NCP1396B ON Semiconductor, NCP1396B Datasheet - Page 25

• Manufacturer Part Number: NCP1396B
• Description: High Performance Resonant Mode Controller featuring High-voltage Drivers
• Manufacturer: ON Semiconductor

The device incorporates an upper UVLO circuitry that
makes sure enough Vgs is available for the upper side
MOSFET. The B and A outputs are delivered by the
internal logic, as figure 46 testifies. A delay is inserted in
the lower rail to ensure good matching between these
propagating signals.
fault
B
A
Figure 51. The Internal High-voltage Section of the NCP1396
Pulse
trigger
Delay
NCP1396A, NCP1396B
http://onsemi.com
Level
shifter
25
As stated in the maximum rating section, the floating
portion can go up to 600VDC and makes the IC perfectly
suitable for offline applications featuring a 400V PFC
front-end stage.
S
R
Q
Q
UVLO
Vboot
HB
Mupper
Vcc
Mlower
GND
cboot
dboot
aux
Vcc
HV