ncp1230a ON Semiconductor, ncp1230a Datasheet - Page 6

• Manufacturer Part Number: ncp1230a
• Description: Low?standby Power Soft Skip Mode Controller
• Manufacturer: ON Semiconductor

4. Verified by Design.
ELECTRICAL CHARACTERISTICS
V
Internal Oscillator
Internal Ramp Compensation
Feedback Section
Protection
Oscillation Frequency, 65 kHz Version (V
Oscillation Frequency, 100 kHz Version
Oscillation Frequency, 133 kHz Version
Internal Modulation Swing, in Percentage of F
Internal Swing Period (Note 4)
Maximum Duty−Cycle (CS = 0, V
Internal Resistor (Note 4)
Ramp Compensation Sawtooth Amplitude
Opto Current Source (V
Pin 3 to Current Setpoint Division Ratio (Note 4)
Timeout before Validating Short−Circuit or PFC V
Latch−Off Level
CC
= 13 V, V
PIN8
= 30 V unless otherwise noted.)
fb
= 0.75 V)
Characteristic
fb
= 2.5 V)
(For typical values T
fb
= 2.5 V)
sw
(V
CC
fb
Tj = −40°C to +125°C
Tj = −40°C to +125°C
Tj = −40°C to +125°C
(Note 4)
= 2.5 V) (Note 4)
Tj = 0°C to +125°C
Tj = 0°C to +125°C
Tj = 0°C to +125°C
http://onsemi.com
J
= 25°C, for min/max values T
Tj = 25°C
Tj = 25°C
Tj = 25°C
6
Symbol
T
V
D
f
f
f
I
R
OSC
OSC
OSC
delay
ratio
latch
max
−
−
−
−
up
J
Pin
= −40°C to +125°C, Max T
−
−
−
−
−
−
3
3
2
−
−
3
Min
123
120
200
113
9.0
2.7
60
58
55
93
90
85
75
−
−
−
−
−
"6.4
Typ
100
133
235
125
5.0
2.3
2.8
3.0
65
80
18
−
−
−
−
−
−
J
Max
= 150°C,
107
110
110
143
146
146
270
3.3
70
72
72
85
36
−
−
−
−
−
Unit
Vpp
kHz
kHz
kHz
ms
ms
kW
mA
%
%
V
−