RT9168/A
Typical Operating Charateristics
Output Voltage vs. Temp.
3.33
3.32
120
105
GND Current vs. Temp.
Output Voltage (V)
3.31
3.30
3.29
3.28
3.27
3.26
3.25
-50
-25
0
25
50
75
GND Current (
µ
A)
90
75
60
45
30
15
V
OUT
= 3.3V
100
125
150
0
-50
-25
0
25
50
75
V
OUT
= 3.3V
100
125
150
°C
Temperature (
°C
)
)
Temperature (
°C
)
°C
)
Dropout Voltage vs. Output Current
300
250
480
Current Limit vs. Temp.
420
85°C
25°C
-40°C
Current Limit (mA)
Dropout Voltage
(mV)
(V)
360
300
240
180
120
60
200
150
100
50
0
0
25
50
75
100
125
V
OUT
= 3.3V
150
175
200
0
-50
-25
0
25
50
75
RT9168
V
OUT
= 3.3V
100
125
150
Output Current (mA)
Temperature (°C
)
(
°C
Current Limit vs. Temp.
900
800
70
60
50
PSRR
Current Limit (mA)
700
600
500
400
300
200
100
-50
-25
0
25
50
75
PSRR (dB)
RT9168A
V
OUT
= 3.3V
100
125
150
40
30
20
10
0
10
10
I
LOAD
= 1mA, C
OUT
= 4.7µF
V
OUT
= 3.3V
100
100
1K
1000
10K
10000
100K
100000
1M
100000
Temperature (
°C
)
)
Frequency (KHz)
DS9168/A-03 May 2001
www.richtek-ic.com.tw
5
ETC [ ETC ]
