Preliminary
RT9172
Load Transient Response
0.3 CIN = 10µF Electrolytic
0.2 COUT = 10µF Tantalum
VIN = 3.5V
0.1
TT
02 >
-0.1
≈
≈
1
0.11 >
T
0 10 20 30 40 50 60 70 80 90 100
Time (µS)
Line Transient Response
150
COUT = 10µF
100 VOUT = 2.5V
50 Loading = 100mA
TT
02 >
≈ -50
≈
4.5
T
3.5
1↓
0 10 20 30 40 50 60 70 80 90 100
Time (µS)
Load Transient Response
0.3 CIN = 68µF Tantalum
0.2 COUT = 10µF Tantalum
VIN = 3.5V
0.1
02 >
TT
-0.1
≈
≈
1
T
0.11 >
0 10 20 30 40 50 60 70 80 90 100
Time (µS)
Line Transient Response
150
COUT = 68µF
100 VOUT = 2.5V
50 Loading = 10T0TmA
02 >
≈ -50
≈
4.5
T
1>
3.5
0 10 20 30 40 50 60 70 80 90 100
Time (µS)
DS9172-03 April 2002
www.richtek-ic.com.tw
7