NCP1236BD100R2G ON Semiconductor, NCP1236BD100R2G Datasheet - Page 23

• Manufacturer Part Number: NCP1236BD100R2G
• Description: IC CTLR CURR MODE 100KHZ 7-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1236BD100R2G

• Input Voltage: 28V
• No. Of Outputs: 1
• Voltage Regulator Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (20-Jun-2011)
• Base Number: 1236
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Feedback with Slope Compensation
is 5, meaning that the FB voltage corresponding to V
duty cycle above 50 %, a fixed slope compensation is
internally applied to the current−mode control. The slope
The ratio from the FB voltage to the current sense setpoint
In order to allow the NCP1236 to operate in CCM with a
detector
V
HV(stop)
Peak
I
V
OPC
HV
CS
FB
t
wd
Sample
20 kW
Figure 42. Overpower Compensation
blanking
t
LEB
V
FB(ref)
Figure 43. FB Circuitry
K FB
http://onsemi.com
ILIM
t
wd
Sample
is
+
−
23
3.5 V. There is a pull−up resistor of 20 kW from FB pin to an
internal reference.
appearing on the internal voltage setpoint for the PWM
comparator is −32.5 mV/ms typical for the 65 kHz version,
and −50 mV/ms for the 100 kHz version.
comp.
slope
PWM
t
wd
Sample
Oscillator
Reset
t
HV
Reset
time
time
time