RT9170 RICHTEK [Richtek Technology Corporation], RT9170 Datasheet - Page 6

• Manufacturer Part Number: RT9170
• Description: 300mA, 15?A Quiescent Current CMOS LDO Regulator
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9170
www.richtek.com
6
-0.0005
-0.0015
-0.0025
-0.0035
-0.0045
-0.001
-0.002
-0.003
-0.004
-10
-20
-30
-40
-50
-60
-70
Load Regulation Deviation vs. Temperature
0
0
6
4
2
0
2
0
-35
10
V
V
C
V
V
V
C
C
I
IN
OUT
OUT
OUT
LOAD
IN
OUT
IN
OUT
= 3.5V
-15
= 5V
= 1uF (Ceramic)
= 2.5V
= 1uF (Ceramic)
= 2.5V
= 3.3V
= 1uF (Ceramic)
= 300mA
100
I
LOAD
5
Enable Respone
= 10mA
Time (25ms/DIV)
Temperature
25
Frequency (Hz)
1K
PSRR
45
I
10K
LOAD
65
(
°
= 250mA
C)
85
100K
105
1M
125
1.60
1.40
1.20
1.00
0.80
0.60
3.0
2.5
2.0
1.5
1.0
0.5
3
2
1
0
2
1
0
-50
0
V
V
R
IN
OUT
L
C
C
V
R
= 1Ω
IN
OUT
IN
L
= 5V
Current Limit vs. Temperature
= 1Ω
= 5V
= 10uF (Ceramic) X5R
= 3.3V
-25
= 10uF (Ceramic) X5R
0
Enable Respone
Current Limit
Temperature
Time (5ms/Div)
Time (5ms/Div)
25
DS9170-11 March 2007
50
V
V
C
C
I
LOAD
IN
OUT
IN
OUT
(
°
= 5V
= 1uF(Ceramic)
C)
75
= 3.3V
= 300mA
= 1uF(Ceramic)
100
125