150mA CMOS Low Noise
LDO Voltage Regulator
(Preliminary)
Line Regulation (VOUT = 3.3V)
(VIN = 4.3V to 5V, IOUT = 10mA)
3.6000
3.5000
VOUT (V)
3.4000
3.3000
3.2000
3.1000
3.0000
4.2
4.7
5.2
VIN (V)
5.7
VOUT (V)
3.6000
3.5000
3.4000
3.3000
3.2000
3.1000
3.0000
0
50
100
IOUT (mA)
SE5508
Load Regulation (VOUT = 3.3V)
(VIN = 5V, IOUT = 10mA to 150mA)
150
Output Voltage vs Temperature
(VIN = 3.3V, IOUT = 10mA)
1.600
100
90
1.550
80
70
IQ vs IOUT (VOUT = 1.5V)
(VIN = 3.3V, IOUT = 10mA to 150mA)
Output Voltage(V)
1.500
IQ (uA)
60
50
40
30
20
10
1.450
1.400
20
30
40
50
60
70
80
90
100
110
120
0
0
20
40
60
80
100
120
140
160
Temperature(C )
IOUT (mA)
P S RR (VOUT = 3.3V)
(VIN = 5V, VP P = 1V)
70.0
65.0
60.0
Transient Response (VOUT = 3.3V)
(IOUT = 1mA to 40mA)
P S R R (dB)
55.0
50.0
45.0
40.0
35.0
30.0
100
1000
10000
100000
Frequency (Hz)
C BY = 10uF
C BY =22uF
C BY = 0.1uF
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2005. • www.seawardinc.com.cn • Page 4
SEAWARD [ Seaward Electronics Inc. ]
