XC9502 TOREX SEMICONDUCTOR LTD., XC9502 Datasheet - Page 24

• Manufacturer Part Number: XC9502
• Description: Xc9502 Xc9502 Series 2ch. Step-up / Down Dc/dc Controller Ics.
• Manufacturer: TOREX SEMICONDUCTOR LTD.

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< 2ch Step-Down DC/DC Controller >
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(5) Efficiency vs. Output Current (Continued)
XC9502
100
100
80
60
40
20
80
60
40
20
0
0
0.1
0.1
PWM/PFM Switching Control
PWM Control
FOSC=500kHz, V
FOSC=500kHz, V
L2=10 μ H(CDRH5D28), CL2=94 μ F(Tantalum)
L2=10 μ H(CDRH5D28), CL2=94 μ F(Tantalum)
10V
1
Output Current2 I
1
Output Current2 I
Series
PWM/PFM Switching Control
PWM Control
VIN=4.2V
SD2:CMS02, Tr2:XP162A12A6P
SD2:CMS02, Tr2:XP162A12A6P
10
10
OUT2
OUT2
VIN=2.7V
OUT2
OUT2
5.0V
*When setting V
=1.0V
=3.3V
3.3V
(mA)
(mA)
C
6.0V
100
100
4.2V
L
should be 94μF (Tantalum) + 100μF (OS capacitor)
8.0V
1000
1000
OUT
= 1.0V, V
IN
= 8.0V, 10.0V
100
100
80
60
40
20
80
60
40
20
0
0
0.1
0.1
PWM/PFM Switching Control
PWM Control
FOSC=500kHz, V
FOSC=500kHz, V
L2=10 μ H(CDRH5D28), CL2=94 μ F(Tantalum)
L2=10 μ H(CDRH5D28), CL2=94 μ F(Tantalum)
VIN=5.0V
1
Output Current2 I
1
Output Current2 I
PWM/PFM Switching Control
PWM Control
SD2:CMS02, Tr2:XP162A12A6P
SD2:CMS02, Tr2:XP162A12A6P
10
10
OUT2
VIN=6.0V
OUT2
OUT2
OUT2
6.0V
=1.0V
=3.3V
8.0V
(mA)
(mA)
100
100
8.0V
10V
10V
1000
1000