ncp1396a ON Semiconductor, ncp1396a Datasheet - Page 3

• Manufacturer Part Number: ncp1396a
• Description: High Performance Resonant Mode Controller Featuring Highvoltage Drivers
• Manufacturer: ON Semiconductor

Fmax
Timer
BO
SS
DT
FB
Rt
I = Imax for Vfb = 5.3 V
I = 0 for Vfb < Vfb_min
Slow
Fault
RFB
ISS
Vdd
IBO
If FAULT Itimer else 0
+
+
Vref
Vref
Vref
Vref Fault
Vfb_fault
Vdd
+
−
+
Vdd
IDT
VBO
+
−
+
Itimer
Vref
C
+
-
Vdd
Vdd
Imin
Vfb ≤ Vfb_off
Imax
Vfb = 5
IDT
Vdd
+
−
+
+
Vfb_min
20 ms Noise
Vlatch
G = 1
+
−
+
−
+
Filter
PON
Reset
Fault
DT Adj.
Figure 2. Internal Circuit Architecture
+
−
> 0 only
V = V(FB) − Vfb_min
Timeout
Fault
20 ms Noise
SS
Filter
Vref
http://onsemi.com
D
Adjustment
Clk
Deadtime
Vdd
S
3
R
50% DC
Q
Q
Timeout
Fault
S
Fault
Fault
PON
Reset
Q
Temperature
Shutdown
Vref
Q
BO
Reset
R
FF
Fast
Fault
Vref Fault
Shifter
Level
PON Reset
−
+
+
UVLO
20 ns Noise
Filter
Mupper
Mlower
V
HB
NC
V
GND
Fast
Fault
BOOT
CC