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○Electric Characteristics(Ta=25℃,VCC=7V)
Limits
TYP.
Parameter
((WHOLE DEVICE))
Symbol
Unit
Conditions
MIN.
MAX.
Operating current
Icc1
Icc2
-
-
11.0
2
17.0
10
mA
CT=0.5V
Stand-by current
μA
((OVER VOLTAGE DETECT))
FB overvoltage detect voltage
((STAND BY CONTROL))
Vovf
VstH
2.20
2.40
-
2.60
VCC
V
Stand-by voltage H
1.6
V
System ON
Stand-by voltage L
Stand-by hysteresis
((TIMER LATCH))
Timer Latch voltage
Timer Latch current
((BURST MODE))
BOSC Max voltage
BOSC Min Voltage
BOSC constant current
BOSC frequency
VstL
-0.3
0.08
-
0.8
V
V
System OFF
⊿Vst
0.18
0.28
Vcp
Icp
1.9
0.5
2.0
1.0
2.1
1.5
V
μA
VburH
VburL
IBCT
1.94
0.4
2.0
0.5
2.06
0.6
V
V
fBCT=0.2kHz
fBCT=0.2kHz
1.35/BRT
266
1.5/BRT
280
1.65/BRT
294
A
FBOSC
Hz
BRT=33kΩ、BCT=0.050μF
((OSC BLOCK))
OSC constant current
ICT
1.35/RT
1.8
1.5/RT
2.0
1.65/RT
2.2
A
V
V
%
VoscH
VoscL
MAXDUTY
fCT=60kHz
fCT=60kHz
fCT=60kHz
OSC Max voltage
OSC Min voltage
MAX DUTY
0.3
0.5
0.7
44
46.5
49
Iss
Visc
Vss
1.0
0.45
2.0
-
2.0
0.50
2.2
3.0
0.55
2.4
μA
V
Soft start current
IS COMP detect Voltage
SS COMP detect voltage
SRT ON resistance
V
RSRT
200
400
Ω
((UVLO BLOCK))
Operating voltage
VuvloH
VuvloL
Vuvlo1
Vuvlo2
⊿Vuvlo
4.100
3.900
2.160
2.242
0.068
4.300
4.100
2.220
2.315
0.095
4.500
4.300
2.280
2.388
0.122
V
V
V
V
V
Shut down voltage
Operating voltage (External UVLO)
Lock out voltage (External UVLO)
Hysteresis width
((REG BLOCK))
REG output voltage
VREG
IREG
VREF
3.038
5.0
3.100
-
3.162
-
V
mA
V
REG source current
VREF input voltage range
((FEED BACK BLOCK))
0.60
-
1.50
Vis
-
VREF
-
V
VREF voltage
IS threshold voltage
Vvs
Iis1
Iis2
Ivs
1.220
-
1.250
-
1.280
1.5
V
VS threshold voltage
IS source current 1
μA
μA
μA
DUTY=2.0V
IS source current 2
13.0
-
20.0
-
27.0
1.0
DUTY=0V、IS=0.5V
VS source current
((OUTPUT BLOCK))
NAch output voltage H
NBch output voltage H
NAch output voltage L
NBch output voltage L
NAch output sink resistance
NAch output source resistance
NBch output sink resistance
NBch output source resistance
Drive output frequency
((COMP BLOCK))
VoutNAH
VoutNBH
VoutNAL
VoutNBL
RsinkNA
RsourceNA
RsinkNB
RsourceNB
fOUT
VCC-0.3
VCC-0.3
-
VCC-0.1
-
V
V
VCC-0.1
-
0.1
0.1
5
0.3
0.3
10
V
-
V
-
Ω
Ω
Ω
Ω
KHz
Isink = 10mA
-
8
16
Isource = 10mA
Isink = 10mA
-
5
10
-
8
16
Isource = 10mA
RT=18kΩ、CT=400pF
58.5
60.0
61.5
Over voltage detect
VCOMPH
VCOMPL
3.0
3.1
3.2
V
V
Under voltage detect
0.620
0.640
0.660
((PROTECT CLOCK))
Normal output voltage
Protect output voltage
VPH
VPL
2.9
-
3.1
-
3.3
0.5
V
V
(This product is not designed to be radiation-resistant.)
REV. A