ON Semiconductor NCP1060, Manual

Page: 9 / 31

NCP1060, NCV1060, NCP1063, NCV1063
www.onsemi.com
9
Table 4. ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25
°
C, for min/max values T
J
= −40
°
C to +125
°
C, V
CC
= 14 V unless otherwise noted)
Symbol Unit Max Typ Min Pin Rating
COMPENSATION SECTION
I
LMOP(pos)
Positive Active Clamp (Guaranteed by design) 3 (6) 2.5 mA
FREQUENCY FOLDBACK & SKIP
I
COMPfold
Start of frequency foldback COMP pin current level 5 (8) − −68 −
m
A
I
COMPfold(end)
End of frequency foldback COMP pin current level, f
sw
= f
min
5 (8) − −100 −
m
A
f
min
The frequency below which skip−cycle occurs − 21 25 29 kHz
I
COMPskip
The COMP pin current level to enter skip mode 5 (8) − −120 −
m
A
I
Freeze1
Internal minimum current setpoint (I
COMP
= I
COMPFreeze
) in NCP1060 − 110 − mA
I
Freeze2
Internal minimum current setpoint (I
COMP
= I
COMPFreeze
) in NCP1063 − 270 − mA
RAMP COMPENSATION
S
a(60)
The internal ramp compensation @ 60 kHz:
NCP1060
NCP1063 −
− −
− 8.4
15.6
−
−
mA/
m
s
S
a(100)
The internal ramp compensation @ 100 kHz:
NCP1060
NCP1063 −
− −
− 14
26 −
−
mA/
m
s
PROTECTIONS
t
SCP
Fault validation further to error flag assertion − 35 48 − ms
t
recovery
OFF phase in fault mode − − 400 − ms
V
OVP
V
CC
voltage at which the switcher stops pulsing 2 (5) 17.0 18.0 18.8 V
t
OVP
The filter of V
CC
OVP comparator − − 80 −
m
s
V
HV(EN)
The drain pin voltage above which allows MOSFET operate, which is
detected after TSD, UVLO, SCP, or V
CC
OVP mode. (A version only)
7,8
(6−10)
(13−16)
67 87 110 V
TEMPERATURE MANAGEMENT
TSD Temperature shutdown (Guaranteed by design) − 150 163 −
°
C
TSD
hyst
Hysteresis in shutdown (Guaranteed by design) − − 20 −
°
C
3. The final switch current is: I
IPK(0)
/ (V
in
/L
P
+ S
a
) x V
in
/L
P
+ V
in
/L
P
x t
prop
, with S
a
the built−in slope compensation, Vin the input voltage,
L
P
the primary inductor in a flyback, and t
prop
the propagation delay.
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.