XC9106_1 TOREX [Torex Semiconductor], XC9106_1 Datasheet - Page 5

• Manufacturer Part Number: XC9106_1
• Description: PWM Control,PWM/PFM Switching Control, Step-Up DC/DC Converters, Externally Applied Vref
• Manufacturer: TOREX [Torex Semiconductor]

■TYPICAL APPLICATION CIRCUIT
■ELECTRICAL CHARACTERISTICS (Continued)
When obtaining V
V
Please wire C
sufficiently. When using a capacitor other than ceramic or low ESR at CL, please take away
R
XC9106D003MR, XC9107D003MR
DD
SENSE
NOTE :
Operation Start Voltage
Operation Hold Voltage
Supply Voltage Range
Oscillation Frequency
Test Conditions: Unless otherwise stated, CL: Ceramic, recommended MOSFET should be connected.
Maximum Duty Ratio
FB Control Voltage
pin and the GND pin in order to provide stable operations.
CE “High” Voltage
CE “High” Current
FB “High” Current
CE “Low” Voltage
CE “Low” Current
FB “Low” Current
Start Voltage (*1)
Supply Current 1
Supply Current 2
Stand-by Current
PFM Duty Ratio
*1: Although the IC starts step-up operations from a V
ON Resistance
ON Resistance
Output Voltage
Voltage Range
Soft-start Time
PARAMETER
and short.
EXT “High”
Reference
Oscillation
EXT “Low”
Efficiency
V
recommended when V
DD
(*1)
L
≧ 1.8V and (Vref applied voltage＋0.7V). Therefore, a V
& C
DD
from a source other than V
IN
between the V
V
V
DD
IN
=
=
SYMBOL
MAXDTY
PFMDTY
DD
FOSC
R
R
V
V
V
ISTB
EFFI
V
V
V
3.3V
3.3V
I
I
Vref
V
I
I
I
V
T
I
DD
EXTH
CEH
DD1
EXTL
CEL
FBH
FBL
OUT
CEH
HLD
CEL
is supplied from VIN or other power sources.
ST1
ST2
DD
SS
FB
2
OUT
/V
NchPower
MOSFET
DD
Recommended circuit using 2SD1628,
CE/Vref=0.9V, Voltage applied, FB=0V
Recommended circuit using 2SD1628,
V
OUT
DD
→
→
pin and the GND pin. Strengthen the wiring
Same as I
Recommended circuit using
as shown right and (Vref applied
, please insert a capacitor C
No Load (XC9106 series)
Same as I
Same as I
Same as V
No external connections
Same as I
Same as I
Same as I
Same as I
Same as I
Same as I
Vref=
I
OUT
voltage＋0.7V)
CONDITIONS
Same as I
Same as I
Same as I
Same as I
XP161A1355
I
I
Vref = 0.9V
Vref = 0.8V
Vref = 0.9V
Vref = 2.5V
DD1
DD
OUT
OUT
Vref=0.9V
=
DD1
of 0.8V, the output voltage and oscillation frequency are stabilized at
DD1
, V
DD2
DD2
=1.0mA
=1.0mA
ST2
DD1
DD2
DD2
DD2
0.09V,
50mA
, CE/Vref=0V
EXT
, V
, V
, CE=0.8V
, CE=2.5V
, FB=1.2V
, FB=1.0V
, FB=V
, CE=0V
DD1
DD1
DD1
DD1
EXT
=V
DD
(FOSC=300kHz)
=3.3V
OUT
=0.4V
DD
DD
-0.4V
DD
R
of more than 1.8V and (Vref applied voltage＋0.7V) is
FB1,2
between the
× 10
8.820
0.784
0.882
2.450
MIN.
0.65
255
-1.0
0.8
1.8
5.0
0.0
75
24
-
-
-
-
-
-
-
-
-
-
-
-
-
Insert Rb and CB when using a
bipolar NPN Transistor.
9.000
0.800
0.900
2.500
TYP.
10.0
300
62
16
81
32
85
24
16
-
-
-
-
-
-
-
-
-
-
-
-
-
9.180
0.816
0.918
2.500
MAX.
10.0
20.0
0.20
-0.1
-0.1
345
2.5
0.9
0.8
0.7
1.0
0.0
2.5
0.1
88
22
87
40
36
24
-
-
XC9106/XC9107
Cb
UNITS CIRCUIT
kHz
mS
μA
μA
μA
μA
μA
μA
μA
%
%
%
Ω
Ω
V
V
V
V
V
V
V
V
V
Ta=25
Rb
Series
①
④
③
④
③
④
④
⑤
④
④
①
①
①
⑤
⑤
④
④
⑤
⑤
⑤
⑤
-
-
5/11
O
C