NCP1234 ONSEMI [ON Semiconductor], NCP1234 Datasheet - Page 4

• Manufacturer Part Number: NCP1234
• Description: Fixed Frequency Current Mode Controller for Flyback Converters
• Manufacturer: ONSEMI [ON Semiconductor]

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. This device series contains ESD protection and exceeds the following tests:
2. This device contains latch−up protection and exceeds 100 mA per JEDEC Standard JESD78
3. As mounted on a 80 x 100 x 1.5 mm FR4 substrate with a single layer of 50 mm
4. As mounted on a 80 x 100 x 1.5 mm FR4 substrate with a single layer of 100 mm
5. As mounted on a 80 x 100 x 1.5 mm FR4 substrate with a single layer of 650 mm
MAXIMUM RATINGS
Supply Pin (pin 6) (Note 2)
High Voltage Pin (pin 8) (Note 2)
Driver Pin (pin 5) (Note 2)
All other pins (Note 2)
Thermal Resistance SOIC−7
Temperature Range
ESD Capability (Note 1)
Voltage range
Voltage range
Current range
Voltage range
Current range
Voltage range
Current range
Current range
Junction−to−Air, low conductivity PCB (Note 3)
Junction−to−Air, medium conductivity PCB (Note 4)
Junction−to−Air, high conductivity PCB (Note 5)
Operating Junction Temperature
Storage Temperature Range
Human Body Model (All pins except HV)
Machine Model
Human Body Model 2000 V per JEDEC standard JESD22, Method A114E
Machine Model Method 200 V per JEDEC standard JESD22, Method A115A
for a JEDEC 51−1 conductivity test PCB. Test conditions were under natural convection or zero air flow.
for a JEDEC 51−2 conductivity test PCB. Test conditions were under natural convection or zero air flow.
for a JEDEC 51−3 conductivity test PCB. Test conditions were under natural convection or zero air flow.
Rating
http://onsemi.com
4
2
2
2
of 2 oz copper traces and heat spreading area. As specified
of 2 oz copper traces and heat spreading area. As specified
of 2 oz copper traces and heat spreading area. As specified
T
V
I
V
Symbol
V
STRGMAX
I
I
DRVMAX
DRVMAX
T
CCMAX
HVMAX
V
R
CCMAX
HVMAX
I
JMAX
MAX
MAX
J−A
−40 to +150
−60 to +150
–0.3 to 500
–0.3 to 28
–0.3 to 20
–0.3 to 10
1000
Value
2000
30
20
10
162
147
115
200
C/W
Unit
mA
mA
mA
mA
C
V
V
V
V
V