03S_03XC6203 02.9.12 2:54 PM ページ 249
XC6203
Series
(7) INPUT TRANSIENT RESPONSE
XC6203E182PR(1.8V)�
IOUT=200mA�
CIN,CL=1µF(tantalum), Topr=25°C
5�
4�
3�
2�
1�
0�
2.6�
2.4�
2.2�
2�
Input Voltage
Output Voltage
1.8�
1.5�
1.4
-1
Time(40µsec/div)�
3
(8) LOAD TRANSIENT RESPONSE
XC6203E182PR(1.8V)�
XC6203E182PR(1.8V)�
ꢀꢀꢀ�
VIN=2.8V,CIN=CL=1µF(tantalum)
ꢀꢀꢀ�
VIN=2.8V,CIN=CL=1µF(tantalum)
�
�
3�
2�
1�
0�
-1�
-2
200�
160�
120�
80�
40�
0
3�
1000�
2�
1�
0�
-1�
-2
800�
600�
400�
200�
0
Output Voltage
Output Current
Output Voltage
Output Current
200mA
1mA
40mA
1mA
Time(1msec/div)�
Time(1msec/div)�
(9) RIPPLE REJECTION RATE
XC6203E182PR(1.8V)�
XC6203E182PR(1.8V)�
VIN=2.8VDC+1Vp-pAC
IOUT=40mA, CL=1µF(tantalum)
VIN=2.8VDC+1Vp-pAC
IOUT=100mA, CL=1µF(tantalum)
�
�
60�
50�
40�
30�
20�
10�
0
60�
50�
40�
30�
20�
10�
0
0.01
0.1
1
10
0.01
0.1
1
10
Ripple Frequency:f (kHz)
Ripple Frequency:f (kHz)
249