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XC9103B095DR Datasheet(PDF) 5 Page - Torex Semiconductor

Part # XC9103B095DR
Description  Ceramic Capacitor Compatible, Step-up DC/DC Controllers
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9103B095DR Datasheet(HTML) 5 Page - Torex Semiconductor

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XC9103/XC9104/XC9105
Series
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
CIRCUIT
Output Voltage
VOUT
3.234
3.300
3.366
V
Output Voltage Range
VOUTSET
VIN=VOUTSETx0.6, VDD=3.3V
IOUT=10mA, Using 2SD1628
1.5
-
30.0
V
FB Control Voltage
VFB
0.882
0.900
0.918
V
Supply Voltage Range
(*1)
VDD
1.8
-
10.0
V
Operation Start Voltage
VST1
Recommended circuit using 2SD1628,
IOUT=1.0mA
-
-
0.9
V
Oscillation Start Voltage
(*1)
VST2
No external components, CE connected
to VDD, Voltage applied, FB=0V
-
-
0.8
V
Operation Hold Voltage
VHLD
Recommended circuit using 2SD1628,
IOUT=1.0mA
-
-
0.7
V
Supply Current 1
IDD1
Same as VST2, VDD=3.3V
-
62
88
μA
Supply Current 2
IDD2
Same as IDD1, FB=1.2V
-
16
22
μA
Stand-by Current
ISTB
Same as IDD1, CE=0V
-
-
1.0
μA
Oscillation Frequency
FOSC
Same as IDD1
255
300
345
kHz
Maximum Duty Cycle
MAXDTY
Same as IDD1
75
81
87
%
PFM Duty Rate
PFMDTY
No load
(XC9104B/D, 9105B/D)
24
32
40
%
Overcurrent
Sense Voltage (*3)
VLMT
Step input to FB (Pulse width: 2.0μS
or more), EXT=Low level voltage
(XC9103B, 9104B, 9105B)
220
300
380
mV
Efficiency
EFFI
Recommended circuit using XP161A1355
-
85
-
%
Soft-Start Time
TSS
5.0
10.0
20.0
ms
CE “High” Voltage (*2)
VCEH
Same as IDD1
0.65
-
-
V
CE “Low” Voltage (*2)
VCEL
Same as IDD1
-
-
0.20
V
PWM “High” Voltage (*2)
VPWMH
IOUT=1.0mA
(XC9105B/D)
VDD-0.2
-
-
V
PWM “Low” Voltage (*2)
VPWML
IOUT=1.0mA
(XC9105B/D)
-
-
VDD-1.0
V
EXT “High”
On Resistance
REXTH
Same as IDD1, VEXT=VOUT-0.4V
-
24
36
Ω
EXT “Low”
On Resistance
REXTL
Same as IDD1, VEXT=0.4V
-
16
24
Ω
CE “High Current
ICEH
Same as IDD2, CE=VDD
-
-
0.1
μA
CE “Low” Current
ICEL
Same as IDD2, CE=0V
-
-
- 0.1
μA
FB “High” Current
IFBH
Same as IDD2, CE=VDD
-
-
0.1
μA
FB “Low” Current
IFBL
Same as IDD2, CE=0V
-
-
- 0.1
μA
(FOSC=300 kHz)
Ta=25℃
XC9103B093MR, XC9104B093MR, XC9105B093MR
XC9103D093MR, XC9104D093MR, XC9105D093MR
■ELECTRICAL CHARACTERISTICS (Continued)
Test Conditions: Unless otherwise stated, CL: ceramic, recommended MOSFET should be connected.
NOTE:
*1 Although the IC starts step-up operations from a VDD of 0.8V, the output voltage and oscillation frequency are stabilized at VDD>1.8V.
Therefore, a VDD of more than 1.8V is recommended when VDD is supplied from VIN or other power sources.
*2 With the XC9105 series, the CE pin also serves as a PWM/PFM switching pin. In operation, PWM control is selected when the voltage
at the CE pin is more than VDD -0.2V. On the other hand, PWM/PFM automatic switching control at a duty = 25% is selected when
the voltage at the CE pin is less than VDD -1.0V and more than VCEH.
*3 The overcurrent limit circuit of this IC is designed to monitor the ripple voltage so please select your external components carefully to
prevent VLMT being reached under low temperature conditions as well as normal operating conditions. Following current limiter
circuit operations, which in turn causes the IC's operations to stop, the operations of the IC can be returned to normal with a toggle of
the CE pin or by turning the power supply back on.


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