ncp1216a ON Semiconductor, ncp1216a Datasheet - Page 5

• Manufacturer Part Number: ncp1216a
• Description: Pwm Current-mode Controller For High-power Universal Off-line Supplies
• Manufacturer: ON Semiconductor

4. A 1.0 MW resistor is connected to the ground for the measurement.
ELECTRICAL CHARACTERISTICS
T
INTERNAL OSCILLATOR (V
FEEDBACK SECTION (V
SKIP CYCLE GENERATION
INTERNAL RAMP COMPENSATION
Oscillation Frequency, 65 kHz Version
Oscillation Frequency, 100 kHz Version
Oscillation Frequency, 133 kHz Version
Built−in Frequency Jittering in Percentage of f
Maximum Duty−Cycle
Internal Pullup Resistor
Pin 2 (FB) to Internal Current Setpoint Division Ratio
Default Skip Mode Level
Pin 1 Internal Output Impedance
Internal Ramp Level @ 25°C (Note 4)
Internal Ramp Resistance to C
J
= 150°C, V
CC
= 11 V unless otherwise noted.)
CC
= 11 V, Pin 5 Loaded by 1.0 kW)
CC
S
Characteristic
= 11 V, Pin 5 Loaded by 1.0 kW)
Pin
(continued) (For typical values T
OSC
NCP1216, NCP1216A
http://onsemi.com
5
NCP1216A
NCP1216
J
= 25°C, for min/max values T
Pin
2
−
1
1
3
3
Symbol
R
V
D
V
f
f
f
f
I
Z
R
OSC
OSC
OSC
jitter
ratio
ramp
ramp
max
skip
out
up
58.5
Min
120
0.9
2.6
90
69
42
J
= 0°C to +125°C, Maximum
±4.0
46.5
Typ
100
133
3.3
1.1
2.9
65
75
20
25
19
Max
71.5
1.26
110
146
3.2
81
50
Unit
kHz
kHz
kHz
kW
kW
kW
%
%
V
V