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Table 4. ELECTRICAL CHARACTERISTICS
(For typical values T
= 25°C, for min/max values T
J
Symbol
COMPENSATION SECTION
I
Positive Active Clamp (Guaranteed by design)
LMOP(pos)
FREQUENCY FOLDBACK & SKIP
I
Start of frequency foldback COMP pin current level
COMPfold
I
End of frequency foldback COMP pin current level, f
COMPfold(end)
f
The frequency below which skip−cycle occurs
min
I
The COMP pin current level to enter skip mode
COMPskip
I
Internal minimum current setpoint (I
Freeze1
I
Internal minimum current setpoint (I
Freeze2
RAMP COMPENSATION
S
The internal ramp compensation @ 60 kHz:
a(60)
NCP1060
NCP1063
S
The internal ramp compensation @ 100 kHz:
a(100)
NCP1060
NCP1063
PROTECTIONS
t
Fault validation further to error flag assertion
SCP
t
OFF phase in fault mode
recovery
V
V
voltage at which the switcher stops pulsing
OVP
CC
t
The filter of V
OVP
CC
V
The drain pin voltage above which allows MOSFET operate, which is
HV(EN)
detected after TSD, UVLO, SCP, or V
TEMPERATURE MANAGEMENT
TSD
Temperature shutdown (Guaranteed by design)
TSD
Hysteresis in shutdown (Guaranteed by design)
hyst
3. The final switch current is: I
L
the primary inductor in a flyback, and t
P
4. Oscillator frequency is measured with disabled jittering.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
NCP1060, NCV1060, NCP1063, NCV1063
= −40°C to +125°C, V
J
Rating
= I
COMP
COMPFreeze
= I
COMP
COMPFreeze
OVP comparator
OVP mode. (A version only)
CC
/ (V
/L
+ S
) x V
/L
+ V
IPK(0)
in
P
a
in
P
the propagation delay.
prop
www.onsemi.com
= 14 V unless otherwise noted)
CC
Pin
3 (6)
5 (8)
= f
5 (8)
sw
min
−
5 (8)
) in NCP1060
) in NCP1063
−
−
−
−
−
−
2 (5)
−
7,8
(6−10)
(13−16)
−
−
/L
x t
, with S
the built−in slope compensation, Vin the input voltage,
in
P
prop
a
9
Min
Typ
Max
Unit
2.5
−
−68
−
−
−100
−
21
25
29
kHz
−
−120
−
−
110
−
−
270
−
mA/ms
−
8.4
−
−
15.6
−
mA/ms
−
14
−
−
26
−
35
48
−
−
400
−
17.0
18.0
18.8
−
80
−
67
87
110
150
163
−
−
20
−
mA
mA
mA
mA
mA
mA
ms
ms
V
ms
V
°C
°C
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