2ch. Step-down DC/DC Controller ICs
XC9503 Series
(2) Efficiency vs. Output Current (continued)
FOSC=500kHz, VOUT1, 2=1.0V
FOSC=500kHz, VOUT1, 2=1.0V
L=10µH(CDRH5D28), CL=94µF(Tantalum)
L=10µH(CDRH5D28), CL=94µF(Tantalum)
SD:CMS02, Tr:XP162A12A6P
SD:CMS02, Tr:XP162A12A6P
100
100
PWM/PFM Switching Control
PWM Control
PWM/PFM Switching Control
PWM Control
80
60
80
VIN=5.0V
60
4.2V
10V
40
40
20
8.0V
3.3V
6.0V
20
VIN=2.7V
0
0
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current1, 2 IOUT1, 2 (mA)
Output Current1, 2 IOUT1, 2 (mA)
FOSC=500kHz, VOUT1, 2=3.3V
FOSC=500kHz, VOUT1, 2=3.3V
L=10µH(CDRH5D28), CL=94µF(Tantalum)
L=10µH(CDRH5D28), CL=94µF(Tantalum)
SD:CMS02, Tr:XP162A12A6P
SD:CMS02, Tr:XP162A12A6P
100
80
60
40
20
0
100
80
60
40
20
0
PWM/PFM Switching Control
PWM Control
PWM/PFM Switching Control
PWM Control
10.0V
8.0V
10.0V
6.0V
5.0V
VIN=4.2V
8.0V
VIN=6.0V
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current1, 2 IOUT1, 2 (mA)
Output Current1, 2 IOUT1, 2 (mA)
* When setting VOUT1, 2 =1.0V, VIN=8.0V, 10.0V,
CL should be 94µF (Tantalum) + 100µF (OS-COM)
18
TOREX [ Torex Semiconductor ]
