NCP1236BD65R2G ON Semiconductor, NCP1236BD65R2G Datasheet - Page 3

• Manufacturer Part Number: NCP1236BD65R2G
• Description: IC CTLR CURR MODE 65KHZ 7-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1236BD65R2G

• Frequency - Max: 70kHz
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Duty Cycle: 85%
• Voltage - Supply: 9.5 V ~ 28 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width) 7 leads
• Duty Cycle (max): 85 %
• Output Current: 500 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 65 KHz
• Operating Supply Voltage: - 0.3 V to + 28 V
• Supply Current: +/- 30 mA
• Maximum Operating Temperature: + 125 C
• Fall Time: 40 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 40 ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Latch
CS
FB
I
HV sample
NTC
V
FB(ref)
V
S
R
DD
Q
1 kW
20 kW
V
clamp
I
OPC
PWM
V
(V
FB(OPC)
HV
Fault Flag
V to I
= 0.5m x
−
− 125)
+
I
NTC
blanking
blanking
t
t
LEB
BCS
I
D
LIMIT
+
MAX
+
V
OTP
/ 5
+
−
+
SIMPLIFIED INTERNAL BLOCK SCHEMATIC
t
fault
Figure 2. Simplified Internal Block Schematic
+
V
+
timer
−
OVP
Soft−start ramp Start
+
End
−
V
Brown−out
CS(stop)
Soft−start end
+
−
+
Soft−start
end
−
Soft−start
Reset
t
Fault
SSTART
t
Latch(OVP)
blanking
comp.
t
slope
UVLO
blanking
Latch(OTP)
Reset
http://onsemi.com
+
PWM
+
Brown−out
V
skip
V
Reset
+
ILIM
−
+
IC Start
IC Stop
−
3
S
R
Q
Protection
Mode
release
I
LIMIT
V
Latch
CC
OVP
VCC OVP
IC Start
Reset
UVLO
IC stop
timer
VDD
Brown−out
HV sample
t
autorec
TSD
For
Autorecovery
protection
mode only
DMAX
Reset
UVLO
V
Start
OVP
TSD
DD
Sawtooth
Stop
Oscillator
HV current
management
TSD
BO
HV dc
Foldback
DCMAX
Brown−out
V
Jitter
CC
−
S
R
+
Dual HV
start−up
current source
Q
Latch
TSD
Clamp
V
GND
DRV
HV
CC