RT9172 RICHTEK [Richtek Technology Corporation], RT9172 Datasheet - Page 7

• Manufacturer Part Number: RT9172
• Description: 3A FIXED OUTPUT VOLTAGE LDO REGULATOR
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS9172-03 April 2002
-0.1
150
100
-50
4.5
3.5
0.3
0.2
0.1
0.1
50
0
0
1
2 >
2 >
2 >
2 >
1 >
1 >
2 >
2 >
2 >
2 >
1 >
1 >
1↓ 1↓ 1↓ 1↓
≈
≈
0
0
C
C
C
V
Loading = 100mA
IN
OUT
OUT
OUT
10
10
= 10µF Electrolytic
Load Transient Response
Line Transient Response
= 10µF Tantalum
= 2.5V
= 10µF
20
20
30
30
T
T
T
40
40
Time (µS)
Time (µS)
50
50
T
T
T
60
60
70
70
V
IN
80
80
= 3.5V
90 100
90 100
Preliminary
≈
≈
150
100
-0.1
-50
4.5
3.5
0.3
0.2
0.1
0.1
50
0
0
1
2 >
2 >
2 >
2 >
1 >
1 >
1 >
1 >
2 >
2 >
1 >
1 >
≈
2 >
2 >
1 >
1 >
≈
0
0
C
C
C
V
Loading = 100mA
OUT
IN
OUT
OUT
10
10
= 68µF Tantalum
Line Transient Response
Load Transient Response
= 2.5V
= 10µF Tantalum
= 68µF
20
20
30
30
T
T
T
T
T
T
40
40
Time (µS)
Time (µS)
50
50
60
60
www.richtek-ic.com.tw
70
70
RT9172
V
IN
80
80
= 3.5V
90 100
90 100
≈
≈
7