XC9301_1 Datasheet, PDF (4/13 Pages) Torex Semiconductor – PWM,PWM/PFM Switching Step-Up & Down DC/DC Converter Controller ICs

XC9301/XC9302 Series
■ELECTRICAL CHARACTERISTICS
XC9301x332MR, XC9302x332MR
PARAMETER
Output Voltage
Supply Voltage
Supply Current 1
Supply Current 2
SYMBOL
VOUT
VDD
IDD1
IDD2
Stand-By Current
ISTB
Oscillation Frequency FOSC
Maximum Duty Ratio
PFM Duty Ratio ^(*1)
Efficiency ^(*2)
Soft-Start Time
CE 'H' Voltage
CE 'L' Voltage
EXT/ 'H' ON Resistance
EXT/ 'L' ON Resistance
MAXDTY
PFMDTY
EFFI
TSS
VCEH
VCEL
REXTBH
REXTBL
(VOUT=3.3V, FOSC=180kHz)
CONDITIONS
VOUT=CE: Setting output voltage × 0.95 applied
VOUT=CE: Setting output voltage + 0.5 applied
VOUT: Setting output voltage × 0.95 applied,
CE=0V
VDD=VOUT=CE:
Setting output voltage × 0.95 applied
VDD=VOUT=CE:
Setting output voltage × 0.95 applied
No Load
VDD=VIN=CE:
Setting output voltage × 0.95 applied
VOUT: Setting output voltage × 0.95 applied
VOUT: Setting output voltage × 0.95 applied
Same as IDD1, VEXT/ = VOUT - 0.4V
Same as IDD1, VEXT/ = 0.4V
MIN.
3.218
2.0
-
-
-
153
78
15
-
5.0
0.65
-
-
-
TYP.
3.300
-
80
15
-
180
85
25
78
10.0
-
-
29
19
Test Conditions: Unless otherwise stated, VDD = 3.3V, IOUT = 130mA
NOTE: *1: XC9302 series only
*2: EFFI={[(output voltage) × (output current)] / [(input voltage) × (input current)]} × 100
Ta=25℃
MAX.
3.383
10.0
140
26
UNITS
V
V
μA
μA
0.5 μA
207 kHz
92
%
35
%
-
%
20.0 ms
-
V
0.20
V
43
Ω
27
Ω
XC9301x333MR, XC9302x333MR
PARAMETER
Output Voltage
Supply Voltage
Supply Current 1
Supply Current 2
SYMBOL
VOUT
VDD
IDD1
IDD2
Stand-By Current
ISTB
Oscillation Frequency FOSC
Max. Duty Ratio
PFM Duty Ratio ^(*1)
Efficiency ^(*2)
MAXDTY
PFMDTY
EFFI
Soft-Start Time
CE 'H' Voltage
CE 'L' Voltage
EXT/ 'H' ON Resistance
EXT/ 'L' ON Resistance
TSS
VCEH
VCEL
REXTBH
REXTBL
(VOUT=3.3V, FOSC=300kHz)
CONDITIONS
VOUT=CE: Setting output voltage × 0.95 applied
VOUT=CE: Setting output voltage + 0.5 applied
VOUT: Setting output voltage × 0.95 applied,
CE=0V
VDD=VOUT=CE:
Setting output voltage × 0.95 applied
VDD=VOUT=CE:
Setting output voltage × 0.95 applied
No Load
VDD=VIN=CE:
Setting output voltage × 0.95 applied
VOUT: Setting output voltage × 0.95 applied
VOUT: Setting output voltage × 0.95 applied
Same as IDD1, VEXT/ = VOUT - 0.4V
Same as IDD1, VEXT/ = 0.4V
MIN.
3.218
2.0
-
-
-
255
78
15
-
5.0
0.65
-
-
-
Test Conditions: Unless otherwise stated, VDD = 3.3V, IOUT = 130mA
NOTE: *1: XC9302 series only
*2: EFFI={[(output voltage) × (output current)] / [(input voltage) × (input current)]} × 100
TYP.
3.300
-
130
20
-
300
85
25
78
10.0
-
-
29
19
Ta=25℃
MAX.
3.383
10.0
200
35
UNITS
V
V
μA
μA
0.5 μA
345 kHz
92
%
35
%
-
%
20.0 ms
-
V
0.20
V
43
Ω
27
Ω
■TYPICAL APPLICATION CIRCUIT
External Components
PSW: XP162A12 (SOT-89, TOREX)
NSW: XP161A12 (SOT-89, TOREX)
L : 22μH (CR54, SUMIDA)
SD : U2FWJ44N ( Schottky, TOSHIBA )
CL : 16V, 47μF×2 (Tantalum, MCE series, NICHICON )
CIN : 16V, 22μF (Tantalum, MCE series, NICHICON )
220μF (Electrolytic, NICHICON, PJ type)
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