XC9220/XC9221 Series
■ELECTRICAL CHARACTERISTICS (Continued)
(1) Efficiency vs. Output Current
XC9220/21x095xx
XC9220/21x095xx
Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH, CIN=10uF(ceramic),
Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH
CIN=10uF(ceramic), CL=44uF(ceramic), RSENSE=50mohm
VOUT=3.3V
CL=44uF(ceramic), RSENSE=50mohm
VIN=12V => VOUT=5V
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
VIN=5.0V
VIN=12V
PWM(XC9220)
PFM(XC9221)
PWM(XC9220)
PFM(XC9221)
0.1
1
10
100
1000
10000
0.1
1
10
100
1000
10000
Output Current: IOUT (mA)
Output Current: IOUT (mA)
(2) Output Voltage vs. Output Current
XC9220/21x095xx
XC9220/21x095xx
Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH
Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH
CIN=10uF(ceramic), CL=44uF(ceramic), RSENSE=50mohm
VIN=12V => VOUT=5V
CIN=10uF(ceramic), CL=44uF(ceramic), RSENSE=50mohm
VOUT=3.3V
3.7
3.5
3.3
3.1
2.9
2.7
5.4
5.2
5.0
4.8
4.6
4.4
VIN=5.0V
12V
PWM(XC9220)
PFM(XC9221)
PWM(XC9220)
PFM(XC9221)
0.1
1
10
100
1000
10000
0.1
1
10
100
1000
10000
Output Current: IOUT (mA)
Output Current: IOUT (mA)
(3) Output Ripple Voltage vs. Output Current
XC9220/21x095xx
XC9220/21x095xx
Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH
Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH
CIN=10uF(ceramic), CL=44uF(ceramic), RSENSE=50mohm
CIN=10uF(ceramic), CL=44uF(ceramic), RSENSE=50mohm
VOUT=3.3V
VIN=12V => VOUT=5V
100
100
90
80
70
60
50
40
30
20
10
0
PWM(XC9220)
PFM(XC9221)
PWM(XC9220)
PFM(XC9221)
80
60
40
20
0
VIN=5.0V
VIN=12V
0.1
1
10
100
1000
10000
0.1
1
10
100
1000
10000
Output Current: IOUT (mA)
Output Current: IOUT (mA)
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