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XC9201 Datasheet(PDF) 6 Page - Torex Semiconductor

Part No. XC9201
Description  PWM Controlled Step-Down DC/DC Converters
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Maker  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
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XC9201 Datasheet(HTML) 6 Page - Torex Semiconductor

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XC9201Series
540
5
XC9201C33AR
VIN = 5.0V unless specified
*1 : On resistance = 0.4V / measurement current
NOTE1 : EFFI = {[(Output Voltage) x (Output Current)]
÷ [(Input Voltage) x (Input Current)]} x 100
NOTE2 : The capacity range of the condenser used to set the external CLK frequency is 180
∼ 300pF
Ta=25℃
PARAMETER
SYMBOL
CONDITIONS
UNITS
Maximum Operating
Voltage
Minimum Operating
Voltage
Supply Current 1
Stand-by Current
Frequency Temperature
Fluctuation
Maximum Duty Cycle
Minimum Duty Cycle
VINmax
Output Voltage
VOUT
VINmin
IDD1
ISTB
CLK Oscillation
Frequency
FOSC
Frequency
Input Stability
ΔFOSC
ΔVIN・FOSC
ΔFOSC
ΔTOPR・FOSC
MAXDTY
MINDTY
Current Limiter
Voltage
ISEN Current
ILIM
IISEN
CE "High" Current
CE "Low" Current
ICEH
ICEL
CE "High" Voltage
VCEH
EXT voltage = High
VIN=5.0V, CE=VIN=VOUT
VIN=20.0V, CE=VIN, VOUT=VSS
VIN=5.0V, CE=VOUT=VSS
RT=10.0kΩ, CT=220pF
VIN=2.5V∼20V
Topr=−40∼+85℃
VIN=5.0V
IOUT=300mA
VOUT=VSS
VOUT=VIN
VIN pin voltage - ISEN pin voltage
VIN=5.0V, ISEN=5.0V
CE=VIN=20.0V, VOUT=0V
CE=0V, VIN=20.0V, VOUT=0V
Existance of CLK Oscillation,
VOUT = 0V, CE : Voltage applied
Dissapearance of CLK Oscillation,
VOUT = 0V, CE : Voltage applied
EXT=VIN - 0.4V, CE=VOUT=VIN *1
EXT=0.4V, CE=VIN, VOUT=VSS *1
Connect CSS and RSS, CE : 0V → 5.0V
3.218
20
1.0
280
100
90
4.5
−0.1
−0.1
0.6
3.300
1.400
115
130
0.5
330
±5
±5
150
7
0
0
3.382
2.200
2.0
220
235
2.0
380
0
220
13
0.1
0.1
V
V
V
V
μA
μA
μA
kHz
%
%
%
%
mV
μA
μA
μA
V
CE "Low" Voltage
VCEL
0.2
V
EXT "High"
ON Resistance
EXT "Low"
ON Resistance
CC/GAIN Pin
Output Impedance
REXTH
24
33
Ω
REXTL
22
31
Ω
Efficiency (NOTE1)
EFFI
93
%
Soft-start Time
TSS
5
10
20
ms
RCCGAIN
400
CIRCUITS
q
q
q
t
w
w
w
e
e
e
r
r
y
y
t
t
t
t
r
r
q
q
u
Supply Current 2
IDD2
U.V.L.O. Voltage
VUVLO
MIN.
TYP.
MAX.
05S_1XC9201/9202新規 02.09.12 15:16 ページ 540


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