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IC DESCRIPTION
ELECTRICAL CHARACTERISTICS IN CONTROL PART
ELECTRICAL CHARACTERISTICS IN CONTROL PART
(Ta=25¡ , Vcc=20V, UNLESS OTHERWISE SPECIFIED)
PARAMETER
PARAMETER
POWER SUPPLY START-UP OPERATION
POWER SUPPLY START-UP OPERATION
OPERATION START VOLTAGE
OPERATION STOP VOLTAGE
CIRCUIT CURRENT IN OPERATION
CIRCUIT CURRENT IN NON-OPERATION
OSCILLATION FREQUENCY
SOFT START OPERATION STOP VOLTAGE 5-3
SOFT START OPERATION CHARGING
CURRENT
NORMAL OPERATION
NORMAL OPERATION
BOTTOM-SKIP OPERATION THRESHOLD
VOLTAGE1
BOTTOM-SKIP OPERATION THRESHOLD
VOLTAGE2
OVERCURRENT DETECTION THRESHOLD
VOLTAGE
OCP/BD TERMINAL OUTFLOW CURRENT
QUASI-RESONANT OPERATION
THRESHOLD VOLTAGE1
QUASI-RESONANT OPERATION
THRESHOLD VOLTAGE2
FB TERMINAL THRESHOLD VOLTAGE
FB TERMINAL INFLOW CURRENT(NORMAL
OPERATION)
STAND-BY OPERATION
STAND-BY OPERATION
STAND-BY OPERATION START VOLTAGE 4-3
STAND-BY OPERATION START VOLTAGE
INTERVA L
STAND-BY NON-OPERATION CIRCUIT
CURRENT
FB TERMINAL INFLOW CURRENT(STAND-
BY)
STAND-BY OPERATION FB TERMINAL
THRESHOLD VOLTAGE
MINIMUM ON TIME
PROTECTION OPERATION
PROTECTION OPERATION
MAXIMUM ON TIME
OLP OPERATION THRESHOLD VOLTAGE
OLP OPERATION CHARGING CURRENT
OLP OPERATION VOLTAGE
LATCH CIRCUIT HOLDING CURRENT
LATCH CIRCUIT RELEASE VOLTAGE
TERMINAL
TERMINAL
SYMBOL
SYMBOL
4-3
Vcc(on)
4-3
Vcc(off)
4-3
Icc(on)
4-3
Icc(off)
1-3
fosc
Vssolp(ss)
5-3
Issolp(ss)
Vocpbd(bs1
7-3
)
Vocpbd(bs2
7-3
)
7-3
Vocpbd(lim)
7-3
Iocpbd
7-3
Vocpbd(th1) 0.28
7-3
Vocpbd(th2) 0.67
6-3
Vfb(off)
6-3
Ifb(on)
Vcc(s)
4-3
Vcc(sk)
4-3
Icc(s)
1-3
Ifb(s)
6-3
Vfb(s)
1-3
Ton(min)
1-3
Ton(max)
5-3
Vssolp(olp)
5-3
Issolp(olp)
4-3
Vcc(ovp)
4-3
Icc(h)
4-3
Vcc(la.off)
-32-
RATINGS
RATINGS
MIN
MIN
TYP
TYP
MAX
MAX
16.3
18.2
19.9
V
8.8
9.7
10.6
V
6
mA
100
uH
19
22
25
kHz
1.1
1.2
1.4
v
-710
-550
-390
uA
-
-0.72
-0.61 V
0.660
-
-
-
V
0.485
0.435
0.385
-
-
-
V
0.995
0.940
0.895
-250
-100
-40
uA
0.40
0.52
V
0.80
0.93
V
1.32
1.45
1.58
V
600
1000
1400
uA
10.3
11.2
12.1
V
1.1
1.35
1.65
V
20
56
uA
4
14
uA
0.55
1.10
1.50
V
0.75
1.20
uSec
27.5
32.5
39.0
uSec
4.0
4.8
5.8
V
-16
-11
-6
uA
25.5
27.7
29.9
V
45
140
uA
6.0
7.2
8.5
V
UNITES
UNITES
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