RT9169
Typical Operating Charateristics
Temperature Stability
Preliminary
3.7
Quiescient Current
5
3.3
V
OUT
= 3.3V
4
Output Voltage (V)
2.5
I (
µ
A)
2.9
3
2
2.1
1
V
OUT
= 1.8V
1.7
-50
-25
0
25
50
75
100
125
0
-30
0
30
60
V
IN
= 5V
90
120
Temperature (
°
C)
Temperature (
°
C)
0.8
0.7
Dropout Voltage (V
IN
-V
OUT
)
125°C
Short Circuit Current (mA)
Short Circuit Current
500
Dropout Voltage (V)
0.6
0.5
0.4
0.3
0.2
0.1
0
0
20
40
60
400
25°C
125°C
300
25°C
200
100
V
OUT
= 3.3V
80
100
0
0
1
2
3
4
5
I
LOAD
(mA)
Input/Output Differential (V)
PSRR
C
IN
= 1µF
C
OUT
= 1µF Electrolytic Capacitor
-10
V
IN
= 5V
V
OUT
= 1.8V
-20
T
A
= 25°C
PSRR (dB)
-30
-40
-50
-60
-70
0
50mA
PSRR (dB)
C
IN
= 1µF
-10
C
OUT
= 1µF Electrolytic Capacitor
V
IN
= 5V
V
OUT
= 3.3V
-20
T
A
= 25°C
-30
-40
-50
-60
-70
0
PSRR
50mA
10mA
10mA
10
100
Frequency (Hz)
1K
10K
100K
1M
10
100
Frequency (Hz)
1K
10K
100K
1M
www.richtek-ic.com.tw
DS9169-02 October 2001
6
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
