XC9119D10A
Series
■ELECTRICAL
CHARACTERISTICS
XC9119D10AMR
PARAMETER
FB Voltage
Line Regulation
Supply Voltage
Operation Start-up
Voltage
Supply Current 1
Supply Current 2
Stand-by Current
Oscillation Frequency
Maximum Duty Ratio
Efficiency (*1)
Current Limit
Lx Operating Voltage
Range
Lx Switch On Resistance
Lx Leak Current
CE “High” Voltage
CE “Low” Voltage
Soft-Start
Threshold Voltage
CE “High” Current
CE “Low” Current
FB “High” Current
FB “Low” Current
SYMBOL
V
FB
△V
FB
△V
IN
・V
FB
V
DD
V
ST1
I
DD1
I
DD2
I
STB
FOSC
MAXDTY
EFFI
I
LIM
V
Lx
R
SWON
I
LxL
V
CEH
V
CEL
V
SST
I
CEH
I
CEL
I
FBH
I
FBL
CONDITIONS
-
2.5<V
DD
<6.0V
-
I
OUT
=0mA
MIN.
0.980
-
2.5
-
-
-
-
0.8
86
-
310
-
-
-
0.65
-
1.3
-0.1
-0.1
-0.1
-0.1
TYP.
1.000
0.05
-
-
450
55
-
1.0
92
86
400
-
2.0
-
-
-
1.6
-
-
-
-
MAX.
1.020
0.20
6.0
2.5
700
110
1.0
1.2
98
-
750
20.0
4.0
1
-
0.20
1.9
0.1
0.1
0.1
0.1
Ta = 25
O
C
CIRCUI
UNIT
T
V
%/V
V
V
µA
µA
µA
MHz
%
%
mA
V
Ω
µA
V
V
V
µA
µA
µA
µA
①
①
①
②
②
②
③
②
②
①
④
①
α
③
②
②
②
③
③
③
③
FB=2.0V
V
CE
=0V
Same as I
DD1
Same as I
DD1
V
IN
=V
DD
=3.6V, V
OUT
=15V,
I
OUT
=10mA
V
DD
=3.6V
V
OUT
=18V
V
DD
=3.6V, V
Lx
=0.4V, Rpull=10Ω
Same as I
STB
Applied voltage to CE when Lx pin
voltage holding “H””L” level
Applied voltage to CE when Lx pin
voltage holding “H” level
FB=0.95V, Applied voltage to CE
when Lx voltage holding “H””L” level
Same as I
DD2
Same as I
STB
Same as I
DD2
Same as I
STB
Test Condition: Unless otherwise stated, V
IN
=3.0V, V
CE
=3.0V, V
FB
=0V, Vpull=5.0V, Rpull=100Ω.
NOTE:
*1: EFFI={(output voltage x output current) / (input voltage) x (input current)} x 100
■TYPICAL
APPLICATION CIRCUIT
V IN
2.5V~6.0V
Vcont
(above 2.5V)
RSS
CIN
CE/SS
C SS
V SS
FB
RFB2
V DD
Lx
RFB1
C FB
CL
L
SD
VOUT
(up to 19.5V)
6
TOREX [ TOREX SEMICONDUCTOR ]
