
* Adjustable Switching Frequency Up to 300 kHz
* Peak Current
* mode Control
* Skip Mode to
