RT9185 RICHTEK [Richtek Technology Corporation], RT9185 Datasheet - Page 6

• Manufacturer Part Number: RT9185
• Description: Triple, Ultra-Fast CMOS LDO Regulator
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9185
www.richtek.com
6
100
-50
400
100
200
-10
5.5
4.5
-50
50
20
10
50
0
1
0
0
0
0
≈
≈
≈
V
C
V
V
C
V
C
DD
1
DD
OUT2
DD
1
1
= 2.2uF, C
= 2.2uF, C
= 2.2uF, C
= 5V, V
= 4.5V to 5.5V
= 5V, V
= 2.55V
Load Transient Response
Load Transient Response
Line Transient Response
OUT1
OUT3
2
3
4
= 4.7uF
= 4.7uF
= 1uF
Time (500μs/Div)
Time (100μs/Div)
Time (500μs/Div)
= 3.35V
= 1.5V
T
I
OUT1
A
= 25°C
T
T
= 400mA
A
A
= 25°C
= 25°C
≈
≈
≈
100
-50
-10
5.5
4.5
5.5
4.5
50
10
20
10
-5
0
1
0
5
0
0
≈
≈
≈
V
C
V
V
C
V
V
C
DD
1
DD
OUT1
DD
OUT1
1
1
= 2.2uF, C
= 2.2uF, C
= 2.2uF, C
= 5V, V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 3.35V
= 1.5V
Load Transient Response
Line Transient Response
Line Transient Response
OUT2
3
2
2
= 4.7uF
= 4.7uF
= 4.7uF
Time (500μs/Div)
Time (100μs/Div)
Time (100μs/Div)
= 2.55V
DS9185-11 March 2007
T
I
T
I
OUT1
OUT1
A
A
= 25°C
= 25°C
T
= 500mA
= 150mA
A
= 25°C
≈
≈
≈