RT9181-18PB RICHTEK [Richtek Technology Corporation], RT9181-18PB Datasheet - Page 6

• Manufacturer Part Number: RT9181-18PB
• Description: 150mA LDO Regulator with PGOOD
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9181
www.richtek.com
6
3.00
2.50
2.00
1.50
1.00
0.50
0.00
100
200
100
-50
-20
5.5
4.5
40
20
50
0
0
0
3.0
≈
≈
PGOOD Delay Time vs. Supply Voltage
3.5
Load Transient Response
Line Transient Response
4.0
Supply Voltage (V)
Time (1ms/Div)
Time (1ms/Div)
4.5
5.0
V
C
I
V
C
I
O
O
IN
IN
IN
OUT
= 5 to 150mA
= 10mA
= 5V
= C
= 4.5 to 5.5V
RT9181-18
RT9181-18
= 1uF
OUT
5.5
= 1uF
6.0
≈
≈
3.0
2.5
2.0
1.5
1.0
0.5
0.0
5.5
4.5
1.5
0.5
-2
4
2
0
4
2
0
1
0
-20
≈
≈
PGOOD Delay Time vs. Temperature
UVLO Response at Power Up
Line Transient Response
0
Temperature (°C)
Time (1ms/Div)
Time (5ms/Div)
20
DS9181-14 March 2007
40
V
C
I
O
IN
OUT
= 150mA
= 4.5 to 5.5V
C
RT9181-18
= 1uF
60
OUT
V
IN
= 1uF
= 5V
80
≈
≈