ON Semiconductor NCP1060, Руководство пользователя

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NCP1060, NCV1060, NCP1063, NCV1063
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7
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 Rating Pin Min Typ Max Unit
SUPPLY SECTION AND V
CC
MANAGEMENT
V
CC(on)
V
CC
increasing level at which the switcher starts operation 2 (5) 8.4 9.0 9.5 V
V
CC(min)
V
CC
decreasing level at which the HV current source restarts 2 (5) 7.0 7.5 7.8 V
V
CC(off)
V
CC
decreasing level at which the switcher stops operation (UVLO) 2 (5) 6.7 7.0 7.2 V
I
CC1
Internal IC consumption, NCP1060 switching at 60 kHz, LIM/OPP = 0 A
Internal IC consumption, NCP1060 switching at 100 kHz, LIM/OPP = 0 A
Internal IC consumption, NCP1063 switching at 60 kHz, LIM/OPP = 0 A
Internal IC consumption, NCP1063 switching at 100 kHz, LIM/OPP = 0 A
2 (5) −
−
−
−
0.92
0.97
0.99
1.07
−
−
−
−
mA
I
CCskip
Internal IC consumption, COMP is 0 V (No switching on MOSFET) 2 (5) − 340 −
m
A
POWER SWITCH CIRCUIT
R
DS(on)
Power Switch Circuit on−state resistance
NCP1060 (Id = 50 mA)
Tj = 25
°
C
Tj = 125
°
C
NCP1063 (Id = 50 mA)
Tj = 25
°
C
Tj = 125
°
C
7, 8
(6−10)
(13−16)
−
−
−
−
34
65
11.4
22
41
72
14.0
24
W
BV
DSS
Power Switch Circuit & Startup breakdown voltage
(ID
(off)
= 120
m
A, Tj = 25
°
C)
7, 8
(6−10)
(13−16)
700 − − V
I
DSS(off)
Power Switch & Startup breakdown voltage off−state leakage current
Tj = 125
°
C (Vds = 700 V)
7, 8
(6−10)
(13−16)
− 84 −
m
A
t
r
t
f
Switching characteristics (R
L
= 50
W
, V
DS
set for I
drain
= 0.7 x Ilim)
Turn−on time (90% − 10%)
Turn−off time (10% − 90%)
7, 8
(6−10)
(13−16)
−
− 20
10 −
−
ns
t
on(min)
Minimum on time
NCP1060
NCP1063
7, 8
(6−10)
(13−16)
−
− 200
230 −
−
ns
INTERNAL START−UP CURRENT SOURCE
I
start1
High−voltage current source, V
CC
= V
CC(on)
– 200 mV 7, 8
(6−10)
(13−16)
5 8 12 mA
I
start2
High−voltage current source, V
CC
= 0 V 7, 8
(6−10)
(13−16)
− 0.5 − mA
V
CCTH
V
CC
Transient level for I
start1
to I
start2
toggling point 2 (5) − 1.4 − V
V
start(min)
Minimum startup voltage, V
CC
= 0 V 7, 8
(6−10)
(13−16)
21 V
CURRENT COMPARATOR
I
IPK
Maximum internal current setpoint at 50% duty cycle
FB = 2 V, LIM/OPP = 0
m
A, Tj = 25
°
C
NCP1060
NCP1063 −
− −
− 250
650 −
−
mA
I
IPK(0)
Maximum internal current setpoint at beginning of switching cycle
FB = 2 V, LIM/OPP pin open Tj = 25
°
C
NCP1060
NCP1063 −
− 268
702 300
780 332
858
mA
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.