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○Electric Characteristics(Ta=25℃,VCC=7V)
Limits
TYP.
Parameter
Symbol
Unit
Conditions
MIN.
MAX.
((WHOLE DEVICE))
Operating current
Icc1
Icc2
-
-
-
-
17.0
10
mA
CT_SYNC_IN=Low
CT_SYNC_IN=OPEN
Stand-by current
μA
((OVER VOLTAGE DETECT))
FB over voltage detect voltage
((STAND BY CONTROL))
Stand-by voltage L
Vovf
2.20
2.40
2.60
V
VstL
VstH1
VstH2
-0.3
1.8
-
-
0.8
2.25
VCC
V
V
V
Input voltage range of Slave setting
Input voltage range of Master setting
((TIMER LATCH))
2.55
-
Timer Latch voltage
Timer Latch current
((BURST MODE))
Vcp
Icp
1.9
0.5
2.0
1.0
2.1
1.5
V
μA
BOSC Max voltage
VburH
VburL
IBCT
1.94
0.4
2.0
0.5
2.06
0.6
V
V
fBCT=0.3kHz
fBCT=0.3kHz
BOSC Min Voltage
BOSC constant current
BOSC frequency
1.35/BRT
292.5
1.5/BRT
300
1.65/BRT
307.5
A
fBCT
Hz
BRT=36kΩ BCT=0.048μF
fout=60kHz
((OSC BLOCK))
MAX DUTY
MAXDUTY
Iss
44
1.0
0.45
2.0
-
46.5
2.0
49
3.0
0.55
2.4
400
%
μA
V
Soft start current
IS COMP detect Voltage
SS COMP detect voltage
SRT ON resistance
Visc
0.50
2.2
Vssc
V
RSRT
200
Ω
((UVLO BLOCK))
Detect voltage (VCC_UVLO)
Vcc_vuvlo
5.100
5.300
5.500
V
Hysteresis width (VCC_UVLO)
Operating voltage (UVLO)
Hysteresis width (UVLO)
((REG BLOCK))
⊿Vcc_vuvlo
Vuvlo
0.150
2.260
0.075
0.200
2.340
0.100
0.250
2.420
0.125
V
V
V
⊿Vuvlo
REG output voltage
VREG
IREG
3.038
5.0
3.100
-
3.162
-
V
REG source current
mA
((FEED BACK BLOCK))
IS threshold voltage ①
IS threshold voltage ②
VS threshold voltage
IS source current 1
IS source current 2
VS source current
VREF pin:OPEN,REG is shorted
VREF pin is supplied
Vis①
Vis②
Vvs
1.225
-
1.250
VREFIN
1.250
-
1.275
VIS①
1.280
1.5
V
V
1.220
-
V
Iis1
Iis2
Ivs
μA
μA
μA
DUTY=2.2V
13.0
-
20.0
-
27.0
1.0
DUTY=0V、IS=0.5V
Over 1.25V is not
effective
VREF input voltage range
VREF IN
0.6
-
1.6
V
((OUTPUT BLOCK))
NBch output voltage H
NAch output voltageH
NBch output voltage L
NAch output voltage L
NBch output sink resistance
NBch output source resistance
NAch output sink resistance
NAch output source resistance
Drive output frequency
((COMP BLOCK))
VoutNBH
VoutNAH
VoutNBL
VoutNAL
RsinkNB
RsourceNB
RsinkNA
RsourceNA
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
Isource = 10mA
Isink = 10mA
Isource = 10mA
RT=15.94kΩ
-
8
16
-
5
10
-
8
16
57.9
60.0
62.1
Overr voltage detect
VCOMPH
2.4
2.5
2.6
V
V
Hysteresis width (COMP)
⊿VCOMPH
0.040
0.060
0.080
((PROTECT CLOCK))
FAIL-pin On resistor value
R_FAIL
-
200
400
Ω
(( SYNCRO BLOCK))
CT_SYNC_IN_High input Voltage Range
CT_SYNC_IN_Low input Voltage Range
CT_SYNC_IN Pull-up resistor
VCT_SYNC_IN_H
VCT_SYNC_IN_L
2.0
-0.3
500
-
-
VCC*0.8
1.5
V
V
RCT_SYNC_IN_pull_up
VCT_SYNC_IN
-
-
kΩ
V
CT_SYNC_IN Self-oscillation voltage
CT_SYNC_OUT sink resistor value
CT_SYNC_OUT source resistor value
VCC*0.9
-
-
VCC
RCT_SYNC_OUT_sink
RCT_SYNC_OUT_source
150
370
3.1
-
300
Ω
Ω
V
-
740
CT_SYNC_OUT_High output Voltage Range VCT_SYNC_OUT _H
2.8
3.4
CT_SYNC_OUT_Low output Voltage Range
SRT SYNC Exchange detect Voltage
VCT_SYNC_OUT_L
Vsrtc
-
0.5
V
0.5
0.8
1.1
V
(This product is not designed for normal operation with in a radio active environment.)
REV. C