05S_1XC9201/9202新規 02.09.12 15:16 ページ 554
XC9201Series
(3) RIPPLE VOLTAGE vs. OUTPUT CURRENT
VOUT 1.5V, FOSC : 330kHz
VOUT 3.3V, FOSC : 330kHz
L=22µH, CL=40µF (Ceramic), CIN=30µF (Ceramic)��
RSEN=50mΩ, CDD=1µF (Ceramic), SD:U3FWJ44N��
CGAIN=470pF (Ceramic), Tr:XP162A11C0PR
100
L=22µH, CL=40µF (Ceramic), CIN=30µF (Ceramic)��
RSEN=50mΩ, CDD=1µF (Ceramic), CD:U3FWJ44N��
CGAIN=470pF (Ceramic), Tr:XP162A11C0PR
100
80
60
40
20
VIN=3.3V�
5.0V�
10.0V
80
7.2V
12.0V
8.0V
60
40
20
0
6.0V
VIN=4.0V
0
0.1
1
10
100
1000 10000
0.1
1
10
100
1000 10000
Output Current : IOUT (mA)
Output Current : IOUT (mA)
VOUT 5.0V, FOSC : 330kHz
VOUT 12.0V, FOSC : 100kHz
5
L=22µH, CL=40µF (Ceramic), CIN=30µF (Ceramic)��
RSEN=50mΩ, CDD=1µF (Ceramic), SD:U3FWJ44N��
CGAIN=470pF (Ceramic), Tr:XP162A11C0PR
L=68µH, CL=40µF (Ceramic), CIN=30µF (Ceramic)��
RSEN=50mΩ, CDD=10µF (Ceramic), SD:U3FWJ44N��
CGAIN=470pF (Ceramic), Tr:XP132A11C0PR
100
80
60
40
20
100
80
60
40
20
VIN=18.0V
15.0V
12.0V
10.0V
VIN=8.0V
0
0
0.1
1
10
100
1000 10000
0.1
1
10
100
1000 10000
Output Current : IOUT (mA)
Output Current : IOUT (mA)
VOUT 1.5V, FOSC : 330kHz
VOUT 3.3V, FOSC : 330kHz
L=22µH, CL=47µF (Tantalum), CIN=47µF (Tantalum)��
RSEN=50mΩ, CDD=1µF (Ceramic), SD:U3FWJ44N��
CGAIN=470pF (Ceramic), Tr:XP162A11C0PR
L=22µH, CL=47µF (Tantalum), CIN=47µF (Tantalum)��
RSEN=50mΩ, CDD=1µF (Ceramic), SD:U3FWJ44N��
CGAIN=470pF (Ceramic), Tr:XP162A11C0PR
100
80
60
40
20
100
80
60
40
20
12.0V
10.0V
8.0V
7.2V
6.0V
5.0V
VIN=4.0V
VIN=3.3V
0
0
0.1
1
10
100
1000 10000
0.1
1
10
100
1000 10000
Output Current : IOUT (mA)
Output Current : IOUT (mA)
*Note: If the input and output voltage differential is large or small, the time of ON and Off switching will be shorten.
This gives external components such as inductance value of coil, connecting a resistor to CLK, condenser, will critically influence the
actual operation.
554