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XC9111B171ML Datasheet(PDF) 10 Page - Torex Semiconductor

Part # XC9111B171ML
Description  PFM Controlled Step-Up DC/DC Converter / Controller ICs
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9111B171ML Datasheet(HTML) 10 Page - Torex Semiconductor

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XC9110/XC9111 Series
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
CIRCUIT
Output Voltage
VOUT
Connect to external components
×
0.975
VOUT
×
1.025
V
Output Voltage
Temperature Characteristics
VOUT
VOUT・△topr
Connect to external components
- 40℃≦Topr≦85℃
-
±
100
-
ppm/
Maximum Input Voltage
VIN
10
-
-
V
-
Operation Start Voltage
VST1
IOUT=1mA, connect to external
components
-
0.8
0.9
V
Oscillation Start Voltage
VST2
Applied 0.8V to VOUT, Vpull=1.0V
-
-
0.8
V
Operation Hold Voltage
VHLD
IOUT=1mA, connect to external
components
0.7
-
-
V
Input Current
IIN
IOUT=0mA (*1)
-
E1-1(*)
E1-2(*)
μ
A
Supply Current 1 (*2)
IDD1
Applied (output voltage×0.95) to VOUT
-
E2-1(*)
E2-2(*)
μ
A
Supply Current 2
IDD2
Applied (output voltage+0.5V) to VOUT
-
E3-1(*)
E3-2(*)
μ
A
Lx Switch ON Resistance
RSWON
Same as IDD1, VLx=0.4V (*3)
-
E4-1(*)
E4-2(*)
Ω
Lx Leak Current
ILxL
Same as IDD2, VLx=7V
-
-
1
μ
A
Duty Ratio
DTY
Same as IDD1, measure Lx waveform
E7-1(*)
E7-2(*)
E7-3(*)
%
Duty Ratio 2
DTY2
IOUT=1mA, measure Lx ON time (XC9111
only) Connect to external components
48
56
64
%
Maximum Oscillation
MAXFOSC
Same as IDD1
85
100
115
kHz
Maximum Oscillation
MAXFOSC2
Same as IDD1 (XC9111 only)
153
180
207
kHz
Lx Limit Voltage (*4)
VLxLMT
Same as IDD1, VLx when max. oscillation
frequency is more than double.
0.7
-
1.1
V
Efficiency (*5)
EFFI
Connect to external components
-
E8(*)
-
%
ELECTRICAL CHARACTERISTICS (Continued)
Ta = 25℃
XC9110Exx1MR, XC9111Exx1MR
Test condition : Unless otherwise specified, connect VDD to VOUT, VIN=VOUT×0.6, IOUT=<C1(*)>, Vpull=5.0V
NOTE:
*1: TOREX SD, XB01SB04A2BR is used; reverse current IR < 1μA (when reverse voltage VR = 10V is applied), in case of using
selected parts.
*2: "Supply Current 1" is the value when the IC is constantly switching. In actual operation, the oscillator periodically switches, resulting
in lower power consumption. Please refer to Input Current (IIN) under no load condition for the actual current, which is supplied
from the input power supply (VIN).
*3: Lx switch ON resistance can be calculated by (VLx x Rp) / (Vpull - VLx). * Change Vpull so that VLx will become 0.4V.
*4: The Lx limit voltage function becomes stable when VOUT of the XC9110/9111 series is over 2.0V.
*5: EFFI={[output voltage]×(output current)} / [(input voltage)×(input current)]×100
*6: When using VDD and VOUT separately, please set the voltage range of VDD from 1.5V to 10V.
The IC operates from VDD=0.8V, but output voltage and oscillation frequency will be stable when VDD=1.5V or more.
*7: Please be aware of the absolute maximum ratings of the external components.
(*): Please refer to the charts.


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